本题目来源于试卷: Physics Unit7: Linear Momentum，类别为 通用国际物理
[单选题]
A red ball with a veloc yxyoghjah/wekwlp1g )3*g9:.2m w. x ity of +3.0 m/s collisnws pptd+bi d7-(fy*qi5 i 26des head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of th tp7niqi6i5*sbs( w-+fdp 2dy e yellow ball after the collision?
A. zero
B. +3.0 m/s
C. -2.0 m/s
D. +5.0 m/s
参考答案: B
本题详细解析:
暂无
| 
