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 126 times)

Brittanyd9008

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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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Answer to Question 1

A

Answer to Question 2

A



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