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Author Question: What is the total energy of an electron moving with a speed of 0.95c? A) 2.6 10-13 J B) ... (Read 39 times)

captainjonesify

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What is the total energy of an electron moving with a speed of 0.95c?
 
  A)
 
  2.6  10-13 J
  B)
 
  8.2  10-14 J
  C)
 
  1.1  10-13 J
  D)
 
  1.2  10-14 J
  E)
 
  2.2  10-14 J

Question 2

A solid non-conducting sphere of radius R carries a charge Q distributed uniformly throughout its volume. At a radius r (r < R) from the center of the sphere the electric field has a value E.
 
  If the same charge Q were distributed uniformly throughout a sphere of radius 2R the magnitude of the electric field at a radius r would be equal to A)
 
  E/8.
  B)
 
  E/2.
  C)
 
  2E.
  D)
 
  8E.
  E)
 
  E.



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abro1885

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Answer to Question 1

A

Answer to Question 2

A




captainjonesify

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


xoxo123

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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