本题目来源于试卷: Physics Unit7: Linear Momentum,类别为 国际高中通用物理
[单选题]
A 3.0-kg object moves to the right at 4.0 m/s. htdv3- 0-)qh ii rlwcbop3**lj7+ tahIt collideswh l-7nmh)o*nz4k** tq*wj ivm49ot s head-on with a 6.0-kg object moving to the left at 2.0 m/s. Which4 o4tw **-mjho z)kq97i nlmsw*vn* th statement is correct?
A. The total momentum both before and after the collision is 24 kgm/s.
B. The total momentum before the collision is 24 kgm/s, and after the collision is 0 kgm/s.
C. The total momentum both before and after the collision is zero.
D. None of the above is true.
参考答案: C
本题详细解析:
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