Calculate the amount of energy needed to accelerate an electron from 0.888 c to 0.991 c.Express your answer in MeV.
A)2.71 MeV
B)1.89 MeV
C)4.60 MeV
D)5.68 MeV

Question

Quizplus · Accepted Answer

The energy needed can be calculated using the relativistic kinetic energy formula. The change in kinetic energy is the difference in energy at 0.991c and 0.888c. Calculating this gives approximately 2.71 MeV.

Calculate the Amount of Energy Needed to Accelerate an Electron