Question: In one circle a heat engine absorbs 5 0 0 J from a high temperature reservoir and expels 3 0 0 J to low -

In one circle a heat engine absorbs 500 J from a high temperature reservoir and expels 300 J to low-temperature reservoir. If the efficiency of this engine is 60% of the efficiency of a Carnot engine, what is the ratio of the low temperature to the high temperature in the Carnot engine?

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