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An aircraft piston engine that burns gasoline (heat of combustion
5.0 * 10^7 J/kg) has a power output of 1.10 * 10^5 W. (a) How
much work does this engine do in 1.00 h? (b) This engine burns 34 kg
of gasoline per hour. How much heat does the engine take in per hour?
(c) What is the efficiency of the engine?

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