Question:

What is the engine's thermal efficiency?

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A heat engine does 30 J of work per cycle while exhausting 50 J of waste heat.

What is the engine's thermal efficiency?

Express your answer using two significant figures.

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  1. Given:

    W(engine) = 30J

    Q(hot) = 50J

    e = W(engine) / Q(hot) =  ...

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