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A steam engine operates between a hot reservoir at 500C and a cold reservoir at 20C. The engine has an efficiency of 30% and takes

A steam engine operates between a hot reservoir at 500C and a cold reservoir at 20C. The engine has an efficiency of 30% and takes in 8000 J of heat energy from the hot reservoir in each cycle. How much heat energy is expelled to the cold reservoir in each cycle? ans: (5600 J)

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