Physics Unit26: Special Theory of Relativity (id: d7ccad3f6)

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本题目来源于试卷: Physics Unit26: Special Theory of Relativity，类别为 Generic Physics

[单选题]
The kinetic energy of a pronumy 9 bqkc-+sa-05paf .1 ijnton is 80% of its total qqql /25gek +fenergy. What is the momentum l/g+25 fqqq kein $kg \cdot m/s$ 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