問題詳情

57. The rest mass of an electron is mo. What is the kinetic energy of an electron with the speed of 0.80c? (The constant c is thespeed of light in vacuum.)
(A) 5c99cd3648d36.jpg
(B) 5c99cd4573171.jpg
(C) 5c99cd5530d0a.jpg
(D) 5c99cd6850b50.jpg
(E) 5c99cdd511fc3.jpg

參考答案

答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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