My refrigerator has cop of 500 its power input is 615w a, Physics

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My refrigerator has cop of 500 its power input is 615w a

my refrigerator has cop of 5.00. its power input is 615W . A sample of mass of water is 500 g and temp of 20C is placed into the freezer. how long does it take to freeze the water to 0C? assume that all parts stay at the same temp and there are no leaks of energy.

a) determine how long it takes for the water to freeze from room temp.

b) determine the COP of the fridge.

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Physics: My refrigerator has cop of 500 its power input is 615w a

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