Question
In a tennis game, a player has taken 1.00 kg of water that has been evaporated through perspiration (latent heat of vaporization, 2.41x 106 J/kg) and done 1.00x 10° J of
work. Estimate (a) the internal energy change of the player and (b) the minimum nutrition Calories needed to restore his energy level.
(a) - 3.41
(b) 8.146
x 106 J;
X Calories.
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Transcribed Image Text

In a tennis game, a player has taken 1.00 kg of water that has been evaporated through perspiration (latent heat of vaporization, 2.41x 106 J/kg) and done 1.00x 10° J of work. Estimate (a) the internal energy change of the player and (b) the minimum nutrition Calories needed to restore his energy level. (a) - 3.41 (b) 8.146 x 106 J; X Calories.

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