本题目来源于试卷: Collision and momentum conservation，类别为 美国物理杯赛(Physics Bowl)
[单选题]
09.10: A car with mass p;vj:7sb,- u:u 4odz*; r*z rz:pqsauymc: fwM initially travels to the East with speed 4V.y cjpv686if1:fjslx0x*p u, g A truck initially travels to the West with speed 3V. After the vehicles collide, they move together tx1uj6p:8c,0ixff g*p 6 lvsyjo the West with common speed 2V. What is the mass of the truck?
A. 2M
B. 3M
C. 4M
D. 5M
E. 6M
参考答案: E
本题详细解析:
暂无
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