# Speed of an Electron whose Kinetic Energy is Twice as Large

Calculate the speed of an electron ehose kinetic energy is twice as large as its rest mass energy. Express V in C ( light speed).

(Relativistic kinetic energy)

P.S. Please help me with this as detailed as possible so I can understand the entire process. Thank you.

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Kinetic Energy of an electron is

K E =1/2 m V^2 --------(Laws ...

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Calculate the speed of an electron whose kinetic energy is twice as large as its rest mass energy.

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