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A refrigerator operates at steady state with a coefficient of performance of 4 5 and a power input of 0 8 kW Energy is rejected

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A refrigerator operates at steady state with a coefficient of performance of 4 5 and a power input of 0 8 kW Energy is rejected from the refrigerator to the surroundings at 20 C by heat transfer from metal coils attached to the back Determine a the rate energy is rejected in kW b the lowest theoretical temperature inside the refrigerator in K

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