An engine absorbs 172 kj from a hot reservoir at 277degc, Physics

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An engine absorbs 172 kj from a hot reservoir at 277degc

An engine absorbs 1.72 kJ from a hot reservoir at 277°C and expels 1.15 kJ to a cold reservoir at 27°C in each cycle.

(a) What is the engine's efficiency?

(b) How much work is done by the engine in each cycle?

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Physics: An engine absorbs 172 kj from a hot reservoir at 277degc

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