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.37 SSM A heat pump is used to heat a building. The external temperature is less than the internal temperature. The pump's coef- ficient of

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.37 SSM A heat pump is used to heat a building. The external temperature is less than the internal temperature. The pump's coef- ficient of performance is 3.8, and the heat pump delivers 7.54 MJ as heat to the building each hour. If the heat pump is a Carnot engine working in reverse, at what rate must work be done to run it

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