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· · A basketball player does 2.43 × 105 J of work during
Chapter 18, Problem 7P(choose chapter or problem)
Problem 7P
· · A basketball player does 2.43 × 105 J of work during her time in the game, and evaporates 0.110 kg of water. Assuming a latent heat of 2.26 × 106 J/kg for the perspiration (the same as for water), determine (a) the change in the player's internal energy and (b) the number of nutritional calories the player has converted to work and heat.
Questions & Answers
QUESTION:
Problem 7P
· · A basketball player does 2.43 × 105 J of work during her time in the game, and evaporates 0.110 kg of water. Assuming a latent heat of 2.26 × 106 J/kg for the perspiration (the same as for water), determine (a) the change in the player's internal energy and (b) the number of nutritional calories the player has converted to work and heat.
ANSWER:
Step 1 of 4
To calculate the player’s change in internal energy.
The equation for change in internal energy,
Where Q- Heat added to the system
And W- Work done by the system