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

[单选题]
The kinetic energy of a p3 xl-ccty;5.jwwlqp bp o-,xi c6- g5oroton is 80% of its total energy.95j-h70jv xs-p,+mocpfpjywgm-8 .kqk l y 3f What is the momentumm pp9j--pk-qc 5ls yxkog3j 0+mfv7.y,hj8fw 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