本题目来源于试卷: Physics Unit26: Special Theory of Relativity,类别为 通用国际物理
[单选题]
The kinetic energy of a g,9qqz5 pco3(uz5pc5 a dnl.qproton ised)6u;; jen t((scjko kf; s2l 80% of its total energy. What is the momentum in(t;; (cksjdn 6l2)ef; sojeuk $kg \cdot m/s$ of the proton?
A. $5.0 \times 10^{-19} \; kg \cdot m/s$
B. $2.5 \times 10^{-19} \; kg \cdot m/s$
C. $5.0 \times 10^{-18} \; kg \cdot m/s$
D. $2.5 \times 10^{-18} \; kg \cdot m/s$
参考答案: D
本题详细解析:
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