question 8.49

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Belle Calforda3f
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Joined: Fri Sep 29, 2017 7:07 am

question 8.49

Postby Belle Calforda3f » Mon Jan 22, 2018 3:13 pm

regarding q: 8.49 why do we make -P(delta v) = -(delta n)rt negative on both sides?

Jakob von Morgenland 2C
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Re: question 8.49

Postby Jakob von Morgenland 2C » Mon Jan 22, 2018 4:25 pm

Since w=-PdeltaV, we make it negative on both sides to simply substitute the value in for work. And we know that if we make one side negative, we have to make the other side negative as well, so that's why it's -deltanRT.

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