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06-25-2012   #1 (permalink)
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Default Not really homework but..

This has been bugging me..
Let us venture into thermodynamics. Well the conceptual part.

What is an example of a system that does work, gives off heat and matter all at the same time.
(how about dN/dt, dQ/dt and dV/dt all being non zero?)
My dad suggested the sun because it is spinning, but I would like a more obvious example.

Was a previous exam question.
Thanks
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Last edited by Nebula; 06-25-2012 at 05:41 AM.
 
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06-25-2012   #2 (permalink)
and more came out
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I'm not good with thermodynamics, so I might be stupid.

Is a car engine an acceptable answer?

That was the first thing that came to mind.
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Last edited by iFarted; 06-25-2012 at 11:14 AM. Reason: ksdahfkahfk
 
06-25-2012   #3 (permalink)
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Quote:
Originally Posted by iFarted
I'm not good with thermodynamics, so I might be stupid.

Is a car engine an acceptable answer?

That was the first thing that came to mind.
Let me see, pistons do work.
It definately emits heat.
Combustion of gas.

Yup that works. Thanks!
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