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 movinw 1 c)-4t)8roxzb tcgvg +10 m/s j2sf:h) m cdyb dz-/j3collides head-on with a stationary ball of mass 100 g. The collision is elastic. What is the speed of eac)- bjdz/fcdsm: 2j3yhh 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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