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, releases a bomb, which explo4 ;wsu21ifk ma1 ayu7dcpk,-odnj:u*2fdcui gj 5t8 2qndd93ues before hitting the ground. Neglectutd2n:udud 3fj g8 2nc5*i 9jqing 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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