A vessel containing 5.0 kg of water at 10°C is put into a refrigerator. The 1/7 HP motor (1 HP = 746 W) runs for 5.0 minutes to cool the liquid to the refrigerator's low temperature, 0°C. What is the COP of the refrigerator?

A. 5.7
B. 4.6
C. 6.5
D. 7.2
E. 3.6


Answer: C

Physics & Space Science

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Fill in the blank(s) with correct word

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