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Author Question: An electron of mass 9.11 10-31 kg moves with a speed of 0.800c. What is its kinetic energy? (c = ... (Read 75 times)

Brittanyd9008

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on: Jul 28, 2018
An electron of mass 9.11  10-31 kg moves with a speed of 0.800c. What is its kinetic energy? (c = 3.00  108 m/s)
 a. 5.47  10-14 J
  c. 3.90  10-14 J
  b. 2.05  10-14 J
  d. 6.22  10-14 J

Question 2

An electron of mass 9.11  10-31 kg moves with a speed of 0.800c. What is its total energy? (c = 3.00  108 m/s)
 a. 13.7  10-14 J
  c. 4.80  10-14 J
  b. 10.2  10-14 J
  d. 7.30  10-14 J


Cheesycrackers

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

A

Answer to Question 2

A


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Brittanyd9008

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Reply #2 on: Jul 28, 2018
TY


Cheesycrackers

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Reply #3 on: Jul 28, 2018
You're welcome


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