本题目来源于试卷: Physics Unit7: Linear Momentum,类别为 国际高中通用物理
[单选题]
A very light object ; 8vsz;k gz8 zfl5 qss,em8e0imoving ei7jikq6ga 0q9ov hd:6 w)buin*1 tx1 with speed v collides head-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed ofjab67:o6e w qiinhv9giq*11u) 0 kxd t the heavy object after the collision is
A. slightly greater than v.
B. equal to v.
C. slightly less than v.
D. much less than v.
参考答案: D
本题详细解析:
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