OWhat is the efficiency of an out-of-condition professor who does 1.90 X 10 J of useful work while metabolizing 490 kcal of food energy? (Enter your answer as a percentage. Enter a number.) OHOW many food calories (in kcal) would a well-conditioned athlete metabolize in doing the same work with an efficiency of 25%? (Enter a number.) kcal

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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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(a) What is the efficiency of an out-of-condition professor who does 1.90 × 10° ) of useful work while metabolizing 490 kcal of food energy? (Enter your answer as a percentage. Enter a number.)
%
(b) How many food calories (in kcal) would a well-conditioned athlete metabolize in doing the same work with an efficiency of 25%? (Enter a number.)
kcal
Transcribed Image Text:(a) What is the efficiency of an out-of-condition professor who does 1.90 × 10° ) of useful work while metabolizing 490 kcal of food energy? (Enter your answer as a percentage. Enter a number.) % (b) How many food calories (in kcal) would a well-conditioned athlete metabolize in doing the same work with an efficiency of 25%? (Enter a number.) kcal
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