本题目来源于试卷: Physics Unit2: Kinematics One Dimensional Motion，类别为 国际高中通用物理
[单选题]
Ball A is dropped from the top of a build+ f4eadp9.nsycs3qn 7 b p/pt4ing. One secoe fvcrr/9kf o7t-7elx(ly a 84nd later, ball B is dropped from the sacv-orf9eek t a frxl(8ly774/me building. As time progresses, the difference in their speeds
A. increases.
B. remains constant.
C. decreases.
D. cannot be determined from the information given.
参考答案: B
本题详细解析:
暂无
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