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Author Question: An electron has a kinetic energy that is twice its rest energy. Determine its speed. a. 0.76 c b. ... (Read 83 times)

Jramos095

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on: Jul 28, 2018
An electron has a kinetic energy that is twice its rest energy. Determine its speed.
 a. 0.76 c
  b. 0.81 c
  c. 0.94 c
  d. 0.54 c
  e. 0.87 c

Question 2

Comets are composed of ______________.
 a. dust and ice
  b. rock
  c. helium
  d. lead
  e. iron


Brenm

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

c

Answer to Question 2

a


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