A household refrigerator that has a power input of 450 w

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Reference no: EM13631991

A household refrigerator that has a power input of 450 W and a COP of 2.5 is to cool five large watermelons, 10 kg each, to 8 degrees celsius. if the watermelons are initially at 20 degrees celsius, determine how long it will take for the refrigerator to cool them, is your answer realistic or optimistic, explain.

Reference no: EM13631991

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