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 moving +1.pm 6.x yp) zwu5rb9mj0 m/s collides head-on wiowzk7852 kzc :dzzww0gxw ( dc 96hut+th a stationary ball of mass 100 g. The collision is elast cw07 g6+5w9tdkh u :zo zczzw(8kdwx2ic. What is the 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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