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October 20, 2014

Homework Help: PHYSICS DUE SOON

Posted by Ame on Thursday, November 29, 2012 at 3:47pm.

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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