本题目来源于试卷: Centre of mass system，类别为 美国物理杯赛(Physics Bowl)
[单选题]
16.26: A 10.0 kg mass moves to the right at 8.00 m/s. A 5.0 kg mae(yyzgv2 a4 o4ss moves to the 4yyo24ez v(ag+ afxo yshm-:)h n2xy) left at 7.00 m/s. Wit na:h- ym2xfs+h)oy )xh what speed does the center of mass of this two-mass system move?
A. 7.67 m/s
B. 7.50 m/s
C. 3.00 m/s
D. 2.00 m/s
E. 0.50 m/s
参考答案: C
本题详细解析:
暂无
| 
