Question: An inventor proposes a heat engine to propel a ship, using the temperature difference between the water at the surface and the water 10 m

An inventor proposes a heat engine to propel a ship, using the temperature difference between the water at the surface and the water 10 m below the surface as the two reservoirs. If these temperatures are 15.0°C and 10.0°C, respectively, what is the maximum possible efficiency of the engine?

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