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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?
J
(c) What is the power output of the engine if each cycle lasts 0.301 s?
kW
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