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Author Question: A hill is 200 m long and makes an angle of 12 with the horizontal. As a 50-kg jogger runs up the ... (Read 92 times)

jace

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on: Jul 28, 2018
A hill is 200 m long and makes an angle of 12 with the horizontal. As a 50-kg jogger runs up the hill, how much work does gravity do on the jogger?
 a. 98,000 J
  c. 20,000 J
  b. -20,000 J
  d. zero

Question 2

In an isochoric process where the pressure increases from to , does the internal energy of the system increase or decrease and does the temperature increase or decrease?
 a. The internal energy increases and the temperature decreases.
  b. The internal energy increases and the temperature increases.
  c. The internal energy decreases and the temperature decreases.
  d. The internal energy decreases and the temperature increases.


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polinasid

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

B


jace

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Reply #2 on: Jul 28, 2018
Thank you!


polinasid

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Reply #3 on: Jul 28, 2018
Always glad to help...


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