What is the minimum coefficient of performance, Mechanical Engineering

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What is the minimum coefficient of performance

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Q: A farmer runs a heat pump with a 2 kW motor. It should keep a chicken hatchery at 30oC, which loses energy at a rate of 10 kW to the colder ambient Tamb. What is the minimum coefficient of performance that will be acceptable for the heat pump? You should solve the given problem step by step

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