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physics

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An outboard motor for a boat is cooled by lake water at 16.0°C and has a compression ratio of 13.3. Assume that the air is a diatomic gas.

a) Calculate the efficiency of the engine's Otto cycle.

b) Using your answer to part (a) and the fact that the efficiency of the Carnot cycle is greater than that of the Otto cycle, calculate the maximum temperature (in °C) of the engine.

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