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Author Question: An electron has an initial velocity to the south but is observed to curve upward as the result of a ... (Read 94 times)

vicky

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on: Jul 29, 2018
An electron has an initial velocity to the south but is observed to curve upward as the result of a magnetic field. This magnetic field must have a component
 
  A) to the west.
  B) to the east.
  C) upward.
  D) downward.
  E) to the north.

Question 2

A plastic rod is charged up by rubbing a wool cloth, and brought to an initially neutral metallic sphere that is insulated from ground. It is allowed to touch the sphere for a few seconds, and then is separated from the sphere by a small distance.
 
  After the rod is separated, the rod A) is repelled by the sphere.
  B) is attracted to the sphere.
  C) feels no force due to the sphere.


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Liddy

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

A

Answer to Question 2

A


vicky

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Reply 2 on: Jul 29, 2018
Wow, this really help

31809pancho

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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