context
stringlengths
545
71.9k
questionsrc
stringlengths
16
10.2k
question
stringlengths
11
563
because sometimes life is n't ideal by now you 've probably heard a lot about the ideal gas law , and you may have a sense of how to use the ideal gas equation to look at the relationships between pressure ( $ p $ ) , volume ( $ v $ ) , moles of gas ( $ n $ ) , and temperature ( $ t $ ) . but when do gases follow the i...
the vdw equation basically incorporates the effect of gas molecule volume and intermolecular forces into the ideal gas equation . $ [ p+\dfrac { an^ { 2 } } { v^ { 2 } } ] [ v-nb ] =nrt $ where : $ p= $ measured pressure $ v= $ volume of container $ n= $ moles of gas $ r= $ gas constant $ t= $ temperature ( in kelvin )...
should n't the term ( an^2/v^2 ) be subtracted from p as the intermolecular attraction decreases pressure ?
because sometimes life is n't ideal by now you 've probably heard a lot about the ideal gas law , and you may have a sense of how to use the ideal gas equation to look at the relationships between pressure ( $ p $ ) , volume ( $ v $ ) , moles of gas ( $ n $ ) , and temperature ( $ t $ ) . but when do gases follow the i...
when we use the ideal gas law , we make a couple assumptions : $ 1.~ $ we can ignore the volume taken up by the imaginary ideal gas molecules $ 2.~ $ the gas molecules do not attract or repel each other however , we know that in real life , gases are made up of atoms and molecules that actually take up some finite volu...
under the heading 'compressibility : a measure of ideal behavior ' , it talks about measuring the molar volume of both real and ideal gasses and then taking the ratio of the two ( meaning divide the two numbers ) right ?
because sometimes life is n't ideal by now you 've probably heard a lot about the ideal gas law , and you may have a sense of how to use the ideal gas equation to look at the relationships between pressure ( $ p $ ) , volume ( $ v $ ) , moles of gas ( $ n $ ) , and temperature ( $ t $ ) . but when do gases follow the i...
we can also calculate the molar volume of the ideal gas at the same temperature and pressure , and then take the ratio of the two volumes . $ z=\dfrac { \dfrac { v } n } { \dfrac { rt } p } =\dfrac { pv } { nrt } $ this ratio is called the compressibility or compression factor , $ z $ . for a gas with ideal behavior , ...
so why is the formula z=pv/nrt ?
because sometimes life is n't ideal by now you 've probably heard a lot about the ideal gas law , and you may have a sense of how to use the ideal gas equation to look at the relationships between pressure ( $ p $ ) , volume ( $ v $ ) , moles of gas ( $ n $ ) , and temperature ( $ t $ ) . but when do gases follow the i...
when we use the ideal gas law , we make a couple assumptions : $ 1.~ $ we can ignore the volume taken up by the imaginary ideal gas molecules $ 2.~ $ the gas molecules do not attract or repel each other however , we know that in real life , gases are made up of atoms and molecules that actually take up some finite volu...
are we saying that the molar volume of an ideal gas does not increase with increasing pressure ( with temp constant ) ?
because sometimes life is n't ideal by now you 've probably heard a lot about the ideal gas law , and you may have a sense of how to use the ideal gas equation to look at the relationships between pressure ( $ p $ ) , volume ( $ v $ ) , moles of gas ( $ n $ ) , and temperature ( $ t $ ) . but when do gases follow the i...
when we use the ideal gas law , we make a couple assumptions : $ 1.~ $ we can ignore the volume taken up by the imaginary ideal gas molecules $ 2.~ $ the gas molecules do not attract or repel each other however , we know that in real life , gases are made up of atoms and molecules that actually take up some finite volu...
if a gas is compressed to a smaller volume at constant temperature does it approaches ideal behavior or deviate from ideal behavior ?
because sometimes life is n't ideal by now you 've probably heard a lot about the ideal gas law , and you may have a sense of how to use the ideal gas equation to look at the relationships between pressure ( $ p $ ) , volume ( $ v $ ) , moles of gas ( $ n $ ) , and temperature ( $ t $ ) . but when do gases follow the i...
in other situations such as high pressures and/or low temperatures , the ideal gas law might give answers that are different from what we observe experimentally . in these cases , you can use the van der waals ( or a similar ) equation to take into account the fact that gases do not always behave as ideal gases .
is there any evidence that show gases do not behave ideally under all conditions ?
because sometimes life is n't ideal by now you 've probably heard a lot about the ideal gas law , and you may have a sense of how to use the ideal gas equation to look at the relationships between pressure ( $ p $ ) , volume ( $ v $ ) , moles of gas ( $ n $ ) , and temperature ( $ t $ ) . but when do gases follow the i...
the vdw equation basically incorporates the effect of gas molecule volume and intermolecular forces into the ideal gas equation . $ [ p+\dfrac { an^ { 2 } } { v^ { 2 } } ] [ v-nb ] =nrt $ where : $ p= $ measured pressure $ v= $ volume of container $ n= $ moles of gas $ r= $ gas constant $ t= $ temperature ( in kelvin )...
in the pv/nrt vs pressure graphs , do the lines become straight lines later on ?
because sometimes life is n't ideal by now you 've probably heard a lot about the ideal gas law , and you may have a sense of how to use the ideal gas equation to look at the relationships between pressure ( $ p $ ) , volume ( $ v $ ) , moles of gas ( $ n $ ) , and temperature ( $ t $ ) . but when do gases follow the i...
the error in molar volume gets worse the more compressed the gas becomes , which is why the difference between $ z $ for the real and ideal gas increases with pressure . low temperatures and intermolecular forces to examine the effect of intermolecular forces , let ’ s look at the compressibility of a single kind of ga...
wo n't intermolecular forces result in repulsion ?
because sometimes life is n't ideal by now you 've probably heard a lot about the ideal gas law , and you may have a sense of how to use the ideal gas equation to look at the relationships between pressure ( $ p $ ) , volume ( $ v $ ) , moles of gas ( $ n $ ) , and temperature ( $ t $ ) . but when do gases follow the i...
because sometimes life is n't ideal by now you 've probably heard a lot about the ideal gas law , and you may have a sense of how to use the ideal gas equation to look at the relationships between pressure ( $ p $ ) , volume ( $ v $ ) , moles of gas ( $ n $ ) , and temperature ( $ t $ ) . but when do gases follow the i...
under compressibility : a measure of ideal behavior , how do we get the equation ( v/n ) / ( rt/p ) ?
because sometimes life is n't ideal by now you 've probably heard a lot about the ideal gas law , and you may have a sense of how to use the ideal gas equation to look at the relationships between pressure ( $ p $ ) , volume ( $ v $ ) , moles of gas ( $ n $ ) , and temperature ( $ t $ ) . but when do gases follow the i...
$ z=\dfrac { \dfrac { v } n } { \dfrac { rt } p } =\dfrac { pv } { nrt } $ this ratio is called the compressibility or compression factor , $ z $ . for a gas with ideal behavior , $ v_m $ of the gas is the same as $ v_m $ of an ideal gas so $ z=1 $ . it turns out that this is reasonably accurate for real gases under sp...
can a maxwell-boltzman distribution graph still be used to describe a non-ideal gas ?
because sometimes life is n't ideal by now you 've probably heard a lot about the ideal gas law , and you may have a sense of how to use the ideal gas equation to look at the relationships between pressure ( $ p $ ) , volume ( $ v $ ) , moles of gas ( $ n $ ) , and temperature ( $ t $ ) . but when do gases follow the i...
what if we want to study a gas that behaves in a “ non-ideal ” way ? when we use the ideal gas law , we make a couple assumptions : $ 1.~ $ we can ignore the volume taken up by the imaginary ideal gas molecules $ 2.~ $ the gas molecules do not attract or repel each other however , we know that in real life , gases are ...
co o2 he no ar n2 if i where to rate these molecules and atoms from the smallest to the largest value of b , can i relate it to the radius of the atoms just by looking at the periodic table since b describes the volume of the molecule or atom ?
because sometimes life is n't ideal by now you 've probably heard a lot about the ideal gas law , and you may have a sense of how to use the ideal gas equation to look at the relationships between pressure ( $ p $ ) , volume ( $ v $ ) , moles of gas ( $ n $ ) , and temperature ( $ t $ ) . but when do gases follow the i...
also , for all the real gases $ z $ is sometimes less than $ 1 $ at very low pressures , which tells us that the molar volume is less than that of an ideal gas . as you increase the pressure past a certain point that depends on the gas , $ z $ gets increasingly larger than $ 1 $ . that is , at high pressures the $ v_m ...
how is compressibilty factor and boyle point related ?
because sometimes life is n't ideal by now you 've probably heard a lot about the ideal gas law , and you may have a sense of how to use the ideal gas equation to look at the relationships between pressure ( $ p $ ) , volume ( $ v $ ) , moles of gas ( $ n $ ) , and temperature ( $ t $ ) . but when do gases follow the i...
$ z=\dfrac { \dfrac { v } n } { \dfrac { rt } p } =\dfrac { pv } { nrt } $ this ratio is called the compressibility or compression factor , $ z $ . for a gas with ideal behavior , $ v_m $ of the gas is the same as $ v_m $ of an ideal gas so $ z=1 $ . it turns out that this is reasonably accurate for real gases under sp...
i get that ideal gas pressure is greater than real gas pressure but why when we want to turn an ideal gas into real gas we increase the pressure ?
because sometimes life is n't ideal by now you 've probably heard a lot about the ideal gas law , and you may have a sense of how to use the ideal gas equation to look at the relationships between pressure ( $ p $ ) , volume ( $ v $ ) , moles of gas ( $ n $ ) , and temperature ( $ t $ ) . but when do gases follow the i...
the effect of intermolecular forces is much more prominent at low temperatures because the molecules have less kinetic energy to overcome the intermolecular attractions . the van der waals equation we can use a number of different equations to model the behavior of real gases , but one of the simplest is the van der wa...
does the van de waals equation completely exact ?
because sometimes life is n't ideal by now you 've probably heard a lot about the ideal gas law , and you may have a sense of how to use the ideal gas equation to look at the relationships between pressure ( $ p $ ) , volume ( $ v $ ) , moles of gas ( $ n $ ) , and temperature ( $ t $ ) . but when do gases follow the i...
because sometimes life is n't ideal by now you 've probably heard a lot about the ideal gas law , and you may have a sense of how to use the ideal gas equation to look at the relationships between pressure ( $ p $ ) , volume ( $ v $ ) , moles of gas ( $ n $ ) , and temperature ( $ t $ ) . but when do gases follow the i...
if this is the non-ideal behavior of gases , then what is the ideal behavior of gases ?
have you ever wondered how your recovery time for the common cold , the flu , or small infections seems to get shorter after you ’ ve been exposed and successfully recovered the first time ? the adaptive immune system , also called acquired immunity , uses specific antigens to strategically mount an immune response . u...
in order to make sure t cells will perform properly once they have matured and have been released from the thymus , they undergo two selection processes : positive selection ensures mhc restriction by testing the ability of mhci and mhcii to distinguish between self and nonself proteins . in order to pass the positive ...
how is this possible when t cells undergo positive selection for self mhc ?
have you ever wondered how your recovery time for the common cold , the flu , or small infections seems to get shorter after you ’ ve been exposed and successfully recovered the first time ? the adaptive immune system , also called acquired immunity , uses specific antigens to strategically mount an immune response . u...
after the antigen is internalized and processed , the b cell can initiate signaling pathways , such as cytokine release , 7 to communicate with other cells of the immune system . for more information on cell signalling , check out this article on cell-to-cell communication . t cells once formed in the bone marrow , t p...
what is the frequency of a naive cd8+ t cell in the blood ?
have you ever wondered how your recovery time for the common cold , the flu , or small infections seems to get shorter after you ’ ve been exposed and successfully recovered the first time ? the adaptive immune system , also called acquired immunity , uses specific antigens to strategically mount an immune response . u...
cells of the adaptive immune system unlike the innate immune system , the adaptive immune system relies on fewer types of cells to carry out its tasks : b cells and t cells . both b cells and t cells are lymphocytes that are derived from specific types of stem cells , called multipotent hematopoietic stem cells , in th...
in this section , you only mentioned about clonal selection of the t cells but not b cells , should n't b cells have a similar clonal selection in the bone marrow too ?
have you ever wondered how your recovery time for the common cold , the flu , or small infections seems to get shorter after you ’ ve been exposed and successfully recovered the first time ? the adaptive immune system , also called acquired immunity , uses specific antigens to strategically mount an immune response . u...
after positive and negative selection , we are left with three types of mature t cells : helper t cells ( t $ \text { } _ { h } $ cells ) , cytotoxic t cells ( t $ \text { } _ { c } $ cells ) , and t regulatory cells ( t $ \text { } _ { reg } $ cells ) . helper t cells express cd4 , and help with the activation of t $ ...
why do t cells have to undergo rearrangement ?
have you ever wondered how your recovery time for the common cold , the flu , or small infections seems to get shorter after you ’ ve been exposed and successfully recovered the first time ? the adaptive immune system , also called acquired immunity , uses specific antigens to strategically mount an immune response . u...
after the antigen is internalized and processed , the b cell can initiate signaling pathways , such as cytokine release , 7 to communicate with other cells of the immune system . for more information on cell signalling , check out this article on cell-to-cell communication . t cells once formed in the bone marrow , t p...
where is the article on cell-to-cell communication ?
the banquet is over , the dining equipment is stowed , and the warriors sleep on in this etruscan dining room , yet the evocative signs of a lively scene draw the viewer into the ancient world . these evocations of an etruscan banquet—from the cushions to the drinking equipment to the armor hung on pegs on the walls—ar...
this central niche , equipped with footstool , may have been intended for the male and female heads of the family . the matunas family is identified as the owner by way of an inscribed cippus ( a small pillar ) . the inscription reads “ vel metunas , ( son ) of laris , who this tomb built. ” a locked strongbox included...
what is the best way to cite this page as an mla source ?
the banquet is over , the dining equipment is stowed , and the warriors sleep on in this etruscan dining room , yet the evocative signs of a lively scene draw the viewer into the ancient world . these evocations of an etruscan banquet—from the cushions to the drinking equipment to the armor hung on pegs on the walls—ar...
the banquet is over , the dining equipment is stowed , and the warriors sleep on in this etruscan dining room , yet the evocative signs of a lively scene draw the viewer into the ancient world . these evocations of an etruscan banquet—from the cushions to the drinking equipment to the armor hung on pegs on the walls—ar...
what are the dimensions of this space ?
every day we are alive , humans encounter potentially harmful disease causing organisms , or “ pathogens ” , like bacteria or viruses . yet most of us are still able to function properly and live life without constantly being sick . that ’ s because the human body requires a multilayered immune system to keep it runnin...
in this article , we ’ ll discuss the first line of defense : the innate immune system . self vs. non-self : how does the body know ? in order to be effective , the immune system needs to be able to identify which particles are foreign , and which are a part of your body .
how does the body know not to attack the bacteria that are not made from the body but are still supposed to be there ?
every day we are alive , humans encounter potentially harmful disease causing organisms , or “ pathogens ” , like bacteria or viruses . yet most of us are still able to function properly and live life without constantly being sick . that ’ s because the human body requires a multilayered immune system to keep it runnin...
the following cells are leukocytes of the innate immune system : phagocytes , or phagocytic cells : phagocyte means “ eating cell ” , which describes what role phagocytes play in the immune response . phagocytes circulate throughout the body , looking for potential threats , like bacteria and viruses , to engulf and de...
especially when some bacteria are natural in one part of the body and pathogenic in another ?
every day we are alive , humans encounter potentially harmful disease causing organisms , or “ pathogens ” , like bacteria or viruses . yet most of us are still able to function properly and live life without constantly being sick . that ’ s because the human body requires a multilayered immune system to keep it runnin...
the cytokines released during this process act as a messenger service , alerting other immune cells , like neutrophils and macrophages , to make their way to the area of infection , or to be on alert for circulating threats . neutrophils : neutrophils are phagocytic cells that are also classified as granulocytes becaus...
just want to clarify since it does n't say it explicitly , i know that mast cells have granules , so are they also categorized under granulocytes the same way neutrophils , eosinphils , and basophils are ?
every day we are alive , humans encounter potentially harmful disease causing organisms , or “ pathogens ” , like bacteria or viruses . yet most of us are still able to function properly and live life without constantly being sick . that ’ s because the human body requires a multilayered immune system to keep it runnin...
infected host cells release chemokines in order to initiate an immune response , and to warn neighboring cells of the threat . innate immune system the innate immune system is made of defenses against infection that can be activated immediately once a pathogen attacks . the innate immune system is essentially made up o...
so is the innate immune system responsible for allergic reactions ?
every day we are alive , humans encounter potentially harmful disease causing organisms , or “ pathogens ” , like bacteria or viruses . yet most of us are still able to function properly and live life without constantly being sick . that ’ s because the human body requires a multilayered immune system to keep it runnin...
the innate immune system is essentially made up of barriers that aim to keep viruses , bacteria , parasites , and other foreign particles out of your body or limit their ability to spread and move throughout the body . the innate immune system includes : physical barriers - such as skin , the gastrointestinal tract , t...
why in git and urogenital tract especial ?
every day we are alive , humans encounter potentially harmful disease causing organisms , or “ pathogens ” , like bacteria or viruses . yet most of us are still able to function properly and live life without constantly being sick . that ’ s because the human body requires a multilayered immune system to keep it runnin...
basophils : basophils are also granulocytes that attack multicellular parasites . basophils release histamine , much like mast cells . the use of histamine makes basophils and mast cells key players in mounting an allergic response . natural killer cells : natural killer cells ( nk cells ) , do not attack pathogens dir...
are different cells ( macrophages , mast cells , neutrophils , eosinophils , basophils , natural killers , dendritic cells ) found inside phagocytes ?
every day we are alive , humans encounter potentially harmful disease causing organisms , or “ pathogens ” , like bacteria or viruses . yet most of us are still able to function properly and live life without constantly being sick . that ’ s because the human body requires a multilayered immune system to keep it runnin...
in order to patrol the entire body , leukocytes travel by way of the circulatory system . the following cells are leukocytes of the innate immune system : phagocytes , or phagocytic cells : phagocyte means “ eating cell ” , which describes what role phagocytes play in the immune response . phagocytes circulate througho...
the phagocytes eat the foreign body and then inside , the other cells kill the invader ?
every day we are alive , humans encounter potentially harmful disease causing organisms , or “ pathogens ” , like bacteria or viruses . yet most of us are still able to function properly and live life without constantly being sick . that ’ s because the human body requires a multilayered immune system to keep it runnin...
when mast cells are activated , they release cytokines and granules that contain chemical molecules to create an inflammatory cascade . mediators , such as histamine , cause blood vessels to dilate , increasing blood flow and cell trafficking to the area of infection . the cytokines released during this process act as ...
i understand that histamine could cause vasodilatation , but i wonder if vasodilation induce inches ?
overview manifest destiny was the idea that white americans were divinely ordained to settle the entire continent of north america . the ideology of manifest destiny inspired a variety of measures designed to remove or destroy the native population . us president james k. polk ( 1845-1849 ) is the leader most associate...
overview manifest destiny was the idea that white americans were divinely ordained to settle the entire continent of north america . the ideology of manifest destiny inspired a variety of measures designed to remove or destroy the native population .
is that an allusion to something famous ?
overview manifest destiny was the idea that white americans were divinely ordained to settle the entire continent of north america . the ideology of manifest destiny inspired a variety of measures designed to remove or destroy the native population . us president james k. polk ( 1845-1849 ) is the leader most associate...
the precarious balance of power in congress between the slaveholding south and the abolitionist north led to a series of compromises . the wilmot proviso , for instance , was an amendment asserting that the mexican-american war had not been fought for the purpose of expanding slavery , and stipulated that slavery would...
why was slaveholding not allowed in the conquered mexico territories ?
overview manifest destiny was the idea that white americans were divinely ordained to settle the entire continent of north america . the ideology of manifest destiny inspired a variety of measures designed to remove or destroy the native population . us president james k. polk ( 1845-1849 ) is the leader most associate...
the ideology that became known as “ manifest destiny ” included a belief in the inherent superiority of white european-americans , as well as the conviction that whites were destined by god to conquer the territories of north america , from sea to shining sea . manifest destiny justified extreme measures to clear the n...
how did native americans respond to manifest destiny ?
overview manifest destiny was the idea that white americans were divinely ordained to settle the entire continent of north america . the ideology of manifest destiny inspired a variety of measures designed to remove or destroy the native population . us president james k. polk ( 1845-1849 ) is the leader most associate...
the ideology of manifest destiny inspired a variety of measures designed to remove or destroy the native population . us president james k. polk ( 1845-1849 ) is the leader most associated with manifest destiny . manifest destiny inflamed sectional tensions over slavery , which ultimately led to the civil war . from se...
what specific connection does manifest destiny had with mexican- american war and the oregon treaty ?
overview manifest destiny was the idea that white americans were divinely ordained to settle the entire continent of north america . the ideology of manifest destiny inspired a variety of measures designed to remove or destroy the native population . us president james k. polk ( 1845-1849 ) is the leader most associate...
us president james k. polk ( 1845-1849 ) is the leader most associated with manifest destiny . manifest destiny inflamed sectional tensions over slavery , which ultimately led to the civil war . from sea to shining sea in 1845 , newspaper editor john o ’ sullivan coined the term “ manifest destiny ” to describe the ide...
what economic reason led the americans to extend their borders ?
what to know before taking ap calculus in some sense , the prerequisite for ap calculus is to have an overall comfort with algebra , geometry , and trigonometry . after all , each new topic in math builds on previous topics , which is why mastery at each stage is so important . however , for those of you who have taken...
algebra ) or if it 's hard because of the new material ( i.e . the calculus itself ) . just make sure you are always willing to ask yourself `` do i have a strong feel for the concepts in this problem ? ''
or is math analysis essentially pre-calculus ?
what to know before taking ap calculus in some sense , the prerequisite for ap calculus is to have an overall comfort with algebra , geometry , and trigonometry . after all , each new topic in math builds on previous topics , which is why mastery at each stage is so important . however , for those of you who have taken...
what to know before taking ap calculus in some sense , the prerequisite for ap calculus is to have an overall comfort with algebra , geometry , and trigonometry . after all , each new topic in math builds on previous topics , which is why mastery at each stage is so important .
and what is the difference between ap caluclus ab and ap calculus bc ?
what to know before taking ap calculus in some sense , the prerequisite for ap calculus is to have an overall comfort with algebra , geometry , and trigonometry . after all , each new topic in math builds on previous topics , which is why mastery at each stage is so important . however , for those of you who have taken...
what to know before taking ap calculus in some sense , the prerequisite for ap calculus is to have an overall comfort with algebra , geometry , and trigonometry . after all , each new topic in math builds on previous topics , which is why mastery at each stage is so important .
how do i bookmark a page ... on a smartphone ?
what to know before taking ap calculus in some sense , the prerequisite for ap calculus is to have an overall comfort with algebra , geometry , and trigonometry . after all , each new topic in math builds on previous topics , which is why mastery at each stage is so important . however , for those of you who have taken...
what to know before taking ap calculus in some sense , the prerequisite for ap calculus is to have an overall comfort with algebra , geometry , and trigonometry . after all , each new topic in math builds on previous topics , which is why mastery at each stage is so important .
what is the main difference between ap calculus ab and ap calculus bc ?
what to know before taking ap calculus in some sense , the prerequisite for ap calculus is to have an overall comfort with algebra , geometry , and trigonometry . after all , each new topic in math builds on previous topics , which is why mastery at each stage is so important . however , for those of you who have taken...
what to know before taking ap calculus in some sense , the prerequisite for ap calculus is to have an overall comfort with algebra , geometry , and trigonometry . after all , each new topic in math builds on previous topics , which is why mastery at each stage is so important .
what are the main differences between honors pre-calculus and ap calculus , aside from ap calculus being a collage class ?
what to know before taking ap calculus in some sense , the prerequisite for ap calculus is to have an overall comfort with algebra , geometry , and trigonometry . after all , each new topic in math builds on previous topics , which is why mastery at each stage is so important . however , for those of you who have taken...
what to know before taking ap calculus in some sense , the prerequisite for ap calculus is to have an overall comfort with algebra , geometry , and trigonometry . after all , each new topic in math builds on previous topics , which is why mastery at each stage is so important .
will taking pre-calculus prior to ap calculus make for a smoother transition ?
what to know before taking ap calculus in some sense , the prerequisite for ap calculus is to have an overall comfort with algebra , geometry , and trigonometry . after all , each new topic in math builds on previous topics , which is why mastery at each stage is so important . however , for those of you who have taken...
what to know before taking ap calculus in some sense , the prerequisite for ap calculus is to have an overall comfort with algebra , geometry , and trigonometry . after all , each new topic in math builds on previous topics , which is why mastery at each stage is so important .
is it possible to take ap calculus ab without first taking pre-calculus class ?
what to know before taking ap calculus in some sense , the prerequisite for ap calculus is to have an overall comfort with algebra , geometry , and trigonometry . after all , each new topic in math builds on previous topics , which is why mastery at each stage is so important . however , for those of you who have taken...
what to know before taking ap calculus in some sense , the prerequisite for ap calculus is to have an overall comfort with algebra , geometry , and trigonometry . after all , each new topic in math builds on previous topics , which is why mastery at each stage is so important .
if your a senior in high school , is it advised or normal to take ap calculus without taking regular calculus ?
what to know before taking ap calculus in some sense , the prerequisite for ap calculus is to have an overall comfort with algebra , geometry , and trigonometry . after all , each new topic in math builds on previous topics , which is why mastery at each stage is so important . however , for those of you who have taken...
algebra ) or if it 's hard because of the new material ( i.e . the calculus itself ) . just make sure you are always willing to ask yourself `` do i have a strong feel for the concepts in this problem ? ''
is the list of preparing to take this ap calculus ab the same as preparing to take the main calculus ?
what to know before taking ap calculus in some sense , the prerequisite for ap calculus is to have an overall comfort with algebra , geometry , and trigonometry . after all , each new topic in math builds on previous topics , which is why mastery at each stage is so important . however , for those of you who have taken...
$ \log ( a^x ) = x\log ( a ) $ . functions calculus is all about functions , so it is helpful to be pretty fluent when it comes to thinking about functions , graphing functions , and using the appropriate terminology when talking about functions . know what a function is know how to represent a function with a graph .
when i press on the link `` quadratic functions '' to review , why do the titles become french ?
what we need to know before this lesson a rational expression is a ratio of two polynomials . to add or subtract two rational expressions with the same denominator , we simply add or subtract the numerators and write the result over the common denominator . when the denominators are not the same , we must manipulate th...
then , we can subtract the numerators and write the result over the common denominator . $ \begin { align } & amp ; \phantom { = } { \dfrac { 3 } { \blued { x-2 } } -\dfrac { 2 } { \greend { x+1 } } } \\\ & amp ; =\dfrac { 3 } { \blued { x-2 } } { \left ( \greend { \dfrac { x+1 } { x+1 } } \right ) } -\dfrac { 2 } { \g...
how would you solve : b-a/a^2b + a+b/ab^2 ?
illustrated books were an especially important art form in iran from the fourteenth century to the sixteenth century . they flourished during a cultural revival that took place under the ilkhanids , the mongol dynasty which ruled mesopotamia and iran from 1258 to 1336 c.e . the ilkhanids were the descendants of genghis...
the ilkhanid court commissioned luxury manuscripts as didactic works of art in which they identified themselves with the kings and heroes of iranian history , primarily those of the shahnama , or book of kings ( above ) . shahnama or book of kings the most popular illustrated text of the period was the shahnama or book...
in what language ( or languages ) are these texts written ?
illustrated books were an especially important art form in iran from the fourteenth century to the sixteenth century . they flourished during a cultural revival that took place under the ilkhanids , the mongol dynasty which ruled mesopotamia and iran from 1258 to 1336 c.e . the ilkhanids were the descendants of genghis...
illustrated books were an especially important art form in iran from the fourteenth century to the sixteenth century . they flourished during a cultural revival that took place under the ilkhanids , the mongol dynasty which ruled mesopotamia and iran from 1258 to 1336 c.e .
which spelling is preferred today among historians ?
illustrated books were an especially important art form in iran from the fourteenth century to the sixteenth century . they flourished during a cultural revival that took place under the ilkhanids , the mongol dynasty which ruled mesopotamia and iran from 1258 to 1336 c.e . the ilkhanids were the descendants of genghis...
the ilkhanid court commissioned luxury manuscripts as didactic works of art in which they identified themselves with the kings and heroes of iranian history , primarily those of the shahnama , or book of kings ( above ) . shahnama or book of kings the most popular illustrated text of the period was the shahnama or book...
who would have written & painted these ?
overview by the beginning of the 17th century , spain ’ s rivals—england , france , and the dutch republic—had each established an atlantic presence , with greater or lesser success , in the race for imperial power . none of the new colonies , all in the eastern part of north america , could match the spanish possessio...
governor white never knew whether the colonists had decamped for nearby croatoan island—now hatteras—or whether some disaster had befallen them all . roanoke is still called the lost colony . jamestown english promoters of colonization pushed its commercial advantages and the religious justification that english coloni...
what happened to the lost colony how do we not know all these years later what happened ?
overview by the beginning of the 17th century , spain ’ s rivals—england , france , and the dutch republic—had each established an atlantic presence , with greater or lesser success , in the race for imperial power . none of the new colonies , all in the eastern part of north america , could match the spanish possessio...
these islands produced cash crops—first tobacco and then sugar . very quickly , by the mid-1600s , barbados had become one of the most important english colonies because of the sugar produced there . barbados was the first english colony dependent on enslaved people , and it became a model for other english slave socie...
what prompted young englishmen to become indentured servants and what caused the decline of indentured servants ?
overview by the beginning of the 17th century , spain ’ s rivals—england , france , and the dutch republic—had each established an atlantic presence , with greater or lesser success , in the race for imperial power . none of the new colonies , all in the eastern part of north america , could match the spanish possessio...
what do you think was a more important motivation for english settlers in the new world : gold or religious freedom ? how did the goals of english settlers in virginia , the west indies , and new england differ ? in what ways were they the same ?
how did the goals of new settlers from virginia , west indies and new england differ ?
overview by the beginning of the 17th century , spain ’ s rivals—england , france , and the dutch republic—had each established an atlantic presence , with greater or lesser success , in the race for imperial power . none of the new colonies , all in the eastern part of north america , could match the spanish possessio...
these skilled mariners cruised the caribbean , plundering spanish ships whenever they could . each year the english took more than £100,000 from spain in this way ; english privateer francis drake first made a name for himself when , in 1573 , he looted silver , gold , and pearls worth £40,000 . elizabeth sanctioned on...
how much would the 40,000 pounds sir francis drake looted in 1573 be in present-day money ?
overview by the beginning of the 17th century , spain ’ s rivals—england , france , and the dutch republic—had each established an atlantic presence , with greater or lesser success , in the race for imperial power . none of the new colonies , all in the eastern part of north america , could match the spanish possessio...
from the start , the english west indies had a commercial orientation . these islands produced cash crops—first tobacco and then sugar . very quickly , by the mid-1600s , barbados had become one of the most important english colonies because of the sugar produced there .
how hard was it to grow tobacco plants ?
overview by the beginning of the 17th century , spain ’ s rivals—england , france , and the dutch republic—had each established an atlantic presence , with greater or lesser success , in the race for imperial power . none of the new colonies , all in the eastern part of north america , could match the spanish possessio...
these skilled mariners cruised the caribbean , plundering spanish ships whenever they could . each year the english took more than £100,000 from spain in this way ; english privateer francis drake first made a name for himself when , in 1573 , he looted silver , gold , and pearls worth £40,000 . elizabeth sanctioned on...
was francis drake and the other english privateers the first known pirates ?
overview by the beginning of the 17th century , spain ’ s rivals—england , france , and the dutch republic—had each established an atlantic presence , with greater or lesser success , in the race for imperial power . none of the new colonies , all in the eastern part of north america , could match the spanish possessio...
all english settlements in the americas , however , marked the increasingly important role of england in the atlantic world . what do you think ? what do you think was a more important motivation for english settlers in the new world : gold or religious freedom ?
did you think that the pilgrims had bad plans and lack of food or the rich had food and the poor did not ?
overview by the beginning of the 17th century , spain ’ s rivals—england , france , and the dutch republic—had each established an atlantic presence , with greater or lesser success , in the race for imperial power . none of the new colonies , all in the eastern part of north america , could match the spanish possessio...
yet the english persisted , and for this reason the jamestown settlement has a special place in history as the first permanent colony in what later became the united states . english settlement in the caribbean after jamestown ’ s founding , english colonization of the new world accelerated . in 1609 , a ship bound for...
if it was acceptable to have slave societies in the new world , why did the english not practice slavery in england ?
overview by the beginning of the 17th century , spain ’ s rivals—england , france , and the dutch republic—had each established an atlantic presence , with greater or lesser success , in the race for imperial power . none of the new colonies , all in the eastern part of north america , could match the spanish possessio...
governor white never knew whether the colonists had decamped for nearby croatoan island—now hatteras—or whether some disaster had befallen them all . roanoke is still called the lost colony . jamestown english promoters of colonization pushed its commercial advantages and the religious justification that english coloni...
what did roanoke look like when it was a lost colony ?
overview by the beginning of the 17th century , spain ’ s rivals—england , france , and the dutch republic—had each established an atlantic presence , with greater or lesser success , in the race for imperial power . none of the new colonies , all in the eastern part of north america , could match the spanish possessio...
the admiral of the ship , george somers , claimed the island for the english crown . the english also began to colonize small islands in the caribbean , an incursion into the spanish american empire . they established themselves on small islands such as st. christopher in 1624 , barbados in 1627 , nevis in 1628 , monts...
how may have geography influenced the puritan religion , especially as they lived in small-town communities ?
overview by the beginning of the 17th century , spain ’ s rivals—england , france , and the dutch republic—had each established an atlantic presence , with greater or lesser success , in the race for imperial power . none of the new colonies , all in the eastern part of north america , could match the spanish possessio...
nonetheless , english monarchs carefully monitored developments in the new atlantic world and took steps to assert england ’ s claim to the americas . as early as 1497 , henry vii of england commissioned john cabot , an italian mariner , to explore new lands . cabot sailed from england that year and made landfall somew...
can someone explain to me who john rolfe was ?
overview by the beginning of the 17th century , spain ’ s rivals—england , france , and the dutch republic—had each established an atlantic presence , with greater or lesser success , in the race for imperial power . none of the new colonies , all in the eastern part of north america , could match the spanish possessio...
nonetheless , these nations ' presence in the new world helped them establish claims that they hoped could halt the runaway growth of spain ’ s catholic empire . english colonists in virginia suffered greatly ; they expected riches to fall into their hands and found reality a harsh blow . however , the colony at jamest...
would n't we have at least found their skeletons or something ?
overview enacted by congress in 1944 , the gi bill sent more than eight million world war ii veterans to school between 1945 and 1956 . it also backed home loans , gave veterans a year of unemployment benefits , and provided for veterans ' medical care . the bill was a huge success , propelling americans to new heights...
world war ii had revived american prosperity after more than a decade of depression , and the government was desperate to fend off the economic turmoil that 15 million veterans reentering the workforce might wreak . hoping to provide servicemen and women with a measure of financial security upon their return ( and , ho...
why/how was franklin d. roosevelt able to be president for four terms ?
overview enacted by congress in 1944 , the gi bill sent more than eight million world war ii veterans to school between 1945 and 1956 . it also backed home loans , gave veterans a year of unemployment benefits , and provided for veterans ' medical care . the bill was a huge success , propelling americans to new heights...
with the assistance of the american legion , the economic bill of rights was revamped as the gi bill of rights . the gi bill , as it was abbreviated , had three key components : 1 ) educational support . veterans were entitled to \ $ 500 per year toward tuition and as well as a living stipend of \ $ 65-90 per month dep...
was it mainly only younger soldiers that used the educational grants and did older soldiers ignore the educational support or did a mix of all ages go on to education after the war ?
overview enacted by congress in 1944 , the gi bill sent more than eight million world war ii veterans to school between 1945 and 1956 . it also backed home loans , gave veterans a year of unemployment benefits , and provided for veterans ' medical care . the bill was a huge success , propelling americans to new heights...
although the government did not give veterans money to purchase homes , businesses , or farms , it pledged to back veterans ' borrowing , making it much easier for them to get credit . the gi bill also provided for veterans ' medical care , even building new hospitals to meet the increased demand . scope of the gi bill...
ca n't the gi bill be seen as some kind of stimulus of the aggregate demand as the keynesian economics - hegemonic by the time - prescripted ?
overview enacted by congress in 1944 , the gi bill sent more than eight million world war ii veterans to school between 1945 and 1956 . it also backed home loans , gave veterans a year of unemployment benefits , and provided for veterans ' medical care . the bill was a huge success , propelling americans to new heights...
although the government did not give veterans money to purchase homes , businesses , or farms , it pledged to back veterans ' borrowing , making it much easier for them to get credit . the gi bill also provided for veterans ' medical care , even building new hospitals to meet the increased demand . scope of the gi bill...
what tasks did it take for the gi bill to be created in the first place ?
overview enacted by congress in 1944 , the gi bill sent more than eight million world war ii veterans to school between 1945 and 1956 . it also backed home loans , gave veterans a year of unemployment benefits , and provided for veterans ' medical care . the bill was a huge success , propelling americans to new heights...
scope of the gi bill from 1945 to 1956 , about 50 % of the american veterans who served in world war ii availed themselves of one or more aspects of the gi bill . 2.2 million veterans went to college , 3.5 million went to technical or vocational school , and 700,000 took instruction in agriculture . the number of ameri...
text to world : is it possible that when it went from 200,000 people going to college to a half a billion , could it now a days be more than half a million and not be many people in the world not having a college education ?
overview enacted by congress in 1944 , the gi bill sent more than eight million world war ii veterans to school between 1945 and 1956 . it also backed home loans , gave veterans a year of unemployment benefits , and provided for veterans ' medical care . the bill was a huge success , propelling americans to new heights...
historian james t. patterson has called it `` the most significant development in the modern history of american education . `` $ ^5 $ the government guaranty for home and business loans also prompted an economic boom , financing the construction of thousands of new homes , like those that sprang up in suburbs such as ...
so levittown was a outgrowth of the suburb move ?
overview enacted by congress in 1944 , the gi bill sent more than eight million world war ii veterans to school between 1945 and 1956 . it also backed home loans , gave veterans a year of unemployment benefits , and provided for veterans ' medical care . the bill was a huge success , propelling americans to new heights...
although the government did not give veterans money to purchase homes , businesses , or farms , it pledged to back veterans ' borrowing , making it much easier for them to get credit . the gi bill also provided for veterans ' medical care , even building new hospitals to meet the increased demand . scope of the gi bill...
what does gi bill stand for ?
background polar coordinates ( video ) double integrals beyond volume what we 're building to when you are performing a double integral , $ \displaystyle \iint_\bluee { r } f\ , \rede { da } $ if you wish to express the function $ f $ and the bounds for the region $ \bluee { r } $ in polar coordinates $ ( r , \theta ) ...
therefore , if we treat this tiny chunk as a rectangle , and as $ dr $ and $ d\theta $ each approach $ 0 $ it basically is a rectangle , its area is $ \rede { da } = ( r\ , d\theta ) ( dr ) $ plugging this into our original integral , we get $ \begin { align } \iint_ { r\le 2 } r^2\ , \rede { da } = \iint_ { r\le 2 } r...
in the hidden answer of the 2nd example , when doing u-substitution , how did -2sin ( 2theta ) become -2sin ( theta ) ?
background polar coordinates ( video ) double integrals beyond volume what we 're building to when you are performing a double integral , $ \displaystyle \iint_\bluee { r } f\ , \rede { da } $ if you wish to express the function $ f $ and the bounds for the region $ \bluee { r } $ in polar coordinates $ ( r , \theta ) ...
$ \begin { align } \int_ { -\infty } ^\infty \int_ { -\infty } ^\infty e^ { - ( x^2 + y^2 ) } \ , dx\ , dy \end { align } $ however , something magical happens when we convert to polar coordinates . concept check : express this double integral using polar coordinates . since the inner integral is with respect to $ \the...
is there a formulation for this using the area of a sector ?
background polar coordinates ( video ) double integrals beyond volume what we 're building to when you are performing a double integral , $ \displaystyle \iint_\bluee { r } f\ , \rede { da } $ if you wish to express the function $ f $ and the bounds for the region $ \bluee { r } $ in polar coordinates $ ( r , \theta ) ...
$ \begin { align } \int_ { -\infty } ^\infty \int_ { -\infty } ^\infty e^ { - ( x^2 + y^2 ) } \ , dx\ , dy \end { align } $ however , something magical happens when we convert to polar coordinates . concept check : express this double integral using polar coordinates . since the inner integral is with respect to $ \the...
how can we take limits in double integral through polar coordinates without drawing the diagram ?
welcome to britain , home to one of the biggest empires in history and a rich artistic heritage . we 'll start in the 16th through the 18th centuries , years that saw the establishment of britain–and british art–as we know it . as you travel through the following five galleries , remember that the art within them cover...
as a result , the paintings of this time are imbued with a strong sense of national pride and ambition . © tate , 2015
does the tate have british art from before the 1600 's ?
parchment for much of the middle ages dead cows were the main ingredient for books . what was frolicking in the meadow one month , may have been a page in a bible the next . the skin of animals ( calves , goats , sheep ) was turned into parchment , which was subsequently cut into sheets . parchment was introduced in la...
the most common imperfections are holes produced by the knife of the parchment maker . preparing parchment was a delicate business . in order to clear the skin of flesh and hair , it was attached to a wooden frame , tight like a drum .
or were they more pernicious perhaps in being deep chasms that made the parchment page uneven and impossible to write over in parts ?
parchment for much of the middle ages dead cows were the main ingredient for books . what was frolicking in the meadow one month , may have been a page in a bible the next . the skin of animals ( calves , goats , sheep ) was turned into parchment , which was subsequently cut into sheets . parchment was introduced in la...
the follicles are helpful because they allow us to determine— from the distance between them—whether the animal was a calf , a sheep or a goat . this , in turn , may shed light on where the manuscript was produced : the use of goat , for example , often points to italy . the transition to paper in the 12th century anot...
why does the use of goat most often point to italy ?
parchment for much of the middle ages dead cows were the main ingredient for books . what was frolicking in the meadow one month , may have been a page in a bible the next . the skin of animals ( calves , goats , sheep ) was turned into parchment , which was subsequently cut into sheets . parchment was introduced in la...
however , readers did not seem to mind the holes too much and scribes usually just wrote around them , or they repaired them . sometimes the reader is given an unexpected sneak peek onto the next page—where a dragon may just be introduced into the story ( as in the image above ) . the jabs of parchment makers—and the r...
if we are given a `` sneak peek '' of the dragon , why is it on the page before it instead of after ?
parchment for much of the middle ages dead cows were the main ingredient for books . what was frolicking in the meadow one month , may have been a page in a bible the next . the skin of animals ( calves , goats , sheep ) was turned into parchment , which was subsequently cut into sheets . parchment was introduced in la...
this , in turn , may shed light on where the manuscript was produced : the use of goat , for example , often points to italy . the transition to paper in the 12th century another material appeared in europe : paper . imported from arabic culture , it was first exclusively used for documentary purposes , such as account...
is is me or was there an implied assumption that we use high grade paper for everything in the modern world ?
parchment for much of the middle ages dead cows were the main ingredient for books . what was frolicking in the meadow one month , may have been a page in a bible the next . the skin of animals ( calves , goats , sheep ) was turned into parchment , which was subsequently cut into sheets . parchment was introduced in la...
a scribe producing a book for his own library may be less attentive than one that worked in a monastic community . the best sheets have a deep-white color , with a hint of yellow . they feel like velvet and make a slight rustling sound when you turn the page—suspenseful whispers that teased the reader ( image above ) .
is there any chemical component that can be added to the parchment surface to remove the hint yellow color ?
parchment for much of the middle ages dead cows were the main ingredient for books . what was frolicking in the meadow one month , may have been a page in a bible the next . the skin of animals ( calves , goats , sheep ) was turned into parchment , which was subsequently cut into sheets . parchment was introduced in la...
in some monastic communities this must have been common practice , given that they repaired a lot of books with such “ embroidery. ” the practice turned defect into art : good-looking bad skin . hair follicles another skin problem encountered by scribes during a book ’ s production was the animal ’ s hair follicle—the ...
does anyone have an additional resource that talks about identifying species and location based on the distance between hair follicles ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
unfortunately , there 's no special formula to find the force of tension . the strategy employed to find the force of tension is the same as the one we use to find the normal force . namely , we use newton 's second law to relate the motion of the object to the forces involved .
why is the normal force unknown ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cables are useful for exerting forces since they can efficiently transfer a force over a significant dis...
if two masses are connected by the same rope , in what circumstances would the force tension differ between the two masses ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
now we use newton 's second law . the tension is directed both vertically and horizontally , so it 's a little unclear which direction to choose . however , since we know the acceleration horizontally , and since we know tension is the only force directed horizontally , we 'll use newton 's second law in the horizontal...
it does n't change the equation , so what is the point of showing whether the forces go horizontally or vertically ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
this might sound obvious , but when it comes time to draw the forces acting on an object , people often draw the force of tension going in the wrong direction so remember that tension can only pull on an object . how do we calculate the force of tension ? unfortunately , there 's no special formula to find the force of...
how would i find the total tension of the rope with consideration to fg=mg , normal force nf , and tsin ( 60 ) ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
what does tension mean ? all physical objects that are in contact can exert forces on each other .
can someone explain to why , and tell me how to know the tension is the same or not ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
ropes and cables are useful for exerting forces since they can efficiently transfer a force over a significant distance ( e.g . the length of the rope ) . for instance , a sled can be pulled by a team of siberian huskies with ropes secured to them which lets the dogs run with a larger range of motion compared to requir...
do you have to account for the mass of the rope , too ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
( yes , that would be the most pathetic dog sled team ever . ) it 's important to note here that tension is a pulling force since ropes simply ca n't push effectively . trying to push with a rope causes the rope to go slack and lose the tension that allowed it to pull in the first place .
in the final example , should n't t1 be negative 4.2n since tension is a force ( and thus a vector pulling in the leftward direction ) ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cables are useful for exerting forces since they can efficiently transfer a force over a significant dis...
if you pull a box by a string is the whole force that you apply to the string transmitted to the box or is the force on the box smaller or larger than your pull because of the frictional force of the string ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
the tension in the rope causes the box to slide across the table to the right with an acceleration of $ 3.0\dfrac { \text { m } } { \text { s } ^2 } $ . what is the tension in the rope ? first we draw a force diagram of all the forces acting on the box .
when there are no gives an angle in question then how to find tension in the rope ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
for instance , a sled can be pulled by a team of siberian huskies with ropes secured to them which lets the dogs run with a larger range of motion compared to requiring the huskies to push on the back surface of the sled from behind using the normal force . ( yes , that would be the most pathetic dog sled team ever . )...
how would we find the resultant vector from multiple tensions ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
what is the tension in the rope ? first we draw a force diagram of all the forces acting on the box . now we use newton 's second law .
i was just wondering for the first example , why do we include fn and what exactly is that ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
what do solved examples involving tension look like ? example 1 : angled rope pulling on a box a $ 2.0 \text { kg } $ box of cucumber extract is being pulled across a frictionless table by a rope at an angle $ \theta=60^o $ as seen below . the tension in the rope causes the box to slide across the table to the right wi...
for example 1 : angled rope pulling on a box that below diagram has fg which is gravitational force and fn..means ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
how do we calculate the force of tension ? unfortunately , there 's no special formula to find the force of tension . the strategy employed to find the force of tension is the same as the one we use to find the normal force .
if we are provided with mass of block and angle and ask to find tension and force.what formula do we use ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
it 's important to note here that tension is a pulling force since ropes simply ca n't push effectively . trying to push with a rope causes the rope to go slack and lose the tension that allowed it to pull in the first place . this might sound obvious , but when it comes time to draw the forces acting on an object , pe...
in first 2 para it means something pulls a rope and rope in turn pulls it up ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
$ a_x=\dfrac { \sigma f_x } { m } \quad \text { ( use newtons 's second law for the horizontal direction ) } $ $ 3.0\dfrac { \text { m } } { \text { s } ^2 } =\dfrac { \purpled { t } \text { cos } 60^o } { 2.0\text { kg } } \quad \text { ( plug in the horizontal acceleration , mass , and horizontal forces ) } $ $ \purp...
what if we were dealing with an angle in the rope and the object was being dragged up a ramp with a different angle wrt to the ground ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
the tension in the rope causes the box to slide across the table to the right with an acceleration of $ 3.0\dfrac { \text { m } } { \text { s } ^2 } $ . what is the tension in the rope ? first we draw a force diagram of all the forces acting on the box .
a rope 1 cm in diameter breaks if tension in it exceeds 500 n. the maximum tension that may be given to a similar rope of diameter 2 cm is ... .. ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
( yes , that would be the most pathetic dog sled team ever . ) it 's important to note here that tension is a pulling force since ropes simply ca n't push effectively . trying to push with a rope causes the rope to go slack and lose the tension that allowed it to pull in the first place .
why is pulling something easier than pushing it.is this even true ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cables are useful for exerting forces since they can efficiently transfer a force over a significant dis...
if a person is pulling a crate using a rope , is the magnitude of the force of tension exerted on the person greater than that on the crate ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
what do solved examples involving tension look like ? example 1 : angled rope pulling on a box a $ 2.0 \text { kg } $ box of cucumber extract is being pulled across a frictionless table by a rope at an angle $ \theta=60^o $ as seen below . the tension in the rope causes the box to slide across the table to the right wi...
how does the problem change if you add one more box being pulled with the same rope in the same direction with a force of 42.1 n and that last box is pushing another box in front of it but that is not attached to the rope ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
this might sound obvious , but when it comes time to draw the forces acting on an object , people often draw the force of tension going in the wrong direction so remember that tension can only pull on an object . how do we calculate the force of tension ? unfortunately , there 's no special formula to find the force of...
in example two i ) part , why do we have to subtract the g-force and in example two ii ) part why do we have to subtract the tension t1 ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
there are tensions directed both vertically and horizontally , so again it 's a little unclear which direction to choose . however , since we know the force of gravity , which is a vertical force , we 'll start with newton 's second law in the vertical direction . $ a_y=\dfrac { \sigma f_y } { m } \quad \text { ( use n...
in example 1 , why is n't force normal and force gravity drawn equal to each other or drawn at the same length ?
what does tension mean ? all physical objects that are in contact can exert forces on each other . we give these contact forces different names based on the types of objects in contact . if one of the objects exerting the force happens to be a rope , string , chain , or cable we call the force tension . ropes and cable...
this might sound obvious , but when it comes time to draw the forces acting on an object , people often draw the force of tension going in the wrong direction so remember that tension can only pull on an object . how do we calculate the force of tension ? unfortunately , there 's no special formula to find the force of...
in the last example , why do you need to minus the force of gravity from the y component of the tension ?