A refrigerator with a coefficient of performance of 1.75 absorbs 3.45 104 J of heat from
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A refrigerator with a coefficient of performance of 1.75 absorbs 3.45 × 104 J of heat from the low-temperature reservoir during each cycle.
(a) How much mechanical work is required to operate the refrigerator for a cycle?
(b) How much heat does the refrigerator discard to the high-temperature reservoir during each cycle?
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