Kinetic molecular theory of gases | Physics | Khan Academy

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Created by David SantoPietro.

Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.

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Idk how but some physics teachers know how to confuse perfectly and this video helped me

arunadominic
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Why did we take delta t to ne equal to 2l/v...I thought delta t is the time of action if the force that causes the change in momentum

danielhenrychibor
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Have not taken college-level physics and this made perfect sense, thank you.

TheRealKilgoreTrout
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7:12 "I promised you a relationship between P and V. But, Ultimately, the video was awesome. I didn't have to read my textbook after this. Super cool. Thanks!

aeroboi
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How can we substitute the value of the time between collisions as a contact time for impulse equation?

adarbarandalgic
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@ 2:11 Because F = m . a = m . dv/dt = dp/dt

jacobvandijk
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The del(t) is for 1 collision right so why wasn't it divided by 2 ??

sarthakbindal
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why is (1/2)*m*Vtot^2averaged the average kinetic energy of one molecule?

negoitamihai
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Thanks, you are a great help. Long may you continue

prateeksaini
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sangat bermanfaat hingga menggangu tidur kita

EMET
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caalysis by vedantu recommended this ... who is here from there ??

gauravkaushik
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isnt pv=n"R"t r and k arent equal?

revanth
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Where did we assume that these molecules should be monoatomic. Why can they be polyatomic?

agranavaratne
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And what exactly is the point of doing dozens of equations just to get to one formula? Get to the point, please. Online learning is already fucking stressful enough without sitting through 10 minutes of gibberish.

thatfishinchernobyl