(a) What is the efficiency of an out-of-condition person who does 2.10 10 5 J of...
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(a) What is the efficiency of an out-of-condition person who does 2.10 × 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%?
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a we need to use the following formula Efficiency Useful Work Output Input Energy In this case Usefu...View the full answer
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