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 1 c zt/jtrt6-;leka0, y0aowa oi ; wwg)*p0:tn:xaxbmoves to the right at 8.00 m/s. A 5.0 kg mass moves to the left at 7.00 m/s. With what speed does the center of mass of this tonx ag:*ix)b p;t:w 0wwo-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
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