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 very heavy object 00w rsn(*slu4iuw-s wmoving with speed usxs 3;/w qy5lrgv*8k v collides head-on with a very light object at rest. The collision is elastic, and there is no friction. The heavy object barely sloyg8 slu5xrsvk/q; w*3ws down. What is the speed of the light object after the collision?
A. nearly v
B. nearly 2v
C. nearly 3v
D. nearly infinite
参考答案: B
本题详细解析:
暂无
| 
