Author Question: What is the relativistic kinetic energy of an electron moving at a speed of 2.00 108 m/s? (electron ... (Read 109 times)

jwb375

  • Hero Member
  • *****
  • Posts: 540
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

  • Sr. Member
  • ****
  • Posts: 303
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

For a complete list of videos, visit our video library