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Author Question: I drop a 60-g golf ball from 2.0 m high. It rebounds to 1.3 m. How much energy is lost? a. 0.29 J ... (Read 69 times)

TVarnum

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on: Jul 28, 2018
I drop a 60-g golf ball from 2.0 m high. It rebounds to 1.3 m. How much energy is lost?
 a. 0.29 J
  c. 0.88 J
  b. 0.41 J
  d. 1.0 J

Question 2

The surface of the Sun is at approximately 5700 K, and the temperature of the Earth's surface is about 290 K. What total entropy change occurs when 2000 J of heat energy is transferred from the Sun to the Earth?
 a. 5.78 J/K
  c. 7.24 J/K
  b. 5.97 J/K
  d. 6.55 J/K


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dajones82

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

B

Answer to Question 2

D


TVarnum

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Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

duy1981999

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Reply 3 on: Yesterday
Gracias!

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