If an Electron (Rest Mass = 0

question 9

Multiple Choice

If an electron (rest mass = 0.511 MeV/c²) has a speed of 99% of that of light,what is its total energy?

• A)0.511 MeV
• B)0.750 MeV
• C)3.62 MeV
• D)7.33 MeV
• E)19.2 MeV

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