Question: at A heat engine operates between a cold reservoir a hot reservoir temperature T = 300 K and temperature T. It takes 200 J

at A heat engine operates between a cold reservoir a hot reservoir

at A heat engine operates between a cold reservoir a hot reservoir temperature T = 300 K and temperature T. It takes 200 J of heat from the hot reservoir and delivers 120 J of heat to the cold reservoir in a cycle. What could be the minimum temperature of the hot reservoir ? at

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