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What is the efficiency of an out-of-condition professor

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Reference no: EM132591397

(a) What is the efficiency of an out-of-condition professor who does 2.30 ? 105 J of useful work while metabolizing 500 kcal of food energy?

(b) How many food calories would a well-conditioned athlete metabolize in doing the same work with an efficiency of 20%?

Reference no: EM132591397

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