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what you should be familiar with before taking this lesson you should know what two-variable linear equations are . specifically , you should know that the graph of such equations is a line . if this is new to you , check out our intro to two-variable equations . you should also be familiar with the following propertie... | if this is new to you , check out our intro to two-variable equations . you should also be familiar with the following properties of linear equations : $ y $ -intercept and $ x $ -intercept and slope . what you will learn in this lesson what is the slope-intercept form of two-variable linear equations how to find the s... | do slope and intercept show up on the new sat ? |
what you should be familiar with before taking this lesson you should know what two-variable linear equations are . specifically , you should know that the graph of such equations is a line . if this is new to you , check out our intro to two-variable equations . you should also be familiar with the following propertie... | $ \text { slope } =\dfrac { \text { change in } y } { 1 } =\text { change in } y $ now let 's look at what happens to the $ y $ -values in the equation $ y=\maroonc { 2 } x+\greene { 1 } $ as the $ x $ -values constantly increase by $ 1 $ unit . $ x $ | $ \ , $ | $ y $ | | : - : | : - : | : - | : - $ 0 $ | | $ \greene ... | and if we already took algebra 1 and algebra 2 is it still worth it too go back to each subject 's curriculum and take notes on concepts that appear on the sat math test ? |
what you should be familiar with before taking this lesson you should know what two-variable linear equations are . specifically , you should know that the graph of such equations is a line . if this is new to you , check out our intro to two-variable equations . you should also be familiar with the following propertie... | it has the following general structure . drum roll ... $ \large y=\maroonc { m } x+\greene { b } $ here , $ \maroonc { m } $ and $ \greene { b } $ can be any two real numbers . for example , these are linear equations in slope-intercept form : $ y=2x+1 $ $ y=-3x+2.7 $ $ y=10-100x $ on the other hand , these linear equa... | how do you guys find b the easiest way without a graph ? |
what you should be familiar with before taking this lesson you should know what two-variable linear equations are . specifically , you should know that the graph of such equations is a line . if this is new to you , check out our intro to two-variable equations . you should also be familiar with the following propertie... | it has the following general structure . drum roll ... $ \large y=\maroonc { m } x+\greene { b } $ here , $ \maroonc { m } $ and $ \greene { b } $ can be any two real numbers . for example , these are linear equations in slope-intercept form : $ y=2x+1 $ $ y=-3x+2.7 $ $ y=10-100x $ on the other hand , these linear equa... | why is it y=mx+b instead of y=sx+i ? |
what you should be familiar with before taking this lesson you should know what two-variable linear equations are . specifically , you should know that the graph of such equations is a line . if this is new to you , check out our intro to two-variable equations . you should also be familiar with the following propertie... | if this is new to you , check out our intro to two-variable equations . you should also be familiar with the following properties of linear equations : $ y $ -intercept and $ x $ -intercept and slope . what you will learn in this lesson what is the slope-intercept form of two-variable linear equations how to find the s... | while we are writing the equation , do we have to do anything with the x-intercept of ht equation ? |
what you should be familiar with before taking this lesson you should know what two-variable linear equations are . specifically , you should know that the graph of such equations is a line . if this is new to you , check out our intro to two-variable equations . you should also be familiar with the following propertie... | you should also be familiar with the following properties of linear equations : $ y $ -intercept and $ x $ -intercept and slope . what you will learn in this lesson what is the slope-intercept form of two-variable linear equations how to find the slope and the $ y $ -intercept of a line from its slope-intercept equatio... | how do you get from calculating slope and y intercept in this simple equation to calculating the slope and y intercept in a regression equation ? |
what you should be familiar with before taking this lesson you should know what two-variable linear equations are . specifically , you should know that the graph of such equations is a line . if this is new to you , check out our intro to two-variable equations . you should also be familiar with the following propertie... | you should also be familiar with the following properties of linear equations : $ y $ -intercept and $ x $ -intercept and slope . what you will learn in this lesson what is the slope-intercept form of two-variable linear equations how to find the slope and the $ y $ -intercept of a line from its slope-intercept equatio... | i 'm having trouble finding the slope intercept form from a table.. any tips ? |
what you should be familiar with before taking this lesson you should know what two-variable linear equations are . specifically , you should know that the graph of such equations is a line . if this is new to you , check out our intro to two-variable equations . you should also be familiar with the following propertie... | you should also be familiar with the following properties of linear equations : $ y $ -intercept and $ x $ -intercept and slope . what you will learn in this lesson what is the slope-intercept form of two-variable linear equations how to find the slope and the $ y $ -intercept of a line from its slope-intercept equatio... | what is a practical use of slope-intercept form ? |
what you should be familiar with before taking this lesson you should know what two-variable linear equations are . specifically , you should know that the graph of such equations is a line . if this is new to you , check out our intro to two-variable equations . you should also be familiar with the following propertie... | the $ y $ -coordinate of the $ y $ -intercept is $ \greene { b } $ . in other words , the line 's $ y $ -intercept is at $ ( 0 , \greene { b } ) $ . for example , the line $ y=\maroonc { 2 } x\greene { +1 } $ has a slope of $ \maroonc { 2 } $ and a $ y $ -intercept at $ ( 0 , \greene { 1 } ) $ : the fact that this form... | when m=0 , b=0 , is the solution a line or a point and why ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | you can practice other skills any time you 'd like , even if we did n't recommend them to you . video and text explanations will help you learn the skills covered on the test and show you how the test is structured . be sure to take some full-length practice exams , too ! | how do you suggest i study for the essay portion of the test ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | you also have the option to work on other specific skill areas if you don ’ t want to focus on content that the system suggests . you can scroll down to view all of the skill categories and to watch videos that will help build your muscles in specific content areas . finally , we highly recommend that you access the fu... | how can coaches view student progress and recommendations for their students working on sat content ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | skill levels change to reflect your mastery . the highest skill level , which you can reach through extended practice , is level four . the goal of the diagnostic quizzes is to give you deliberate practice in the areas where you need the most help . | is it possible to start on a level lower than what the system initially assigns you ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . | i 'm wondering if , when i take the sat next saturday and my scores are released , will they be uploaded and programmed into my personalized ka sat practice ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | the psat/nmsqt® has the same content as the sat , but minus the hardest questions and the essay . find out more information on the psat . if you ’ ve already taken the psat and want to practice for the sat , you do not need to take the diagnostic tests as shown below . | i read somewhere that only the psat scores are connected to my ka account , and i wonder if that 's true ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . | or will my future sat scores be connected , as well ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . | what is the book that is recommended for sat study ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | after you complete the four diagnostic quizzes , the summary page will lay out your starting skill levels in a variety of math categories . skill levels change to reflect your mastery . the highest skill level , which you can reach through extended practice , is level four . | if so , is there any way users can see for themselves which skill area each question falls into ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . | can we take the sat test more than once ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . | it 's it advisable to take the sat after 12th grade ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat performance , or take diagnostics if you did n't tak... | are teachers allowed to see what we can improve on to get better and be able to pass the sat test ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | first steps visit the khan academy official sat practice website , and click the practice now button . if you are a new learner , the website will start by asking you a series of questions , including which test you want to practice for : the sat or the psat . the psat/nmsqt® has the same content as the sat , but minus... | what is the difference between sat , psat and act ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . | what are the subject you need to cover for sat ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . | does the sat test only include the following areas of studying : maths , reading and writing , or does it also include other scientific subjects ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | we recommend taking them without interruption to give you a sense of what to expect on test day . first steps visit the khan academy official sat practice website , and click the practice now button . if you are a new learner , the website will start by asking you a series of questions , including which test you want t... | is there any way , for example , for me to ask my students to complete 5 practice problems from manipulating quadratic and exponential expressions ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . | what do the numbers mean ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat performance , or take diagnostics if you did n't take the psat . we 'll recommend practice to you based on your results . | how long should the psat take ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | you can scroll down to view all of the skill categories and to watch videos that will help build your muscles in specific content areas . finally , we highly recommend that you access the full exams tab for full-length sat practice tests . whole practice tests are some of the most crucial tools to help prepare you for ... | would taking the psats and sat tests here help me prepare for my ged tests later this/next year ? |
welcome to khan academy ’ s official sat practice ! we are excited to be collaborating with the college board to provide free , world-class test prep for students like you . let ’ s get started ! overview link your college board and khan academy accounts to get automatic personalized recommendations based on your psat ... | view this video to learn how to link your accounts . if you have not taken the psat or do not want to link your accounts , the next step will be choosing which subject you ’ d like to focus on first : math or reading & amp ; writing . if you choose math , you will be sent to a series of diagnostic quizzes in math . | what is the significance of the different shades of green/purple next to the practices ? |
early christian and roman art this third century sarcophagus from the church of santa maria antiqua ( above ) was undoubtedly made to serve as the tomb of a relatively prosperous third century christian . as we will see below , early christian art borrowed many forms from pagan art . the male philosopher type that we s... | this convention is illustrated in a later sixth century miniature showing the figure of dioscorides , an ancient greek physician , pharmacologist , and botanist ( below ) . in the left side of the sarcophagus , jonah is represented sleeping under the ivy after being vomited from the great fish , shown on the left . the... | is n't sleeping forever pretty much being dead ? |
early christian and roman art this third century sarcophagus from the church of santa maria antiqua ( above ) was undoubtedly made to serve as the tomb of a relatively prosperous third century christian . as we will see below , early christian art borrowed many forms from pagan art . the male philosopher type that we s... | ( below ) . on the far right of the santa maria antiqua sarcophagus , we see an image of the baptism of christ ( see below ) . the inclusion of this relatively rare representation of christ probably refers to the importance of the sacrament of baptism , which signified death and rebirth into a new christian life . a cu... | in the last photo ( of christ 's baptism ) was it common for early christian artists to depict christ as a child during his baptism ? |
early christian and roman art this third century sarcophagus from the church of santa maria antiqua ( above ) was undoubtedly made to serve as the tomb of a relatively prosperous third century christian . as we will see below , early christian art borrowed many forms from pagan art . the male philosopher type that we s... | early christian and roman art this third century sarcophagus from the church of santa maria antiqua ( above ) was undoubtedly made to serve as the tomb of a relatively prosperous third century christian . as we will see below , early christian art borrowed many forms from pagan art . | when did artists start to show jesus as an adult being baptized ? |
early christian and roman art this third century sarcophagus from the church of santa maria antiqua ( above ) was undoubtedly made to serve as the tomb of a relatively prosperous third century christian . as we will see below , early christian art borrowed many forms from pagan art . the male philosopher type that we s... | the pose of the reclining jonah with his arm over his head is based on the greek ( pagan ) mythological figure of endymion , whose wish to sleep for ever -- and thus become ageless and immortal—explains the popularity of this subject on non-christian sarcophagi . another popular early christian image appears on the san... | could i have permission to use your picture of john the baptist baptizing jesus on the santa maria antiqua sarcophagus as an illustration in a self-published book i have written on the subject of christian baptism ? |
early christian and roman art this third century sarcophagus from the church of santa maria antiqua ( above ) was undoubtedly made to serve as the tomb of a relatively prosperous third century christian . as we will see below , early christian art borrowed many forms from pagan art . the male philosopher type that we s... | as we will see below , early christian art borrowed many forms from pagan art . the male philosopher type that we see in the center of the santa maria antiqua sarcophagus ( above ) is easily identifiable with the same type in another third century sarcophagus ( below ) , but in this case a non-christian one . the femal... | where is the sarcophagus located ? |
reaction stoichiometry gives us the tools in chemistry to figure out the relative amounts of reactants and products in a chemical reaction . we can also use stoichiometric tools to figure out the number of atoms present in a compound or amount of substance or solute in a solution , respectively called composition and s... | the goal is always to convert into moles , which is the language of stoichiometry . first , we should figure out the molar mass of ammonium phosphate trihydrate : $ h_1 $ $ _8 $ $ n_3 $ $ o_7 $ $ p : $ $ ( 18 \times 1 ) $ $ + $ $ ( 14 \times 3 ) $ $ + $ $ ( 16 \times 7 ) $ $ + $ $ 31 $ $ = $ $ 18 $ $ + $ $ 42 $ $ + $ $... | should the final equation in the calculating limiting reactant section be 0.01mol/10 = xmol/3 ? |
reaction stoichiometry gives us the tools in chemistry to figure out the relative amounts of reactants and products in a chemical reaction . we can also use stoichiometric tools to figure out the number of atoms present in a compound or amount of substance or solute in a solution , respectively called composition and s... | to convert from empirical to molecular formula , we need the molecular weight of the compound . to find the empirical formula , we need the mass composition of a compound given as either grams or mass percentages . supposed we were asked to find the empirical formula of a compound that has a mass composition of 44.7 % ... | ex the mass for the h2s is in kg in the answer but is divided by molar mass which is in grams ? |
reaction stoichiometry gives us the tools in chemistry to figure out the relative amounts of reactants and products in a chemical reaction . we can also use stoichiometric tools to figure out the number of atoms present in a compound or amount of substance or solute in a solution , respectively called composition and s... | the goal is always to convert into moles , which is the language of stoichiometry . first , we should figure out the molar mass of ammonium phosphate trihydrate : $ h_1 $ $ _8 $ $ n_3 $ $ o_7 $ $ p : $ $ ( 18 \times 1 ) $ $ + $ $ ( 14 \times 3 ) $ $ + $ $ ( 16 \times 7 ) $ $ + $ $ 31 $ $ = $ $ 18 $ $ + $ $ 42 $ $ + $ $... | i find it confusing that to get 'number of particles ' , why was 0.02 moles added to 1/5 x 10^-1 ? |
interquartile range ( iqr ) interquartile range is the amount of spread in the middle $ 50\ % $ of a dataset . in other words , it is the distance between the first quartile $ ( \text { q } _1 ) $ and the third quartile $ ( \text { q } _3 ) $ . $ \text { iqr } =\text { q } _3-\text { q } _1 $ here 's how to find the iq... | $ 4 $ , $ \large4 $ , $ \large6 $ , $ 6 $ $ \text { q } _3=\dfrac { 4+6 } { 2 } =5 $ the third quartile is $ 5 $ . step 5 : calculate the iqr . $ \begin { align } \text { iqr } & amp ; = \text { q } _3-\text { q } _1 \ \ & amp ; = 5-3 \ \ & amp ; = 2 \end { align } $ the iqr is $ 2 $ points . | how would i be able to calculate outliers for my box and whisker graphs ? |
a moment of moralizing to the artists of 18th century europe , it was not enough to simply paint a beautiful painting . yes one could marvel at your use of colors , proportions , and how masterfully you draped the fabric on your figures , but this was just not enough . the story that is represented must also improve th... | greece and rome—it was felt—were the cultures that gave us the enlightened political systems of democracy and republicanism , as opposed to the modern monarchies , which would be increasingly criticized as corrupt and arbitrary in the mid and late eighteenth century . the ancients could instruct modern audiences in pat... | is it possible that this moralizing trend in art , here exemplified by the french neo classical , is merely one end of a pendulum swing , the other end of which is the rococo ? |
a moment of moralizing to the artists of 18th century europe , it was not enough to simply paint a beautiful painting . yes one could marvel at your use of colors , proportions , and how masterfully you draped the fabric on your figures , but this was just not enough . the story that is represented must also improve th... | painted in 1785 , cornelia , mother of the gracchi , pointing to her children as her treasures , is her subject . roman architectural influences frame two women portrayed wearing what one can imagine is typical of ancient roman dress , along with three children , also wearing masterfully draped togas with thin leather ... | now days young women think frida khalo a femminist , what are the real positions of these women in the long line of evolving art ? |
a moment of moralizing to the artists of 18th century europe , it was not enough to simply paint a beautiful painting . yes one could marvel at your use of colors , proportions , and how masterfully you draped the fabric on your figures , but this was just not enough . the story that is represented must also improve th... | so where did these benefactors of the people learn their exemplary ethics ? that would be their mother , cornelia . the scene that we see in kauffmann ’ s painting illustrates one such example of cornelia ’ s teachings . a visitor has come to her home to show off a wonderful array of jewelry and precious gems , what on... | who commissioned cornelia from kauffmann ? |
what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . the deformation could involve compressing , stretchin... | as it is stretched ( loaded ) , the curve takes the upper path . because the rubber band is not ideal , it delivers less force for a given extension when relaxing back ( unloaded ) . the purple shaded area represents the elastic potential energy at maximum extension . | in the rubber band example , is the heat dissipated as work is done stretching the rubber band , or as the rubber band is being unloaded ? |
what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . the deformation could involve compressing , stretchin... | how much potential energy is stored in the four springs ? exercise 2a : a trained archer has the ability to draw a longbow with a force of up to 300 n , extending the string back by 0.6 m. assuming the bow behaves like an ideal spring , what spring constant would allow the archer to make use of his full strength ? exer... | it sounds like 0.6m is just the distance the string gets pulled back when 300n is applied , which would imply a specific spring constant , so why does the question make it sound like the spring constant could be anything ? |
what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . the deformation could involve compressing , stretchin... | how much potential energy is stored in the four springs ? exercise 2a : a trained archer has the ability to draw a longbow with a force of up to 300 n , extending the string back by 0.6 m. assuming the bow behaves like an ideal spring , what spring constant would allow the archer to make use of his full strength ? exer... | is 0.6m just the maximum limit to how far the bow can be pulled back ? |
what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . the deformation could involve compressing , stretchin... | how much potential energy is stored in the four springs ? exercise 2a : a trained archer has the ability to draw a longbow with a force of up to 300 n , extending the string back by 0.6 m. assuming the bow behaves like an ideal spring , what spring constant would allow the archer to make use of his full strength ? exer... | also , would n't any spring constant greater than 500n/m also allow the archer to use his full strength ? |
what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . the deformation could involve compressing , stretchin... | the equivalent to the force vs extension curve is the stress vs strain curve . where a three-dimensional elastic material obeys hooke 's law , $ \mathrm { energy / volume = \frac { 1 } { 2 } ( stress \cdot strain ) } $ exercise 3 : figure 3 shows a stress vs strain plot for a rubber band . as it is stretched ( loaded )... | why do we multiply the volume of the rubber by the heat in the last exercise ? |
what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . the deformation could involve compressing , stretchin... | our article on hooke 's law and elasticity discusses how the magnitude of the force $ f $ due to an ideal spring depends linearly on the length it has been compressed or expanded $ \delta x $ , $ f = k\cdot \delta x $ where $ k $ is some positive number known as the spring constant . the spring force is a conservative ... | in a stress-strain graph , is the stress plotted always ( force applied ) / ( original cross-sectional area of material ) or is it ( force applied ) / ( cross-sectional area of material when that force is applied ) ? |
what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . the deformation could involve compressing , stretchin... | it turns out that the same procedure still applies . the equivalent to the force vs extension curve is the stress vs strain curve . where a three-dimensional elastic material obeys hooke 's law , $ \mathrm { energy / volume = \frac { 1 } { 2 } ( stress \cdot strain ) } $ exercise 3 : figure 3 shows a stress vs strain p... | in the extension vs force graph , what if the force was always constant ? |
what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . the deformation could involve compressing , stretchin... | in our article on hooke 's law and elasticity we discuss how real springs only obey hooke 's law over some particular range of applied force . some elastic materials such as rubber bands and flexible plastics can function as springs but often have hysteresis ; this means the force vs extension curve follows a different... | a sharp blow gives the block an initial downward velocity v. how far below the equilibrium position , the block comes to an instantaneous rest ? |
what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . the deformation could involve compressing , stretchin... | what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . | is it possible that one viable answer would be that some energy was lost to air resistance ? |
what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . the deformation could involve compressing , stretchin... | many objects are designed specifically to store elastic potential energy , for example : the coil spring of a wind-up clock an archer 's stretched bow a bent diving board , just before a divers jump the twisted rubber band which powers a toy airplane a bouncy ball , compressed at the moment it bounces off a brick wall ... | when a problem gives you tensile strength , length , radius , and the elastic limit , and asks for the maximum load , what is the tensile strength referring to ? |
what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . the deformation could involve compressing , stretchin... | the equivalent to the force vs extension curve is the stress vs strain curve . where a three-dimensional elastic material obeys hooke 's law , $ \mathrm { energy / volume = \frac { 1 } { 2 } ( stress \cdot strain ) } $ exercise 3 : figure 3 shows a stress vs strain plot for a rubber band . as it is stretched ( loaded )... | do you apply hooke 's law considering stress and strain ? |
what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . the deformation could involve compressing , stretchin... | how much potential energy is stored in the four springs ? exercise 2a : a trained archer has the ability to draw a longbow with a force of up to 300 n , extending the string back by 0.6 m. assuming the bow behaves like an ideal spring , what spring constant would allow the archer to make use of his full strength ? exer... | where does tensile strength come in ? |
what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . the deformation could involve compressing , stretchin... | the equivalent to the force vs extension curve is the stress vs strain curve . where a three-dimensional elastic material obeys hooke 's law , $ \mathrm { energy / volume = \frac { 1 } { 2 } ( stress \cdot strain ) } $ exercise 3 : figure 3 shows a stress vs strain plot for a rubber band . as it is stretched ( loaded )... | in question 3 , why is the heat energy = stress * strain * volume , instead of stress* strain * volume * .5 , or am i missing something ? |
what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . the deformation could involve compressing , stretchin... | what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . | what is the actual equation written out for elastic energy ? |
what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . the deformation could involve compressing , stretchin... | what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . | how would using a stiffer spring affect the value of the elastic potential energy and why ? |
what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . the energy is stored until the force is removed and the object springs back to its original shape , doing work in the process . the deformation could involve compressing , stretchin... | what is elastic potential energy ? elastic potential energy is energy stored as a result of applying a force to deform an elastic object . | elastic potential energy increases with a greater ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | ( a ) speed is increasing . ( b ) acceleration is increasing . ( c ) speed is decreasing . | how would i find the displacement on the curved/changing acceleration charts ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | $ \text { area } =\text { displacement } $ what do solved examples involving velocity vs. time graphs look like ? example 1 : windsurfing speed change a windsurfer is traveling along a straight line , and her motion is given by the velocity graph below . select all of the following statements that are true about the sp... | when the acceleration is a straight line , i can use base x height for a rectangle , and ( 1/2 ) base x height for a triangle , but what about the curves on the charts ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position graph—they forget that for velocity graphs the value of the vertical axis is giving the velocity . try sliding the do... | how would you calculate the average speed on a velocity/time graph ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | the graph can be thought of as being a rectangle—between $ t=0\text { s } $ and $ t=3\text { s } $ —and a triangle—between $ t=3\text { s } $ and $ t=7\text { s } $ ) . once we find the area of these shapes and add them , we will get the total displacement . the area of the rectangle is found by $ \text { area } =h\tim... | how would i find displacement if the area i 'm supposed to be calculating is under 0 on the v-axis ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | options a , speed increasing , and d , acceleration decreasing , are both true . the slope of a velocity graph is the acceleration . since the slope of the curve is decreasing and becoming less steep this means that the acceleration is also decreasing . | so you can only use average velocity to find displacement when the acceleration is constant ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | options a , speed increasing , and d , acceleration decreasing , are both true . the slope of a velocity graph is the acceleration . since the slope of the curve is decreasing and becoming less steep this means that the acceleration is also decreasing . | how can you have acceleration ( indicated by a neg slope on the vel v. time graph ) at a velocity of 0 m/sec ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position graph—they forget that for velocity graphs the value of the... | how can you be changing velocity when there is no velocity ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | what was the acceleration of the go-kart at time $ t=4\text { s } $ ? b . what was the displacement of the go-kart between $ t=0\text { s } $ and $ t=7\text { s } $ ? | in example 2 , part b , could n't you use the formula for area of a trapezoid ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | the slope of a velocity graph will be given by the following formula : $ \text { slope } =\dfrac { \text { rise } } { \text { run } } =\dfrac { v_2-v_1 } { t_2-t_1 } =\dfrac { \delta v } { \delta t } $ since $ \dfrac { \delta v } { \delta t } $ is the definition of acceleration , the slope of a velocity graph must equa... | what does changing velocity means ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | the slope of a velocity graph will be given by the following formula : $ \text { slope } =\dfrac { \text { rise } } { \text { run } } =\dfrac { v_2-v_1 } { t_2-t_1 } =\dfrac { \delta v } { \delta t } $ since $ \dfrac { \delta v } { \delta t } $ is the definition of acceleration , the slope of a velocity graph must equa... | does it means thats the speed of the object is changing ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | how can the object accelerate ( or move , even ) if the total velocity is zero ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | options a , speed increasing , and d , acceleration decreasing , are both true . the slope of a velocity graph is the acceleration . since the slope of the curve is decreasing and becoming less steep this means that the acceleration is also decreasing . | if the velocity on the graph is negative , does that mean that the object is moving backwards , regardless of acceleration ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | options a , speed increasing , and d , acceleration decreasing , are both true . the slope of a velocity graph is the acceleration . since the slope of the curve is decreasing and becoming less steep this means that the acceleration is also decreasing . | how would it be possible to find acceleration , if the graph of velocity-time graph is curved ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position graph—they forget that for velocity graphs the value of the vertical axis is giving the velocity . try sliding the do... | would n't finding the slope through finding tan of the angle inclined by the line and x-axis be meaningless ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | example 1 : windsurfing speed change a windsurfer is traveling along a straight line , and her motion is given by the velocity graph below . select all of the following statements that are true about the speed and acceleration of the windsurfer . ( a ) speed is increasing . ( b ) acceleration is increasing . ( c ) spee... | why does the windsurfers acceleration decrease while it 's speed increases ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | for the first 4.5 seconds , the speed increased from 0 m/s to about 5 m/s , but for the second 4.5 seconds , the speed increased from 5 m/s to only about 7 m/s . example 2 : go-kart acceleration the motion of a go-kart is shown by the velocity vs. time graph below . a . | when would velocity on a graph go below zero ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | the slope of a velocity graph will be given by the following formula : $ \text { slope } =\dfrac { \text { rise } } { \text { run } } =\dfrac { v_2-v_1 } { t_2-t_1 } =\dfrac { \delta v } { \delta t } $ since $ \dfrac { \delta v } { \delta t } $ is the definition of acceleration , the slope of a velocity graph must equa... | my question is , how are those point taken , on what what basis are the initial and final velocities identified while taking slope ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | concept check : is the object whose motion is described by the graph above speeding up , slowing down , or traveling at constant velocity at time $ t=4\text { s } $ ? what does the area under a velocity graph represent ? the area under a velocity graph represents the displacement of the object . | does the area under the time velocity graph show distance or displacement ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | options a , speed increasing , and d , acceleration decreasing , are both true . the slope of a velocity graph is the acceleration . since the slope of the curve is decreasing and becoming less steep this means that the acceleration is also decreasing . | can i calculate the instantaneous acceleration from a v-t graph ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | for the first 4.5 seconds , the speed increased from 0 m/s to about 5 m/s , but for the second 4.5 seconds , the speed increased from 5 m/s to only about 7 m/s . example 2 : go-kart acceleration the motion of a go-kart is shown by the velocity vs. time graph below . a . | but is n't acceleration= v/t which is in this case 4/2 , which gives 2 m/s^2 ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | this means the acceleration is negative . at $ t=2\text { s } $ , the slope is zero since the tangent line is horizontal . this means the acceleration is zero at that moment . | also , how can you find the slope of a curved line ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | ( a ) speed is increasing . ( b ) acceleration is increasing . ( c ) speed is decreasing . | i want to know what is the difference between acceleration and velocity i get the formula and everything but i do n't the whole acceleration thing ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . | what is v2-v1 / t2-t1 ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | $ $ concept check : what is the velocity of the object at time $ t=4\text { seconds } $ , according to the graph above ? what does the slope represent on a velocity graph ? the slope of a velocity graph represents the acceleration of the object . | what is the shape of the slope representing uniform velocity in a velocity time graph ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | options a , speed increasing , and d , acceleration decreasing , are both true . the slope of a velocity graph is the acceleration . since the slope of the curve is decreasing and becoming less steep this means that the acceleration is also decreasing . | in the wind surfing graph i do n't quite understand why there is a low acceleration ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | ( a ) speed is increasing . ( b ) acceleration is increasing . ( c ) speed is decreasing . | in example 1 , does it mean that the shallow the curve is , the smaller the acceleration is ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | concept check : is the object whose motion is described by the graph above speeding up , slowing down , or traveling at constant velocity at time $ t=4\text { s } $ ? what does the area under a velocity graph represent ? the area under a velocity graph represents the displacement of the object . | is n't area a scalar quantity ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | try sliding the dot horizontally on the example graph below to choose different times and see how the velocity changes . $ $ concept check : what is the velocity of the object at time $ t=4\text { seconds } $ , according to the graph above ? what does the slope represent on a velocity graph ? the slope of a velocity gr... | if a slope is negative , does it mean that the object on a velocity vs. time graph is decelerating ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | for the first 4.5 seconds , the speed increased from 0 m/s to about 5 m/s , but for the second 4.5 seconds , the speed increased from 5 m/s to only about 7 m/s . example 2 : go-kart acceleration the motion of a go-kart is shown by the velocity vs. time graph below . a . | how do we find the distance traveled from the velocity vs time graph ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | the area of this rectangle can be found by multiplying height of the rectangle , 6 m/s , times its width , 5 s , which would give $ \text { area } =\text { height } \times \text { width } = 6\text { m/s } \times 5\text { s } =30\text { m } $ this is the same answer we got before for the displacement . the area under a ... | on what kind of example does the distance traveled equal the displacement ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position graph—they forget that for velocity graphs the value of the... | how do you get a negative velocity ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | try sliding the dot horizontally on the example graph below to choose different times and see how the velocity changes . $ $ concept check : what is the velocity of the object at time $ t=4\text { seconds } $ , according to the graph above ? what does the slope represent on a velocity graph ? | how would i find the position of the object at a certain time ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | the slope of a velocity graph will be given by the following formula : $ \text { slope } =\dfrac { \text { rise } } { \text { run } } =\dfrac { v_2-v_1 } { t_2-t_1 } =\dfrac { \delta v } { \delta t } $ since $ \dfrac { \delta v } { \delta t } $ is the definition of acceleration , the slope of a velocity graph must equa... | would n't it make sense to make the rectangles a little lager then the slope the subtract the area of the piece the left the outside of the slope ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | when the slope is shallow , the object will not be changing its velocity as rapidly . this also means that if the slope is negative—directed downwards—the acceleration will be negative , and if the slope is positive—directed upwards—the acceleration will be positive . try sliding the dot horizontally on the example vel... | can negative velocity have a positive slope if it starts underneath zero ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | finding the acceleration of the go-kart at $ t=4\text { s } $ we can find the acceleration at $ t=4\text { s } $ by finding the slope of the velocity graph at $ t=4\text { s } $ . $ \text { slope } =\dfrac { \text { rise } } { \text { run } } $ for our two points , we 'll choose the start— $ 3\text { s } , 6\text { m/s... | when you 're measuring two objects on a v-t graph , what does it mean when the two objects have points that intersect ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position graph—they forget that for velocity graphs the value of the vertical axis is giving the velocity . try sliding the do... | how to find the displacement or distance if the slope is curved and goes below the x axis meaning negative velocity ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | a . what was the acceleration of the go-kart at time $ t=4\text { s } $ ? b . | how can time possibly be negative if time only moves in one direction ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | for the first 4.5 seconds , the speed increased from 0 m/s to about 5 m/s , but for the second 4.5 seconds , the speed increased from 5 m/s to only about 7 m/s . example 2 : go-kart acceleration the motion of a go-kart is shown by the velocity vs. time graph below . a . | how would you describe the motion of a graph ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . | what does v1 and v2 stand for ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | this means the acceleration is negative . at $ t=2\text { s } $ , the slope is zero since the tangent line is horizontal . this means the acceleration is zero at that moment . | i know that this was n't included in the exercise but , how do we determine the line of best fit ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | ( a ) speed is increasing . ( b ) acceleration is increasing . ( c ) speed is decreasing . | what 's the difference between magnitude of acceleration and acceleration ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | to find the displacement during this time interval , we could use this formula $ \delta x=v\delta t= ( 6\text { m/s } ) ( 5\text { s } ) =30\text { m } $ which gives a displacement of $ 30\text { m } $ . now we 're going to show that this was equivalent to finding the area under the curve . consider the rectangle of ar... | is it safe to say that evaluating the integral under the curve gives displacement whilst finding the area under the curve gives distance ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | for the first 4.5 seconds , the speed increased from 0 m/s to about 5 m/s , but for the second 4.5 seconds , the speed increased from 5 m/s to only about 7 m/s . example 2 : go-kart acceleration the motion of a go-kart is shown by the velocity vs. time graph below . a . | how do you describe the motion of a velocity-time graph ? |
what does the vertical axis represent on a velocity graph ? the vertical axis represents the velocity of the object . this probably sounds obvious , but be forewarned—velocity graphs are notoriously difficult to interpret . people get so used to finding velocity by determining the slope—as would be done with a position... | select all of the following statements that are true about the speed and acceleration of the windsurfer . ( a ) speed is increasing . ( b ) acceleration is increasing . | how i would find the average speed of an car in a graph ? |
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