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Author Question: Suppose that in a certain collection of nuclei there were initially 1024 nuclei and 20 minutes later ... (Read 57 times)

AEWBW

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on: Jul 27, 2018
Suppose that in a certain collection of nuclei there were initially 1024 nuclei and 20 minutes later there was only one nuclei left, the others having decayed.
 
  On the basis of this information, how many nuclei would you estimate decayed in the first 6 minutes?

Question 2

The Q value for a particular reaction is -2.4 MeV, and the reaction's threshold energy is 9.60 MeV. What is the ratio of the mass of the incident particle to the mass of the stationary target nucleus?
 
  A) 5
  B) -0.75
  C) 3
  D) 0.25
  E) 4


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yasmin

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Reply #1 on: Jul 27, 2018
Answer to Question 1

896

Answer to Question 2

C


AEWBW

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

bigcheese9

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Reply 3 on: Yesterday
Gracias!

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