The heat engine receives 0.8 MC of heat from the heater and gives 0.6 MC of heat to the cooler. What is the Efficiency of this engine?
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Ответ: 75%
Объяснение:Efficiency = (Useful output energy / Input energy) * 100%
useful output energy in our case is 0.6MC, input energy is 0.8 MC, therefore inserting these into the formula, the efficiency becomes 75%
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