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

Reference no: EM131015844

(a) What is the efficiency of an out-of-condition professor who does 1.90x10⁵ 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 25%?

Reference no: EM131015844

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