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Author Question: The inductive reactance of a 20.0-mH inductor at a certain frequency is 120 . What is the frequency ... (Read 85 times)

elizabeth18

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on: Jul 29, 2018
The inductive reactance of a 20.0-mH inductor at a certain frequency is 120 . What is the frequency in Hz?
 
  A)
 
  120 Hz
  B)
 
  167 Hz
  C)
 
  478 Hz
  D)
 
  6000 Hz
  E)
 
  955 Hz

Question 2

A spherical shell of inner diameter R and outer diameter 3R has a uniform density . What is the magnitude of the gravitational acceleration a distance 2R from the center of the spherical shell?
 
  A)
 
  15GR/7
 
  B)
 
  32GR/5
 
  C)
 
  25GR/12
 
  D)
 
  7GR/6
 
  E)
 
  7GR/3


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nekcihc358

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

E

Answer to Question 2

E


elizabeth18

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Reply 2 on: Jul 29, 2018
Excellent

bdobbins

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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