本题目来源于试卷: Physics Unit26: Special Theory of Relativity，类别为 国际高中通用物理
[单选题]
The kinetic energy of a proton is 80% of its total energy. What is t9 kt:gu taebr.n2tl7 1tbs(iwsa utqal m85bq i xf;316v;t(/he momentum is3xvib ; (q q;lf1(w8bs5a /tt6atmiun $kg \cdot m/s$ 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:
暂无
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