Efficiency Definition and 901 Threads

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    The Efficiency of Heat Engines: Calculating Work Output from 150J Heat Input

    A heat engine has efficiency of 35% and receives 150J heat per cycle. how much work dos it perfrom in each cycle? I said 52.5J w=e*q_h = .35 * 150 = 52.5 its wrong what did i do wrong with this calculation. unless it mean 150J of put in. can anyone please explain this to me. TY...
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