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Author Question: State how the mechanical advantages and the efficiency of the inclined plane vary with the ... (Read 17 times)

sjones

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on: Jul 28, 2018
State how the mechanical advantages and the efficiency of the inclined plane vary with the inclination of the plane.

Question 2

A large, metallic, spherical shell has no net charge. It is supported on an insulating stand and has a small hole at the top. A small tack with charge Q is lowered on a silk thread through the hole into the interior of the shell. What is the charge on the inner surface of the shell now?
  1.Q
  2.Q/2
  3.0
  4.-Q/2
  5.-Q


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xMRAZ

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

Both AMA and TMA decrease with an increase in the angle theta b g  . The efficiency
will remain the same if friction is small enough to be neglected.

Answer to Question 2

3


sjones

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

Sarahjh

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Reply 3 on: Yesterday
Wow, this really help

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