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Author Question: In a two-body collision, if the momentum of the system is conserved, then which of the following ... (Read 77 times)

daltonest1984

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on: Jul 28, 2018
In a two-body collision, if the momentum of the system is conserved, then which of the following best describes the kinetic energy after the collision?
 a. must be less
  c. may also be conserved
  b. must also be conserved
  d. is doubled in value

Question 2

How can a charged object attract an uncharged object made of non-conducting material?
 a. The charges in the uncharged object can become polarized. b. The uncharged object must somehow gain a like charge.
  c. Attraction of an insulator is not possible.
  d. The uncharged object must somehow gain an unlike charge.


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SVictor

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

C

Answer to Question 2

A


daltonest1984

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


SVictor

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


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