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(b) What is the electron speed as a fraction of the speed of light?
(c) BONUS QUESTION: The accelerating electric field has a magnitude of 105 Vm¯¹.
What are the initial and final accelerations on the electron?

2)
An electron is accelerated from rest in a uniform electric field until its total energy is twice
its rest energy.
(a) What is the kinetic energy in electron volts?

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