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Author Question: A 0.50-mF capacitor is connected to a 400-V battery. What potential energy is stored in the ... (Read 165 times)

dejastew

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on: Jul 28, 2018
A 0.50-mF capacitor is connected to a 400-V battery. What potential energy is stored in the capacitor?
 a. 0.020 J
  c. 1.0  10-4 J
  b. 0.040 J
  d. 1.2  10-12 J

Question 2

The Earth moves about the Sun in an elliptical orbit. As the Earth moves closer to the Sun, which of the following best describes the Earth-Sun system's moment of inertia?
 a. decreases
  c. remains constant
  b. increases
  d. None of the above choices are valid.


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Beatricemm

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

B

Answer to Question 2

A


dejastew

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

xiazhe

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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