Energy and its Conservation

Energy and its Conservation problem 68

A 50-watt motor drives a refrigerator. The inside of the refrigerator has a temperature of 5 °C and emits heat at 59 °C. How much heat would the refrigerator pump out in 2 hours if it were an ideal machine? How much heat does it pump out in 2 hours as a non-ideal machine if the cooling effect of the refrigerator is 2.0?


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