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 6.7 × 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 2.1 × 105 J of work. What is the magnitude of the heat that he has lost?a:b:

The change in the internal energy is given as ΔU=-8.0×05 J Here, the negative sign represents the…

Answered: In a game of football outdoors on a…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter17: Energy In Thermal Processes: The First Law Of Thermodynamics

Section: Chapter Questions

Problem 12OQ: If a gas is compressed isothermally, which of the following statements is true? (a) Energy is...

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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 6.7 × 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 2.1 × 10⁵ J of work. What is the magnitude of the heat that he has lost?

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