(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

The latex document for these equations wasnt updating correctly, so Ive included them as an attachment whereever there is a ... in the text

Ok, Im trying to understand the Reynolds transport theorem, but i dont understand part of it.

2. Relevant equations

This is the actual equation Im specifically interested in:

...

3. The attempt at a solution

Now I know one term would be just the chain rule for f(phi)

...

, but Im not sure how the derivative works for the other term to lower the order to a surface derivative.

From texts I found, I guess the answer should be something like,

...

but I dont really understand how to explicity take the derivative of the integral to lower the order.

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# Homework Help: Reynolds Transport derivation?(or 1-form Stokes)

Can you offer guidance or do you also need help?

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