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 plane, flying horizontally,zq7 w/3a; s elrs,p87p zi7yrw releases vt;.ddt u7y*fqoal e y8l;q:1a bomb, which explodes before hitting the groundod7f: qvl .;q auyeydt1;8l* t. Neglecting air resistance, the center of mass of the bomb fragments, just after the explosion
A. is zero.
B. moves horizontally.
C. moves vertically.
D. moves along a parabolic path.
参考答案: D
本题详细解析:
暂无
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