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Author Question: Two charged particles are placed a short distance apart, in vacuum. The electric force by one on the ... (Read 52 times)

Redwolflake15

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on: Jul 29, 2018
Two charged particles are placed a short distance apart, in vacuum. The electric force by one on the other
 
  A) is transmitted instantaneously.
  B) is due to gravity.
  C) is due to friction.
  D) cannot be felt due to the vacuum.
  E) is transmitted at the speed of light.

Question 2

A 2-kg rifle is horizontally suspended by a pair of strings so that recoil can be measured. The rifle fires a 0.001-kg bullet at a speed of 200 m/s. The recoil velocity of the rifle is about
 
  A) 0.001 m/s.
  B) 0.01 m/s.
  C) 0.1 m/s.
  D) 1 m/s.
  E) none of the above


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kishoreddi

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Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

Answer: C


Redwolflake15

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


kishoreddi

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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