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 p:i173uxr9 gnptsgezu4 s f,a4roton is 80% of its total energy3n/ 95- cqtwuj ixnok1. What is the momentumqw9 kou/ 1nix-c tj53n in $kg \cdot m/s$ 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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