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April 18, 2014

Homework Help: physics

Posted by maria on Sunday, January 1, 2012 at 9:39am.

With each cycle, a 2650-W engine extracts 2330 J from a thermal reservoir at 85.1C and expels 1840 J into a thermal reservoir at 20.9C.

a) What is the work done for each cycle?

b) What is the engine's efficiency?

c) How much time does each cycle take?

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