Suppose a Carnot engine that has an efficiency of 52% and a cold reservoir temperature of 31 degrees Celcius. what must the hot reservoir temperature be, in celcius, for a real heat engine that has an efficiency of 52, which is 70% of the maximum efficiency? Assume cold reservoir is still 31 degrees celcius.

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A: The given values are,

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A: Efficiency of the Carnot heat engine is,

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A:

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A: a)

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A:

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A: The probelm can be solved as fllows

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A:

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A: