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Physics Question?
A heat engine operating between energy reservoirs at 20 degrees C and 600 degrees C has 30% of the maximum possible efficiency.
How much energy must this engine extract from the hot reservoir to do 1000 J of work?
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- Anonymous1 decade agoFavorite Answer
The efficiency of a heat engine cycle is given by
efficiency = Work/Q(hot)
Q(hot) = (1000Joules)/30% = 3333.33333 Joules
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