問題詳情

57. The rest mass of an electron is 5ed8819e2acf5.jpgWhat is the kinetic energy of an electron with the speed of 0.80c? (The constant c is thespeed of light in vacuum.)
(A) 5ed881b8112c8.jpg
(B) 5ed88221d4d97.jpg
(C) 5ed8827208820.jpg
(D) 5ed8828040759.jpg
(E) 5ed882979679d.jpg



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