本题目来源于试卷: Collision and momentum conservation，类别为 美国物理杯赛(Physics Bowl)
[单选题]
17.09: A 4.00 kg object74aa(zmccp o:(upf n9 moves tsr fmu-q..r h/o the right with speed 5.00 m/s. A 5.00 kg object moves to the left with speed 3.00 m/s. After colliding, the ruhr.ms/-q.f 4.00 kg object moves to the left with speed 1.00 m/s. What is the speed of the 5.00 kg object after the collision?
A. 1.00 m/s
B. 1.80 m/s
C. 3.00 m/s
D. 4.11 m/s
E. 7.80 m/s
参考答案: B
本题详细解析:
暂无
| 
