context stringlengths 545 71.9k | questionsrc stringlengths 16 10.2k | question stringlengths 11 563 |
|---|---|---|
roman architecture was unlike anything that had come before . the persians , egyptians , greeks and etruscans all had monumental architecture . the grandeur of their buildings , though , was largely external . buildings were designed to be impressive when viewed from outside because their architects all had to rely on ... | is a great example of an insula . even in death , the romans found the need to construct grand buildings to commemorate and house their remains , like eurysaces the baker , whose elaborate tomb still stands near the porta maggiore in rome . the romans built aqueducts throughout their domain and introduced water into th... | how did a simple baker come to have such a grand tomb ? |
roman architecture was unlike anything that had come before . the persians , egyptians , greeks and etruscans all had monumental architecture . the grandeur of their buildings , though , was largely external . buildings were designed to be impressive when viewed from outside because their architects all had to rely on ... | as a result , the inside of roman buildings were as impressive as their exteriors . materials , methods and innovations long before concrete made its appearance on the building scene in rome , the romans utilized a volcanic stone native to italy called tufa to construct their buildings . although tufa never went out of... | what type of roofing materials did the romans , greeks and others use on their buildings ? |
roman architecture was unlike anything that had come before . the persians , egyptians , greeks and etruscans all had monumental architecture . the grandeur of their buildings , though , was largely external . buildings were designed to be impressive when viewed from outside because their architects all had to rely on ... | materials , methods and innovations long before concrete made its appearance on the building scene in rome , the romans utilized a volcanic stone native to italy called tufa to construct their buildings . although tufa never went out of use , travertine began to be utilized in the late 2nd century b.c.e . because it wa... | are there any aqueducts that are still in use today ? |
roman architecture was unlike anything that had come before . the persians , egyptians , greeks and etruscans all had monumental architecture . the grandeur of their buildings , though , was largely external . buildings were designed to be impressive when viewed from outside because their architects all had to rely on ... | a true arch is composed of wedge-shaped blocks ( typically of a durable stone ) , called voussoirs , with a key stone in the center holding them into place . in a true arch , weight is transferred from one voussoir down to the next , from the top of the arch to ground level , creating a sturdy building tool . true arch... | how did the arch effect modern society ? |
roman architecture was unlike anything that had come before . the persians , egyptians , greeks and etruscans all had monumental architecture . the grandeur of their buildings , though , was largely external . buildings were designed to be impressive when viewed from outside because their architects all had to rely on ... | roman architecture was unlike anything that had come before . the persians , egyptians , greeks and etruscans all had monumental architecture . | what was the greatest roman innovation in architecture ? |
roman architecture was unlike anything that had come before . the persians , egyptians , greeks and etruscans all had monumental architecture . the grandeur of their buildings , though , was largely external . buildings were designed to be impressive when viewed from outside because their architects all had to rely on ... | the use of concrete , combined with the employment of true arches allowed for vaults and domes to be built , creating expansive and breathtaking interior spaces . roman architects we don ’ t know much about roman architects . few individual architects are known to us because the dedicatory inscriptions , which appear o... | what practices , decorative techniques , and styles were key to roman interior and landscape design ? |
roman architecture was unlike anything that had come before . the persians , egyptians , greeks and etruscans all had monumental architecture . the grandeur of their buildings , though , was largely external . buildings were designed to be impressive when viewed from outside because their architects all had to rely on ... | also , the presence of three cellas , or cult rooms , was also unique . the temple of jupiter would remain influential in temple design for much of the republican period . drawing on such deep and rich traditions didn ’ t mean that roman architects were unwilling to try new things . | do any of these elements remain influential for us today ? |
roman architecture was unlike anything that had come before . the persians , egyptians , greeks and etruscans all had monumental architecture . the grandeur of their buildings , though , was largely external . buildings were designed to be impressive when viewed from outside because their architects all had to rely on ... | pompeii , italy is an excellent example of a city with a well preserved forum . romans had a wide range of housing . the wealthy could own a house ( domus ) in the city as well as a country farmhouse ( villa ) , while the less fortunate lived in multi-story apartment buildings called insulae . | what specific article should i look in for information if i want to make a model of a common temple and housing quarters that combine different methods and features and layouts that greeks and romans used for their architecture ? |
roman architecture was unlike anything that had come before . the persians , egyptians , greeks and etruscans all had monumental architecture . the grandeur of their buildings , though , was largely external . buildings were designed to be impressive when viewed from outside because their architects all had to rely on ... | also useful in the forum plan were the basilica ( a law court ) , and other official meeting places for the town council , such as a curia building . quite often the city ’ s meat , fish and vegetable markets sprang up around the bustling forum . surrounding the forum , lining the city ’ s streets , framing gateways , ... | whatmotive were there to the construction of markets & shops ? |
roman architecture was unlike anything that had come before . the persians , egyptians , greeks and etruscans all had monumental architecture . the grandeur of their buildings , though , was largely external . buildings were designed to be impressive when viewed from outside because their architects all had to rely on ... | the romans built aqueducts throughout their domain and introduced water into the cities they built and occupied , increasing sanitary conditions . a ready supply of water also allowed bath houses to become standard features of roman cities , from timgad , algeria to bath , england . a healthy roman lifestyle also inclu... | what are the major features of themarkets & shops ? |
roman architecture was unlike anything that had come before . the persians , egyptians , greeks and etruscans all had monumental architecture . the grandeur of their buildings , though , was largely external . buildings were designed to be impressive when viewed from outside because their architects all had to rely on ... | the use of concrete , combined with the employment of true arches allowed for vaults and domes to be built , creating expansive and breathtaking interior spaces . roman architects we don ’ t know much about roman architects . few individual architects are known to us because the dedicatory inscriptions , which appear o... | why are there so many nudes in roman art ? |
roman architecture was unlike anything that had come before . the persians , egyptians , greeks and etruscans all had monumental architecture . the grandeur of their buildings , though , was largely external . buildings were designed to be impressive when viewed from outside because their architects all had to rely on ... | no longer dependent on post-and-lintel architecture , the builders utilized concrete to make a vast system of covered ramps , large terraces , shops and barrel vaults . imperial period the emperor nero began building his infamous domus aurea , or golden house , after a great fire swept through rome in 64 c.e . and dest... | how can fire destroy a stone building ? |
roman architecture was unlike anything that had come before . the persians , egyptians , greeks and etruscans all had monumental architecture . the grandeur of their buildings , though , was largely external . buildings were designed to be impressive when viewed from outside because their architects all had to rely on ... | and destroyed much of the downtown area . the destruction allowed nero to take over valuable real estate for his own building project ; a vast new villa . although the choice was not in the public interest , nero ’ s desire to live in grand fashion did spur on the architectural revolution in rome . | how long did it take to build the houses/apartments ? |
a pyxis is a cylindrical box used for cosmetics . now , imagine a room in a palace where this beautifully carved ivory container is given a central place . the luxurious box sits open . inside are small silver containers of perfume , also left open so that their sweet-smelling aromas could waft through the room , gentl... | a pyxis is a cylindrical box used for cosmetics . now , imagine a room in a palace where this beautifully carved ivory container is given a central place . | what might the perfume kept in this pyxis have smelled of ? |
a pyxis is a cylindrical box used for cosmetics . now , imagine a room in a palace where this beautifully carved ivory container is given a central place . the luxurious box sits open . inside are small silver containers of perfume , also left open so that their sweet-smelling aromas could waft through the room , gentl... | jade and other precious and semi-precious stones were used in the decoration of these boxes . remember , islamic art is not strictly speaking aniconic ( aniconic = the absence of human figures ) . human and animal figures played a vital part in iconography . | is there a specific time or dynasty human and animal figures appeared in islamic art ? |
a pyxis is a cylindrical box used for cosmetics . now , imagine a room in a palace where this beautifully carved ivory container is given a central place . the luxurious box sits open . inside are small silver containers of perfume , also left open so that their sweet-smelling aromas could waft through the room , gentl... | jade and other precious and semi-precious stones were used in the decoration of these boxes . remember , islamic art is not strictly speaking aniconic ( aniconic = the absence of human figures ) . human and animal figures played a vital part in iconography . | is the main stream of islamic art is aniconic and there 's some exceptions ? |
a pyxis is a cylindrical box used for cosmetics . now , imagine a room in a palace where this beautifully carved ivory container is given a central place . the luxurious box sits open . inside are small silver containers of perfume , also left open so that their sweet-smelling aromas could waft through the room , gentl... | 2009 . “ ivory. ” the grove encyclopedia of islamic art and architecture . oxford : oxford university press , 331-6 . | how is this islamic art , when islam clearly prohibits picture making ? |
a pyxis is a cylindrical box used for cosmetics . now , imagine a room in a palace where this beautifully carved ivory container is given a central place . the luxurious box sits open . inside are small silver containers of perfume , also left open so that their sweet-smelling aromas could waft through the room , gentl... | while many pyxides were given to women , many were also given to men , including this one , which was given to al-mughira , the youngest son of the deceased caliph ‘ abd al-raḥmān iii , when he was eighteen years old in the year ah 357/ 968 ce . this medallion centers around a lute player flanked by two figures , one o... | 'braided specter and flask of the umayyads ' do you mean braided 'sceptre ' ? |
a pyxis is a cylindrical box used for cosmetics . now , imagine a room in a palace where this beautifully carved ivory container is given a central place . the luxurious box sits open . inside are small silver containers of perfume , also left open so that their sweet-smelling aromas could waft through the room , gentl... | a pyxis is a cylindrical box used for cosmetics . now , imagine a room in a palace where this beautifully carved ivory container is given a central place . | what sort of cosmetics would 18-year-old boys have used ? |
the ancient city may be quiet now , its life ended by a fantastic cataclysm nearly two thousand years ago , but the remains of houses , decorations , and the objects of daily life whisper to us about the lives of the ancient people who inhabited pompeii before the eruption of mount vesuvius . domestic spaces , in parti... | 1996 . houses and society in pompeii and herculaneum . princeton : princeton university press . | if so , what would be some of the qualities that they would look for while buying houses , if houses were built almost all the same ? |
the ancient city may be quiet now , its life ended by a fantastic cataclysm nearly two thousand years ago , but the remains of houses , decorations , and the objects of daily life whisper to us about the lives of the ancient people who inhabited pompeii before the eruption of mount vesuvius . domestic spaces , in parti... | 1996 . houses and society in pompeii and herculaneum . princeton : princeton university press . | what where the houses made from besides wood and stone ? |
the ancient city may be quiet now , its life ended by a fantastic cataclysm nearly two thousand years ago , but the remains of houses , decorations , and the objects of daily life whisper to us about the lives of the ancient people who inhabited pompeii before the eruption of mount vesuvius . domestic spaces , in parti... | ling , r. 1991 . roman painting . cambridge : cambridge university press . | can i ever build a roman house and/or machine ? |
the ancient city may be quiet now , its life ended by a fantastic cataclysm nearly two thousand years ago , but the remains of houses , decorations , and the objects of daily life whisper to us about the lives of the ancient people who inhabited pompeii before the eruption of mount vesuvius . domestic spaces , in parti... | the ancient city may be quiet now , its life ended by a fantastic cataclysm nearly two thousand years ago , but the remains of houses , decorations , and the objects of daily life whisper to us about the lives of the ancient people who inhabited pompeii before the eruption of mount vesuvius . domestic spaces , in parti... | was the hero and leander fresco restored ? |
the ancient city may be quiet now , its life ended by a fantastic cataclysm nearly two thousand years ago , but the remains of houses , decorations , and the objects of daily life whisper to us about the lives of the ancient people who inhabited pompeii before the eruption of mount vesuvius . domestic spaces , in parti... | pompeii was thriving up until the moment of its destruction and in studying its life interrupted , we arrive at important insights about what it was like to live in the roman mediterranean . overview the house of the vettii or casa dei vettii ( vi xv,1 ) is a roman townhouse ( domus ) located within the ruined ancient ... | is the house of vettii the only one that is found with new design of roman houses in pompeii ? |
the ancient city may be quiet now , its life ended by a fantastic cataclysm nearly two thousand years ago , but the remains of houses , decorations , and the objects of daily life whisper to us about the lives of the ancient people who inhabited pompeii before the eruption of mount vesuvius . domestic spaces , in parti... | 1988 . “ the social structure of the roman house. ” papers of the british school at rome 56:43–97 . wallace-hadrill , a . | was ancient rome also undergoing some social changes in human rights so that a freedman could obtain a high social status ? |
the ancient city may be quiet now , its life ended by a fantastic cataclysm nearly two thousand years ago , but the remains of houses , decorations , and the objects of daily life whisper to us about the lives of the ancient people who inhabited pompeii before the eruption of mount vesuvius . domestic spaces , in parti... | the ancient city may be quiet now , its life ended by a fantastic cataclysm nearly two thousand years ago , but the remains of houses , decorations , and the objects of daily life whisper to us about the lives of the ancient people who inhabited pompeii before the eruption of mount vesuvius . domestic spaces , in parti... | when did people stop lying down to eat ? |
who is depicted here ? this stone stele depicts the hindu god vishnu , attended by two consorts , lakshmi ( lower left ) and sarasvati ( lower right ) . vishnu is the god of preservation , the great maintainer who often appears in various incarnations ( avatara ) to provide salvation for humanity . some of his best-kno... | vishnu is the god of preservation , the great maintainer who often appears in various incarnations ( avatara ) to provide salvation for humanity . some of his best-known avatars , who are tremendously popular and beloved throughout hindu india , are the gods krishna and rama . while the god shiva may appear as ferociou... | what do the gods krishna and rama represent ? |
who is depicted here ? this stone stele depicts the hindu god vishnu , attended by two consorts , lakshmi ( lower left ) and sarasvati ( lower right ) . vishnu is the god of preservation , the great maintainer who often appears in various incarnations ( avatara ) to provide salvation for humanity . some of his best-kno... | who is depicted here ? this stone stele depicts the hindu god vishnu , attended by two consorts , lakshmi ( lower left ) and sarasvati ( lower right ) . vishnu is the god of preservation , the great maintainer who often appears in various incarnations ( avatara ) to provide salvation for humanity . | why do hindu deities have blue skin color ? |
using the medium of collage , the artist wangechi mutu creates new worlds that re-imagine culture through the realm of fantasy . mutu was born in nairobi , kenya and educated in europe and the united states . her art is global in nature and she clearly relishes complicating both western and non-western cultural norms ;... | using the medium of collage , the artist wangechi mutu creates new worlds that re-imagine culture through the realm of fantasy . mutu was born in nairobi , kenya and educated in europe and the united states . | how does devouring a male relate ? |
using the medium of collage , the artist wangechi mutu creates new worlds that re-imagine culture through the realm of fantasy . mutu was born in nairobi , kenya and educated in europe and the united states . her art is global in nature and she clearly relishes complicating both western and non-western cultural norms ;... | sources for mutu ’ s collages include fragments from fashion magazines , pornography , medical literature or even popular magazines such as national geographic . inspiration for her collages can be traced to the early photomontages of the german dada artist hannah hoch ( below left ) and the american artist romare bear... | did the artist experience a divorce that shattered her psyche into that of a skinned zombie ? |
key points : in exponential growth , a population 's per capita ( per individual ) growth rate stays the same regardless of population size , making the population grow faster and faster as it gets larger . in nature , populations may grow exponentially for some period , but they will ultimately be limited by resource ... | this fits with our graph above : the population grows near-exponentially at first , but levels off more and more as it approaches $ k $ . what factors determine carrying capacity ? basically , any kind of resource important to a species ’ survival can act as a limit . | why can we just say that the carrying capacity of the seals is 7500 ? |
key points : in exponential growth , a population 's per capita ( per individual ) growth rate stays the same regardless of population size , making the population grow faster and faster as it gets larger . in nature , populations may grow exponentially for some period , but they will ultimately be limited by resource ... | key points : in exponential growth , a population 's per capita ( per individual ) growth rate stays the same regardless of population size , making the population grow faster and faster as it gets larger . in nature , populations may grow exponentially for some period , but they will ultimately be limited by resource ... | just because the data seems to imply that ? |
key points : in exponential growth , a population 's per capita ( per individual ) growth rate stays the same regardless of population size , making the population grow faster and faster as it gets larger . in nature , populations may grow exponentially for some period , but they will ultimately be limited by resource ... | for plants , the water , sunlight , nutrients , and the space to grow are some key resources . for animals , important resources include food , water , shelter , and nesting space . limited quantities of these resources results in competition between members of the same population , or intraspecific competition ( intra... | is there any way to include the bounces into an equation ? |
key points : in exponential growth , a population 's per capita ( per individual ) growth rate stays the same regardless of population size , making the population grow faster and faster as it gets larger . in nature , populations may grow exponentially for some period , but they will ultimately be limited by resource ... | the population size at which it levels off , which represents the maximum population size a particular environment can support , is called the carrying capacity , or $ k $ . we can mathematically model logistic growth by modifying our equation for exponential growth , using an $ r $ ( per capita growth rate ) that depe... | first , should n't the logistic equation in this article be off early on when the population is growing exponentially , since at first , when there is abundant resources there is zero competition , while the logistic equation shows growth slowing even that early on ( k-n will fall below 1 as soon as n is higher than ze... |
key points : in exponential growth , a population 's per capita ( per individual ) growth rate stays the same regardless of population size , making the population grow faster and faster as it gets larger . in nature , populations may grow exponentially for some period , but they will ultimately be limited by resource ... | $ ( k - n ) /k $ , then , is the fraction of the carrying capacity that has not yet been “ used up. ” the more carrying capacity that has been used up , the more the $ ( k - n ) /k $ term will reduce the growth rate . when the population is tiny , $ n $ is very small compared to $ k $ . the $ ( k - n ) /k $ term become... | i am curious , could we said the population is stable when k=n ? |
key points : in exponential growth , a population 's per capita ( per individual ) growth rate stays the same regardless of population size , making the population grow faster and faster as it gets larger . in nature , populations may grow exponentially for some period , but they will ultimately be limited by resource ... | as we mentioned briefly above , we get exponential growth when $ r $ ( the per capita rate of increase ) for our population is positive and constant . while any positive , constant $ r $ can lead to exponential growth , you will often see exponential growth represented with an $ r $ of $ r_ { max } $ . $ r_ { max } $ i... | what does the max mean after r ? |
key points : in exponential growth , a population 's per capita ( per individual ) growth rate stays the same regardless of population size , making the population grow faster and faster as it gets larger . in nature , populations may grow exponentially for some period , but they will ultimately be limited by resource ... | this fits with our graph above : the population grows near-exponentially at first , but levels off more and more as it approaches $ k $ . what factors determine carrying capacity ? basically , any kind of resource important to a species ’ survival can act as a limit . | how is a carrying capacity of an ecosystem affected ? |
key points : in exponential growth , a population 's per capita ( per individual ) growth rate stays the same regardless of population size , making the population grow faster and faster as it gets larger . in nature , populations may grow exponentially for some period , but they will ultimately be limited by resource ... | while any positive , constant $ r $ can lead to exponential growth , you will often see exponential growth represented with an $ r $ of $ r_ { max } $ . $ r_ { max } $ is the maximum per capita rate of increase for a particular species under ideal conditions , and it varies from species to species . for instance , bact... | would humans be apart of the j-shaped species or the s-shaped species ? |
key points : in exponential growth , a population 's per capita ( per individual ) growth rate stays the same regardless of population size , making the population grow faster and faster as it gets larger . in nature , populations may grow exponentially for some period , but they will ultimately be limited by resource ... | when population size , $ n $ , is plotted over time , a j-shaped growth curve is made . how do we model the exponential growth of a population ? as we mentioned briefly above , we get exponential growth when $ r $ ( the per capita rate of increase ) for our population is positive and constant . | which determines the type of model to be used , the researcher or the given data ? |
key points : in exponential growth , a population 's per capita ( per individual ) growth rate stays the same regardless of population size , making the population grow faster and faster as it gets larger . in nature , populations may grow exponentially for some period , but they will ultimately be limited by resource ... | $ r_ { max } $ is the maximum per capita rate of increase for a particular species under ideal conditions , and it varies from species to species . for instance , bacteria can reproduce much faster than humans , and would have a higher maximum per capita rate of increase . the maximum population growth rate for a speci... | what would be the maximum per capita rate of increase for bacteria ? |
key points : in exponential growth , a population 's per capita ( per individual ) growth rate stays the same regardless of population size , making the population grow faster and faster as it gets larger . in nature , populations may grow exponentially for some period , but they will ultimately be limited by resource ... | mathematical models of populations can be used to accurately describe changes occurring in a population and , importantly , to predict future changes . modeling population growth rates to understand the different models that are used to represent population dynamics , let 's start by looking at a general equation for t... | modeling population growth rates dn/dt=rn what eexactly does the d mean in this equation ? |
key points : in exponential growth , a population 's per capita ( per individual ) growth rate stays the same regardless of population size , making the population grow faster and faster as it gets larger . in nature , populations may grow exponentially for some period , but they will ultimately be limited by resource ... | these resources aren ’ t unlimited , and a population can only reach a size that match the availability of resources in its local environment . population ecologists use a variety of mathematical methods to model population dynamics ( how populations change in size and composition over time ) . some of these models rep... | what is the population as a function of time ? |
innovations in transportation , communication , and weapons transformed the world in the 20th century . humanity learned to fly , waged world wars , and sent astronauts to the moon . the modern era is the most complex yet , and the most fragile . learning to fly on december 17 , 1903 the wright brothers , orville and w... | the modern era is the most complex yet , and the most fragile . learning to fly on december 17 , 1903 the wright brothers , orville and wilbur , made the first manned flight in a mechanically powered airplane . the first flight lasted 12 seconds and covered 120 feet near kitty hawk , north carolina . flight technology ... | what was the first unmanned flying vehicle ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | we 're going to assume that the flow of the fluid is steady . by `` steady flow '' we mean that the speed of the fluid passing by a particular point in the pipe does n't change . in other words , if you stood and stared at any one particular section of the transparent pipe , you would see new water moving past you ever... | but i have a question about `` steady flow '' , do you mean that all molecules have the same velocity at any chosen point ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | it might be conceptually simplest to think of bernoulli 's principle as the fact that a fluid flowing from a high pressure region to a low pressure region will accelerate due to the net force along the direction of motion . the idea that regions where the fluid is moving fast will have lower pressure can seem strange .... | how is pressure on static fluid different from that of a moving fluid ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | how do you derive bernoulli 's equation ? consider the following diagram where water flows from left to right in a pipe that changes both area and height . as before , water will speed up and gain kinetic energy $ k $ at constrictions in the pipe , since the volume flow rate must be maintained for an incompressible flu... | `` , i have a question on why when the fluid flows from right to left ( from the narrow to wide region ) , the pressure p1 still acts to the right and p2 still acts to the left ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | we can either use absolute pressures in bernoulli 's equation and say that $ p_2=1.01\times 10^5 pa $ , or we can use gauge pressures and say that $ p_2=0 $ ( since gauge pressure measures pressure above atmospheric pressure ) . anytime we can include zeros it makes our life easier so we 'll use gauge pressure and use ... | why would we use +9.8 as our gravity , when it acts in the negative direction ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | you can choose to use gauge pressure or absolute pressure , but whichever kind of pressure you choose ( gauge or absolute ) must also be used on the other side of the equation . you ca n't insert the gauge pressure at point 1 , and the absolute pressure at point 2 . similarly , if you insert the gauge pressure at point... | hang on , is n't the pressure always supposed to be constant ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | similarly , if you insert the gauge pressure at point 1 and solve for the pressure at point 2 , the value you obtain will be the gauge pressure at point 2 ( not the absolute pressure ) . the terms $ \dfrac { 1 } { 2 } \rho v^2 $ and $ \rho gh $ in bernoulli 's equation look just like kinetic energy $ \dfrac { 1 } { 2 }... | in the water fountain engineering engineering problem , why did we subtract the kinetic energy density ( -0.5 rho v^2 ) at point 1 ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | we can express this mathematically as , $ w_ { external } = \delta ( { k+u } ) _ { system } $ first we 'll try to find the external work done $ w_ { external } $ on the water . none of the water between points 1 and 2 can do external work since that water is all part of our energy system . the only pressures that can d... | what do you mean by none of the water between points 1 and 2 can do external work since that water is all part of our energy system ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actually says . bernoulli 's principle... | so am i correct in assuming that bernoulli 's principle actually refers to the pressure opposing the flow of liquid ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | you can choose to use gauge pressure or absolute pressure , but whichever kind of pressure you choose ( gauge or absolute ) must also be used on the other side of the equation . you ca n't insert the gauge pressure at point 1 , and the absolute pressure at point 2 . similarly , if you insert the gauge pressure at point... | in the root beer sum , the pressure and velocity at point 2 are both lower than the pressure and velocity at point 1 , does n't this disprove bernoulli 's theorem ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | how can you derive bernoulli 's principle ? incompressible fluids have to speed up when they reach a narrow constricted section in order to maintain a constant volume flow rate . this is why a narrow nozzle on a hose causes water to speed up . | is n't flow rate donated by q ... what is difference btwn flux and flow rate ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | how can you derive bernoulli 's principle ? incompressible fluids have to speed up when they reach a narrow constricted section in order to maintain a constant volume flow rate . this is why a narrow nozzle on a hose causes water to speed up . | why do fluids have to maintain a constant volume flow rate ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | since the quantity $ p+\dfrac { 1 } { 2 } \rho v^2+\rho gh $ is the same at every point in a streamline , another way to write bernoulli 's equation is , $ p+\dfrac { 1 } { 2 } \rho v^2+\rho gh=\text { constant } $ this constant will be different for different fluid systems , but for a given steady state streamline non... | are there any exceptions to the bernoulli 's theorem ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | well , we have to make one more assumption to finish the derivation . we 're going to assume that the flow of the fluid is steady . by `` steady flow '' we mean that the speed of the fluid passing by a particular point in the pipe does n't change . | what is the difference between a steady flow and a turbulent flow ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | it just says that the pressure in a slower region of that same flowing system must have even larger pressure than the faster moving region . what is bernoulli 's equation ? bernoulli 's equation is essentially a more general and mathematical form of bernoulli 's principle that also takes into account changes in gravita... | does the bernoulli 's equation hold true for turbulent flow ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | we know that the water must speed up ( due to the continuity equation ) and therefore have a net positive amount of work done on it . so the work done by the force from pressure on the left side must be larger than the amount of negative work done by the force from pressure on the right side . this means that the press... | why are there molecules that cause negative work in the narrow side , p2 ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | similarly , if you insert the gauge pressure at point 1 and solve for the pressure at point 2 , the value you obtain will be the gauge pressure at point 2 ( not the absolute pressure ) . the terms $ \dfrac { 1 } { 2 } \rho v^2 $ and $ \rho gh $ in bernoulli 's equation look just like kinetic energy $ \dfrac { 1 } { 2 }... | in example 2 , why did n't you add the patm into the equation ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | work can be found with $ w=fd $ . we can plug in the formula for the force from pressure $ f=pa $ into the formula from work to get $ w=pad $ . so , the positive work done on our system by the water near point 1 will be $ w_1=p_1a_1d_1 $ and the work done by the water near point 2 will be $ w_2=-p_2a_2d_2 $ . | in `` how to derive bernouilli 's equation '' it states that the formula for the force depending on the pressure is f= pa , but should n't it be f=p/a ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | it just says that the pressure in a slower region of that same flowing system must have even larger pressure than the faster moving region . what is bernoulli 's equation ? bernoulli 's equation is essentially a more general and mathematical form of bernoulli 's principle that also takes into account changes in gravita... | what is does bernoulli 's equation mean exactly ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . | how does bernoulli 's principle relate to how airplanes fly ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | we had to assume steady flow , since otherwise our trick of canceling the energies of the middle section would not have worked . we had to assume incompressibility , since otherwise the volumes and masses would not necessarily be equal . since the quantity $ p+\dfrac { 1 } { 2 } \rho v^2+\rho gh $ is the same at every ... | in the root beer question where the radiuses are different , would it be possible to somehow adjust the system so that the pressures at both sections would be equal ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | water has a density of $ 1,000 \dfrac { kg } { m^3 } $ . what gauge pressure is required in the large underwater horizontal pipe for this fountain ? these bernoulli 's equation problems are complicated so we should draw a diagram of the situation and pick two points of interest . | how to calculate the pump power required for the fountain example ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | but notice that the energy of the fluid between the dashed lines will be the same as it was before the work was done assuming a steady flow . water changed position and speed in the region between the dashed lines , but it did so in such a way that it will be moving with the exact same speed ( e.g . $ v_a $ and $ v_b $... | why is the magnitude of g used rather than using -g ? |
what is bernoulli 's principle ? bernoulli 's principle is a seemingly counterintuitive statement about how the speed of a fluid relates to the pressure of the fluid . many people feel like bernoulli 's principle should n't be correct , but this might be due to a misunderstanding about what bernoulli 's principle actua... | in that case , what non-dissipative forces could be doing work on our fluid that cause it to speed up ? the pressure from the surrounding fluid will be causing a force that can do work and speed up a portion of fluid . consider the diagram below which shows water flowing along streamlines from left to right . | under the 'how can you derive ' portion , what 's causing the opposing streamline pressure at p2 ? |
what are pv diagrams ? consider a gas sealed in a container with a tightly fitting yet movable piston as seen below . we can do work on the gas by pressing the piston downward , and we can heat up the gas by placing the container over a flame or submerging it in a bath of boiling water . when we subject the gas to thes... | when we subject the gas to these thermodynamics processes , the pressure and volume of the gas can change . a convenient way to visualize these changes in the pressure and volume is by using a pressure volume diagram or pv diagram for short . each point on a pv diagram corresponds to a different state of the gas . | why does an upward and rightward shift in the pressure-volume diagram cause an increase in internal energy ? |
what are pv diagrams ? consider a gas sealed in a container with a tightly fitting yet movable piston as seen below . we can do work on the gas by pressing the piston downward , and we can heat up the gas by placing the container over a flame or submerging it in a bath of boiling water . when we subject the gas to thes... | the temperature $ t $ and internal energy $ u $ will end the process with the same values they started with . how do we determine the sign of $ q $ from a pv diagram ? given a pv diagram , we typically have to rely on the first law of thermodynamics $ \delta u=q+w $ to determine the sign of the net heat that enters or ... | the slope of the pv diagram has the units n/m^5 , does that mean anything ? |
what are pv diagrams ? consider a gas sealed in a container with a tightly fitting yet movable piston as seen below . we can do work on the gas by pressing the piston downward , and we can heat up the gas by placing the container over a flame or submerging it in a bath of boiling water . when we subject the gas to thes... | in the sections below , we 'll explain how to decipher the hidden information contained in a pv diagram . note : unless otherwise specified , we will assume that the work $ w $ refers to the work done on the gas . how do we determine the sign of the work done from a pv diagram ? let 's say our gas starts out in the sta... | why does the volume change determines work sign in the first place ? |
what are pv diagrams ? consider a gas sealed in a container with a tightly fitting yet movable piston as seen below . we can do work on the gas by pressing the piston downward , and we can heat up the gas by placing the container over a flame or submerging it in a bath of boiling water . when we subject the gas to thes... | for any curved path we can imagine breaking the area into an infinite amount of infinitesimally thin rectangles . the area of each rectangle would represent the work done during each infinitesimal step , and the sum of the areas would represent the total work done for the entire process . it should be said that we are ... | assuming particle physics ( somewhat out of context ) -- -at 0 degrees kelvin i am under the impression that particles come to a stop , yet , if the temperature was raised , let 's say by 3 degrees kelvin , i am assuming there would be motion of particles ( entropy ) and in this situation how much work would be accompl... |
what are pv diagrams ? consider a gas sealed in a container with a tightly fitting yet movable piston as seen below . we can do work on the gas by pressing the piston downward , and we can heat up the gas by placing the container over a flame or submerging it in a bath of boiling water . when we subject the gas to thes... | what is the work done on the gas during the process shown ? solution : we can find the work done by determining the total area under the curve on a pv diagram . we have to make sure we use the total area , all the way down to the volume axis . | does the curve length of a pv diagram mean anything or have any relation to the cycle itself ? |
what are pv diagrams ? consider a gas sealed in a container with a tightly fitting yet movable piston as seen below . we can do work on the gas by pressing the piston downward , and we can heat up the gas by placing the container over a flame or submerging it in a bath of boiling water . when we subject the gas to thes... | what are pv diagrams ? consider a gas sealed in a container with a tightly fitting yet movable piston as seen below . | so this means that these pv diagrams do not apply when a reaction is happening ? |
what are pv diagrams ? consider a gas sealed in a container with a tightly fitting yet movable piston as seen below . we can do work on the gas by pressing the piston downward , and we can heat up the gas by placing the container over a flame or submerging it in a bath of boiling water . when we subject the gas to thes... | which makes sense , since if the internal energy increased even though work was done by the gas , that implies that more heat must have entered the gas than energy lost due to the work done by the gas . or for example , if the internal energy decreases and the work is positive , $ q= ( - ) - ( + ) =-\qquad $ ... the ne... | how do i visualize what heat is then ? |
what are pv diagrams ? consider a gas sealed in a container with a tightly fitting yet movable piston as seen below . we can do work on the gas by pressing the piston downward , and we can heat up the gas by placing the container over a flame or submerging it in a bath of boiling water . when we subject the gas to thes... | which makes sense , since if the internal energy decreased even though work was done on the gas , that implies that more heat must have left the gas than energy gained by the gas from work being done on it . what do solved examples involving pv diagrams look like ? example 1 : finding signs an ideal gas in a sealed con... | yet , at that point , the temperature is at the same spot as the original temperature , because pv is propartional to t. what does this heat look like then ? |
what are pv diagrams ? consider a gas sealed in a container with a tightly fitting yet movable piston as seen below . we can do work on the gas by pressing the piston downward , and we can heat up the gas by placing the container over a flame or submerging it in a bath of boiling water . when we subject the gas to thes... | how do we determine the sign of $ \delta u $ from a pv diagram ? remember that internal energy and temperature are proportional $ u \propto t $ . so if the temperature increases , the internal energy must also increase . | what if we use energy to push the piston up ? |
what are pv diagrams ? consider a gas sealed in a container with a tightly fitting yet movable piston as seen below . we can do work on the gas by pressing the piston downward , and we can heat up the gas by placing the container over a flame or submerging it in a bath of boiling water . when we subject the gas to thes... | to determine the sign of the work done on the gas we notice that the process moves the state to the right , causing the gas to expand . when gas expands the work done on the gas is negative . so , $ w_\text { on gas } =-57,500 \text { j } \quad $ ( celebrate ) | the reason for this is that the work done on the gas during the bottom path of the rectangle ( which is negative ) will partially can ... ... ... ... ... ... .but how can work done on gas be negative for the bottom part where the gas is being compressed ( v decreases ) ? |
what are pv diagrams ? consider a gas sealed in a container with a tightly fitting yet movable piston as seen below . we can do work on the gas by pressing the piston downward , and we can heat up the gas by placing the container over a flame or submerging it in a bath of boiling water . when we subject the gas to thes... | we can do work on the gas by pressing the piston downward , and we can heat up the gas by placing the container over a flame or submerging it in a bath of boiling water . when we subject the gas to these thermodynamics processes , the pressure and volume of the gas can change . a convenient way to visualize these chang... | heading , how is it possible that pressure and volume both decrease assuming that the number of gas molecules and temperature remain constant ? |
what are pv diagrams ? consider a gas sealed in a container with a tightly fitting yet movable piston as seen below . we can do work on the gas by pressing the piston downward , and we can heat up the gas by placing the container over a flame or submerging it in a bath of boiling water . when we subject the gas to thes... | however , even though basically no real world processes will exactly satisfy this requirement , our ability to model many thermodynamic processes are not fatally jeopardized by this lack of adherence to ideal circumstances . how do we determine the sign of $ \delta u $ from a pv diagram ? remember that internal energy ... | if u is proportional to pv , should n't q have to equal zero or be constant for it to be true ? |
what are pv diagrams ? consider a gas sealed in a container with a tightly fitting yet movable piston as seen below . we can do work on the gas by pressing the piston downward , and we can heat up the gas by placing the container over a flame or submerging it in a bath of boiling water . when we subject the gas to thes... | what are pv diagrams ? consider a gas sealed in a container with a tightly fitting yet movable piston as seen below . | section , what does pv = nkbt mean ? |
what are pv diagrams ? consider a gas sealed in a container with a tightly fitting yet movable piston as seen below . we can do work on the gas by pressing the piston downward , and we can heat up the gas by placing the container over a flame or submerging it in a bath of boiling water . when we subject the gas to thes... | similarly , anytime the state in a pv diagram ends up further down and left than where it started , $ \delta u $ is a negative number . now if the state in the pv diagram moves up and left ( pressure increases and volume decreases ) , or down and right ( pressure decreases and volume increases ) , it is a little ambigu... | and also , in example 1 , the graph looks strange because the volume has decreased but how come the pressure is also decreased ? |
what are pv diagrams ? consider a gas sealed in a container with a tightly fitting yet movable piston as seen below . we can do work on the gas by pressing the piston downward , and we can heat up the gas by placing the container over a flame or submerging it in a bath of boiling water . when we subject the gas to thes... | remember that internal energy and temperature are proportional $ u \propto t $ . so if the temperature increases , the internal energy must also increase . now , if the gas we 're considering is an ideal gas we also know that , $ pv=nk_bt $ and if no gas is allowed to escape ( so the number of molecules $ n $ is consta... | why then do we say that internal energy increases when volume increases ? |
what you should be familiar with before taking this lesson a rational expression is a ratio of two polynomials . the domain of a rational expression includes all real numbers except those that make its denominator equal to zero . we can multiply rational expressions in much the same way that we multiply numerical fract... | it is easiest to use the factored form of these expressions . the dividend $ \dfrac { ( x+3 ) ( x-2 ) } { ( x+5 ) ( x-2 ) } $ is defined for $ x\neq -5,2 $ . the divisor $ \dfrac { x+3 } { x-5 } $ is defined for $ x\neq 5 $ , and is equal to zero for $ x=-3 $ . therefore , we can conclude that the resulting quotient is... | why in example two , under `` i need help '' , does it say that the divisor is defined for x not = to -2 , and equal to zero for x=7 , -1 and in example three , under `` i need help '' , does it say that the divisor is defined for x not = to 3,1 ? |
what you should be familiar with before taking this lesson a rational expression is a ratio of two polynomials . the domain of a rational expression includes all real numbers except those that make its denominator equal to zero . we can multiply rational expressions in much the same way that we multiply numerical fract... | $ \begin { align } & amp ; \phantom { = } \dfrac { x^2+x-6 } { x^2+3x-10 } \div \dfrac { x+3 } { x-5 } \\\ & amp ; =\dfrac { x^2+x-6 } { x^2+3x-10 } \cdot \dfrac { x-5 } { x+3 } & amp ; & amp ; \small { \gray { \text { multiply by the reciprocal } } } \ \ & amp ; =\dfrac { \blued { ( x+3 ) } \greend { ( x-2 ) } } { ( x... | how does one know when to use which wording ? |
what you should be familiar with before taking this lesson a rational expression is a ratio of two polynomials . the domain of a rational expression includes all real numbers except those that make its denominator equal to zero . we can multiply rational expressions in much the same way that we multiply numerical fract... | it is easiest to use the factored form of these expressions . the dividend $ \dfrac { ( x+3 ) ( x-2 ) } { ( x+5 ) ( x-2 ) } $ is defined for $ x\neq -5,2 $ . the divisor $ \dfrac { x+3 } { x-5 } $ is defined for $ x\neq 5 $ , and is equal to zero for $ x=-3 $ . | example 2 : when it is fully worked back through it is 2/ x^2-x-2 , is it appropriate to cancel out the numerator 2 with the denominator -2 resulting in - 1/x^2-x to simplify as far as possible ? |
what you should be familiar with before taking this lesson a rational expression is a ratio of two polynomials . the domain of a rational expression includes all real numbers except those that make its denominator equal to zero . we can multiply rational expressions in much the same way that we multiply numerical fract... | to summarize , the expression that is the result of $ \dfrac { a } { b } \div\dfrac { c } { d } $ is undefined when either $ b=0 $ , $ c=0 $ , or $ d=0 $ . let 's examine the dividend and the divisor in this problem to determine any domain restrictions . the dividend $ \dfrac { 3x^4 } { 4 } $ is defined for all $ x $ -... | for problem three why is the four left out of the factoring part of the equation ? |
what you should be familiar with before taking this lesson a rational expression is a ratio of two polynomials . the domain of a rational expression includes all real numbers except those that make its denominator equal to zero . we can multiply rational expressions in much the same way that we multiply numerical fract... | what you should be familiar with before taking this lesson a rational expression is a ratio of two polynomials . the domain of a rational expression includes all real numbers except those that make its denominator equal to zero . we can multiply rational expressions in much the same way that we multiply numerical fract... | what i do n't understand is-why ca n't the denominator in the divisor be = to zero ? |
we are developing methods for analyzing a circuit . so far we 've defined the most common components ( resistor , capacitor , and inductor ) and sources ( voltage and current ) . now we need a crisp vocabulary to talk about circuits . this article is a glossary of terms and concepts we use in circuit analysis and desig... | this article is a glossary of terms and concepts we use in circuit analysis and design . circuit circuit comes from the word circle . a circuit is a collection of real components , power sources , and signal sources , all connected so current can flow in a complete circle . | what does the voltage of a node measured against ground do to the voltage across other circuit elements in a circuit ? |
we are developing methods for analyzing a circuit . so far we 've defined the most common components ( resistor , capacitor , and inductor ) and sources ( voltage and current ) . now we need a crisp vocabulary to talk about circuits . this article is a glossary of terms and concepts we use in circuit analysis and desig... | this article is a glossary of terms and concepts we use in circuit analysis and design . circuit circuit comes from the word circle . a circuit is a collection of real components , power sources , and signal sources , all connected so current can flow in a complete circle . | if the voltage of a node measured against ground is 1 volt , will it increase the voltage across all circuit elements in a circuit by 1 volt ? |
we are developing methods for analyzing a circuit . so far we 've defined the most common components ( resistor , capacitor , and inductor ) and sources ( voltage and current ) . now we need a crisp vocabulary to talk about circuits . this article is a glossary of terms and concepts we use in circuit analysis and desig... | the ground node gets its name from the third meaning . but the other two are equally important . you will come across various symbols for ground : schematic equivalence we need to take a second to talk about the idea of schematic equivalence . | a battery ( source of charge ) has what two terminals ? |
we are developing methods for analyzing a circuit . so far we 've defined the most common components ( resistor , capacitor , and inductor ) and sources ( voltage and current ) . now we need a crisp vocabulary to talk about circuits . this article is a glossary of terms and concepts we use in circuit analysis and desig... | breaking a circuit is the opposite . opening a switch breaks the circuit . schematic a schematic is a drawing of a circuit . | what happens when the neutral wire breaks ? |
we are developing methods for analyzing a circuit . so far we 've defined the most common components ( resistor , capacitor , and inductor ) and sources ( voltage and current ) . now we need a crisp vocabulary to talk about circuits . this article is a glossary of terms and concepts we use in circuit analysis and desig... | ground is the reference point from which voltages are measured . the return path for electric current back to its source . a direct physical connection to the earth , which is important for safety . | will we get an electric shock when we touch it ? |
we are developing methods for analyzing a circuit . so far we 've defined the most common components ( resistor , capacitor , and inductor ) and sources ( voltage and current ) . now we need a crisp vocabulary to talk about circuits . this article is a glossary of terms and concepts we use in circuit analysis and desig... | do n't be distracted , it is all just one single node . connecting schematic elements with perfect conductors means the voltage everywhere on a distributed node is the same . here is a realistic-looking schematic with the distributed nodes labeled : branch – branches are the connections between nodes . | how to find voltage on a given node when the refrence voltage is given ? |
we are developing methods for analyzing a circuit . so far we 've defined the most common components ( resistor , capacitor , and inductor ) and sources ( voltage and current ) . now we need a crisp vocabulary to talk about circuits . this article is a glossary of terms and concepts we use in circuit analysis and desig... | this article is a glossary of terms and concepts we use in circuit analysis and design . circuit circuit comes from the word circle . a circuit is a collection of real components , power sources , and signal sources , all connected so current can flow in a complete circle . | how many nodes are in circuit b , d , e ? |
we are developing methods for analyzing a circuit . so far we 've defined the most common components ( resistor , capacitor , and inductor ) and sources ( voltage and current ) . now we need a crisp vocabulary to talk about circuits . this article is a glossary of terms and concepts we use in circuit analysis and desig... | symbols for common 2-terminal elements are shown here , lines – connections between elements are drawn as lines , which we often think of as `` wires '' . on a schematic , these lines represent perfect conductors with zero resistance . every component or source terminal touched by a line is at the same voltage . | what i understand is khan academy 's emf of circuit is already represented internal resistance inside of its symbol and my my professor 's version is 'you have to represent internal resistance by resistor itself' am i right ? |
we are developing methods for analyzing a circuit . so far we 've defined the most common components ( resistor , capacitor , and inductor ) and sources ( voltage and current ) . now we need a crisp vocabulary to talk about circuits . this article is a glossary of terms and concepts we use in circuit analysis and desig... | so far we 've defined the most common components ( resistor , capacitor , and inductor ) and sources ( voltage and current ) . now we need a crisp vocabulary to talk about circuits . this article is a glossary of terms and concepts we use in circuit analysis and design . | will there be examples of circuits used on a bread board in the future ? |
we are developing methods for analyzing a circuit . so far we 've defined the most common components ( resistor , capacitor , and inductor ) and sources ( voltage and current ) . now we need a crisp vocabulary to talk about circuits . this article is a glossary of terms and concepts we use in circuit analysis and desig... | this article is a glossary of terms and concepts we use in circuit analysis and design . circuit circuit comes from the word circle . a circuit is a collection of real components , power sources , and signal sources , all connected so current can flow in a complete circle . | is circuit h equivalent to circuits c and f ? |
introduction have you ever forgotten to water a plant for a few days , then come back to find your once-perky arugula a wilted mess ? if so , you already know that water balance is very important for plants . when a plant wilts , it does so because water moves out of its cells , causing them to lose the internal pressu... | there is no net water movement , so there is no change in the size of the cell . when a cell is placed in a hypotonic environment , water will enter the cell , and the cell will swell . in the case of a red blood cell , isotonic conditions are ideal , and your body has homeostatic ( stability-maintaining ) systems to e... | why does n't the pressure of the cell ( even a red blood cell that is n't rigid ) , balance out the net inflow in a hypotonic solution ? |
introduction have you ever forgotten to water a plant for a few days , then come back to find your once-perky arugula a wilted mess ? if so , you already know that water balance is very important for plants . when a plant wilts , it does so because water moves out of its cells , causing them to lose the internal pressu... | there is no net water movement , so there is no change in the size of the cell . when a cell is placed in a hypotonic environment , water will enter the cell , and the cell will swell . in the case of a red blood cell , isotonic conditions are ideal , and your body has homeostatic ( stability-maintaining ) systems to e... | what could be an example of solute in a plant cell ? |
introduction have you ever forgotten to water a plant for a few days , then come back to find your once-perky arugula a wilted mess ? if so , you already know that water balance is very important for plants . when a plant wilts , it does so because water moves out of its cells , causing them to lose the internal pressu... | if there are lots of molecules of a substance in compartment a and no molecules of that substance in compartment b , it ’ s very unlikely—impossible , actually—that a molecule will randomly move from b to a . on the other hand , it ’ s extremely likely that a molecule will move from a to b . you can picture all of thos... | what is ion and molecule ? |
introduction have you ever forgotten to water a plant for a few days , then come back to find your once-perky arugula a wilted mess ? if so , you already know that water balance is very important for plants . when a plant wilts , it does so because water moves out of its cells , causing them to lose the internal pressu... | maintaining this balance of water and solutes is very important to the health of the plant . if a plant is not watered , the extracellular fluid will become isotonic or hypertonic , causing water to leave the plant 's cells . this results in a loss of turgor pressure , which you have likely seen as wilting . | and how do elements become positive / negative charged ? |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.