Rest mass energy of an electron is 0 51Mev If this electron is moving with a velocity 0 8c - Physics - Dual Nature Of Radiation And Matter

Question

Rest mass energy of an electron is 0 51Mev If this electron is
moving with a velocity 0 8c ( where c is the velocity of light in
vaccum), then the kinetic energy of the electron should be:

Rishav Kumar · Accepted Answer

Rest mass energy of an electron is 0.51Mev. If this electron is moving with a velocity 0.8c ( where c is the velocity of light in vaccum), then the kinetic energy of the electron should be: