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 small object with momentyy; s md 34w31d8zjff5twon /qum 5 ktfu:u7zye,;+ y0j9l pbbkc+.0 kgm/s approaches head-on a large object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of th7k yyec+,zp+b0u; bk9tufl:je 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
| 
