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Author Question: In beta decay, the emitted particle is a) an electron b) a photon of electromagnetic energy. ... (Read 74 times)

ishan

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on: Jul 28, 2018
In beta decay, the emitted particle is
   a) an electron
   b) a photon of electromagnetic energy.
   c) a hydrogen nucleus.
   d) the nucleus of a helium atom.
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Question 2

A 6.0-kg object moving 5.0 m/s collides with and sticks to a 2.0-kg object. After the collision the composite object is moving 2.0 m/s in a direction opposite to the initial direction of motion of the 6.0-kg object. Determine the speed of the 2.0-kg object before the collision.
 a. 15 m/s
  b. 7.0 m/s
  c. 8.0 m/s
  d. 23 m/s
  e. 11 m/s


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brittrenee

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

a

Answer to Question 2

d


ishan

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

chereeb

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Reply 3 on: Yesterday
Wow, this really help

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