本题目来源于试卷: Physics Unit7: Linear Momentum,类别为 通用国际物理
[单选题]
A 50-gram ball moving7qdyl9h .)dc3 qd) 8tb 84ord zvx,njr +10 m/s collides head-on withsb:9 zt bi)5.4et)rzuxoe: mb a stationary ball of mass 100 g. The collision is elastic. What is the u9:boe itsz )b)rbzt54m.:xe speed of each ball immediately after the collision?
A. -3.3 m/s and +6.7 m/s
B. +3.3 m/s and -6.7 m/s
C. -6.7 m/s and +3.3 m/s
D. +6.7 m/s and -3.3 m/s
参考答案: A
本题详细解析:
暂无
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