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Author Question: An alpha particle (mass = 6.68 10-27 kg) is emitted from a radioactive nucleus with an energy of ... (Read 72 times)

silviawilliams41

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on: Jul 28, 2018
An alpha particle (mass = 6.68  10-27 kg) is emitted from a radioactive nucleus with an energy of 6.22 MeV. How fast is the alpha particle moving in m/s? (1 MeV = 1.6  10-13 J)
 a. 3.70  106 m/s
  c. 1.55  107 m/s
  b. 1.73  107 m/s
  d. 1.85  106 m/s

Question 2

The neutron is radioactive and can beta decay to form a proton. This can occur primarily because:
 a. the neutron is neutral.
  b. of the binding energy of hydrogen.
  c. the proton has less mass than a neutron.
  d. there are several hydrogen isotopes.


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cuttiesgirl16

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


silviawilliams41

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Reply 2 on: Jul 28, 2018
Gracias!

cpetit11

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Reply 3 on: Yesterday
:D TYSM

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