23. The Second Law of Thermodynamics
Heat Engines and the Second Law of Thermodynamics
Problem 21a
Textbook Question
Textbook QuestionA Carnot refrigerator operates between energy reservoirs at 0℃ and 250℃. A 2.4-cm-diameter, 50-cm-long copper bar connects the two energy reservoirs. At what rate, in W, must work be done on the refrigerator to remove heat from the cold reservoir at the same rate that it arrives through the copper bar?
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