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]
96.12: Two football players with fp f9wb()crsx1o rk.h2* b+eymass 75 kg and 100 kg run directly toward eac4i rur0x zl6yu :kbg80h other with speeds 6.0 m/s and 8.0 m/s8x0bi0ru u6l:rg4kyz respectively. If they grab each other as they collide, the combined speed of the two players just after the collision would be:
A. 2.0 m/s
B. 3.4 m/s
C. 4.6 m/s
D. 7.1 m/s
E. 8.0 m/s
参考答案: A
本题详细解析:
暂无
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