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Author Question: What is the relativistic kinetic energy of an electron moving at a speed of 2.00 108 m/s? (electron ... (Read 105 times)

jwb375

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  • Posts: 540
on: Jul 28, 2018
What is the relativistic kinetic energy of an electron moving at a speed of 2.00  108 m/s? (electron mass is 9.11  10-31 kg and c = 3.00  108 m/s)
 a. 2.80  10-14 J
  c. 11.6  10-14 J
  b. 1.27  10-14 J
  d. 9.47  10-14 J

Question 2

What is the total energy of a proton moving at a speed of 2.10  108 m/s? (proton mass is 1.67  10-27 kg and c = 3.00  108 m/s)
 a. 1.11  10-27 J
  c. 2.02  10-10 J
  b. 2.10  10-10 J
  d. 2.24  10-27 J


briseldagonzales

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

A

Answer to Question 2

B


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