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

Question 50

Multiple Choice

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) 2mc2
B) 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) 2mc<sup>2</sup> B) mc<sup>2</sup> C) mc<sup>2</sup> D) 0.5mc<sup>2</sup> E) 0 mc2
C) mc2
D) 0.5mc2
E) 0

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