Thermodynamics (part 2)
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Pa is not N/m^3
it is N/m^2 !
but thanks for the vid anyway!!!!!!
2 years ago 41
All Comments (76)
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You have yet to define K (constant). I am trying to follow but am not. K has no meaning to me. In the context it seems like it means proportion
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i want peanuts now, thanks a lot!
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quit coughing in my ear!
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Why is it he had to dance around the math problem? I mean just say it straight p1.v1 = K = p2. v2. So to solve for pressure two p1.v1/v2 is (500.50)/20 = (25000)/20= 1250pa all the canceling and redesigning of the equation hides how completly straight forward the equation is. It is multiplication of the initial pressure 500 and volume 50 divided by the new volume 20 givieing the new pressure 1250 pascal!
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my high school science department is a joke thank god for these videos
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@TheDarkWolf94 it's been established.....repeatedly.
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Pascals are N m^{-2} not N m ^{-3} by the way!
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@narcomanel Don't be flippant.
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@StAndAl0neCompl3x Yeah except that this is a physics video.
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He scared me when he coughed o.O
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There is a small mistake in the beginning of the lecture. You say the unit pascal represents N/m^3, which, as far as I know, should be N/m^2 (force on a surface).
Great lecture though, thanks very much for this series on thermodynamics :)
Max11551 3 years ago 48
Thanks for catching that. My brain malfunctions a lot and even more often while recording videos :)
khanacademy 3 years ago 32