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July 28, 2014

Homework Help: Physics

Posted by Sam on Monday, November 26, 2012 at 4:27pm.

In each cycle of its operation, a heat engine expels 6,100 J of energy and performs 1,300 J of mechanical work.
(a) How much thermal energy must be added to the engine in each cycle? (J)

(b) Find the thermal efficiency of the engine. (%)

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