In a game of football outdoors on a cold day, a player will begin to feel exhausted after using approximately 8.0 × 105 J of internal energy. (a) One player, dressed too lightly for the weather, has to leave the game after losing 6.6 × 105 J of heat. How much work has he done? (b) Another player, wearing clothes that offer better protection against heat loss, is able to remain in the game long enough to do 2.9 × 105 J of work. What is the magnitude of the heat that he has lost?(a) number units(b) number units

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College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter12: The Laws Of Thermodynamics

Section: Chapter Questions

Problem 67AP

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In a game of football outdoors on a cold day, a player will begin to feel exhausted after using approximately 8.0 × 10⁵ J of internal energy. (a) One player, dressed too lightly for the weather, has to leave the game after losing 6.6 × 10⁵ J of heat. How much work has he done? (b) Another player, wearing clothes that offer better protection against heat loss, is able to remain in the game long enough to do 2.9 × 10⁵ J of work. What is the magnitude of the heat that he has lost?

(a) number units

(b) number units

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