Answer to Question #185169 in Physics for maud seir

Question #185169

How much work does an engine do if it takes in 1700 J of heat and expels 700 J?

Expert's answer

The law of conservation of energy (first law of thermodynamics) says

"W=Q_1-Q_2=\\rm 1700\\: J-700\\: J=1000\\: J"

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