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Author Question: In a system with two moving objects, when a collision occurs between the objects: a. the total ... (Read 162 times)

imowrer

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on: Jul 28, 2018
In a system with two moving objects, when a collision occurs between the objects:
 a. the total kinetic energy is always conserved. b. the total momentum is always conserved. c. the total kinetic energy and total momentum are always conserved. d. neither the kinetic energy nor the momentum is conserved.

Question 2

A charge, +Q, is placed inside a balloon and the balloon is inflated. As the radius of the balloon r increases the number of field lines going through the surface of the balloon:
 a. increases proportional to r2.
  c. stays the same.
  b. increases proportional to r.
  d. decreases as 1/r.


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raenoj

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

B

Answer to Question 2

C


imowrer

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

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Reply 3 on: Yesterday
Wow, this really help

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