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Author Question: In a fission bomb explosion, how many neutrons on the average created during the fission of a 235U ... (Read 83 times)

Capo

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on: Jul 29, 2018
In a fission bomb explosion, how many neutrons on the average created during the fission of a 235U nucleus cause further fission in other uranium nuclei?
 
  A) None
  B) Less than one
  C) More than one
  D) One
  E) Ten

Question 2

Suppose you charge two transparencies by rubbing and then hold them near each other without letting them touch, and shake both of them back and forth. Regarding the electric and magnetic forces they exert on each other,
 
  A) they will exert both and electric and magnetic forces.
  B) they will exert neither electric nor magnetic forces because they are not in contact with each other.
  C) they will exert electric forces but not magnetic forces.
  D) they will exert magnetic forces but not electric forces.
  E) they will exert electromagnetic forces only after five o'clock on Friday afternoons.


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Sierray

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

C

Answer to Question 2

A


Capo

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Reply 2 on: Jul 29, 2018
Excellent

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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