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Part A A Carnot refrigerator operating between -30.0 * C and + 40.0 *C extracts heat from the cold reservoir at the rate 300 J/s

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Part A A Carnot refrigerator operating between -30.0 * C and + 40.0 *C extracts heat from the cold reservoir at the rate 300 J/s . What is the coefficient of performance of this refrigerator? > View Available Hint(s) VO ? Submit Part B What is the rate at which work is done on the refrigerator? Express your answer with the appropriate units. > View Available Hint(s) ? Value Units Submit

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