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 plane, flying horizontally, releasxoo*ef;0we7:nb2 5 ebtj 6tgmes a bomb, which explodru- *q ( ogbt5/ 4us+6l0xvrrj(qvlqmes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just after(uj m645-sorvg u/(0lqlbv+txqrr * q 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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