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 small object with momentumem *l skid-;n ni;31l.e)n4 fxpf ebdf(+(obu 5.0 kgm/s approaches)tu)3 ,:sgl j4g lb;:m+ne6zvzzrbql head-on a large object at rest. The small object bounces straight back with a momentum of magnitudbm)tzgs ur:,z 6 qle4 vj)b zl3gn;l+:e 4.0 kgm/s. What is the magnitude of the large object's momentum change?
A. 9.0 kgm/s
B. 5.0 kgm/s
C. 4.0 kgm/s
D. 1.0 kgm/s
参考答案: A
本题详细解析:
暂无
| 
