A with each cycle a 2430-w engine extracts 2080 j from a, Ask an Expert

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(a) With each cycle, a 2430-W engine extracts 2080 J from a thermal reservoir at 90 °C and expels 1510 J into a thermal reservoir at 20 °C. What is the work done for each cycle?

(b) What is the engine's efficiency? (Be sure to enter your answer in decimal format and not as a percent.)

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