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Author Question: A moon of mass 4.00 1015 kg is in a circular orbit of radius 1.00 105 km about a planet of mass ... (Read 157 times)

maychende

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on: Jul 29, 2018
A moon of mass 4.00  1015 kg is in a circular orbit of radius 1.00  105 km about a planet of mass 6.00  1020 kg. Determine the potential energy of the system.
 
  A)
 
  1.60  1010 J
  B)
 
  2.40  1031 J
  C)
 
  -1.60  1010 J
  D)
 
  -6.67  105 J
  E)
 
  -1.60  1018 J

Question 2

A charge Q is uniformly distributed throughout a nonconducting sphere of radius R.
 
  (a) What is the magnitude of the electric field at a distance R/2 from the center of the sphere? (b) What is the magnitude of the electric field at a distance 2R from the center of the sphere?


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pami445

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

E

Answer to Question 2

(a) Q/8 OR2
(b) Q/16 OR2


maychende

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Reply 2 on: Jul 29, 2018
Gracias!

Joy Chen

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Reply 3 on: Yesterday
:D TYSM

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