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Part A A heat engine operating between energy reservoirs at 20C and 650 C has 25 % of the maximum possible efficiency. How much energy

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Part A A heat engine operating between energy reservoirs at 20"C and 650 "C has 25 % of the maximum possible efficiency. How much energy must this engine extract from the hot reservoir to do 900 J of work? Express your answer to two significant figures and include the appropriate units. HA ? QH = Value Units Submit Previous Answers Request

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