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A heat engine has a mechanical output power of 5.00 kW and an efficiency of 25%. The machine expels 8.00 x 10high 3 J of

A heat engine has a mechanical output power of 5.00 kW and an efficiency of 25%. The machine expels 8.00 x 10high 3 J of exhaust energy each cycle. Find (a) the energy it admits during each cycle and (b) the time interval for each cycle.

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