The velocity of an electron is changed from c/2 in the -x direction to c/2 in the +x direction. As a result, its kinetic energy changes by: A) mc² B) 0.5mc² D) 2mc² E) zero

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The Answer of The velocity of an electron is changed from c/2 in the -x direction to c/2 in the +x direction. As a result, its kinetic energy changes by: A) mc² B) 0.5mc² D) 2mc² E) zero

The Velocity of an Electron Is Changed from C/2 in the -X