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]
09.50: What is the magnitude of the line8. d8wkixzuh,f +ddq6ar mr/ex; b()x 2dn.veyz xomentum (in units of kg.m/s) of an electron moving in a straight lin .edb/(y nx;) zex2vxre if it has $3.2\times\:10^{−13}J$ of kinetic energy?
A. 0
B. $2.6\times\:10^{-22}$
C. $7.6\times\:10^{-22}$
D. $1.3\times\:10^{-21}$
E. $1.9\times\:10^{-12}$
参考答案: D
本题详细解析:
暂无
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