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Author Question: If a 2.0-MeV neutron released in a fission reaction loses half its energy in each moderator ... (Read 32 times)

jeatrice

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on: Jul 29, 2018
If a 2.0-MeV neutron released in a fission reaction loses half its energy in each moderator collision, how many collisions are needed to bring it to (1/25 ) eV?
 
  A)
 
  6
  B)
 
  18
  C)
 
  26
  D)
 
  30
  E)
 
  4

Question 2

A 5.0-C charge is 10 m from a small test charge. What is the magnitude and direction of the electric field at the location of the test charge?
 
  What will be an ideal response?


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chloejackso

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

C

Answer to Question 2

4.5  108 N/C, directed away from the 5.0 C


jeatrice

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Reply 2 on: Jul 29, 2018
:D TYSM

atrochim

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

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