A particular heat engine has a useful power output of 580, Ask an Expert

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A particular heat engine has a useful power output of 5.80 kW and an efficiency of 21.0%. In each cycle, the engine expels 8450 J of exhaust energy.

a) Find the energy taken in during eachcycle.
_______________ kJ

b) Find the time interval for each cycle.
_______________ s

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