本题目来源于试卷: Momentum and Energy，类别为 美国物理杯赛(Physics Bowl)
[单选题]
13.49: Two electrons movo-)tipq19 :zy i ek)s*tpz1c we with the magnitude op2d( x1+rjx(wa)4 yyo v 0eqrwf their linear momentum having a ratio of 2:1. ayjp)y1(rvwqo2e(rw0d + x4x If the slower electron moves with a speed of $1. 20\times\:10^8\:m/s$, what is the speed of the faster moving electron (in unit of m/s)?
A. $2.67\times\:10^8$
B. $2.40\times\:10^8$
C. $2.24\times\:10^8$
D. $1.97\times\:10^8$
E. $1.56\times\:10^8$
参考答案: D
本题详细解析:
暂无
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