本题目来源于试卷: 2-dim collision，类别为 美国物理杯赛(Physics Bowl)
[单选题]
11.39: An object wit4ifc4bli 2bz,zdmw 6*h mass M movd yh 4+;:ypg pa(jl d/;efo,a1tocmy.es due East on a frictionless horizontal surface with a speed of V. A second object of mass Ma4 e gpc+(dp1 afy.hoytjo,d/:;ym;l/2 has a speed of 3V. The two objects collide and stick together. If the objects are moving due South after the collision, with what speed are they moving?
A. $\frac{5}{3}v$
B. $\frac{1}{3}v$
C. $\frac{\sqrt{5}}{3}v$
D. $\frac{4\sqrt{2}}{3}v$
E. $\frac{\sqrt{33}}{3}v$
参考答案: C
本题详细解析:
暂无
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