Physics Unit2: Kinematics One Dimensional Motion (id: 255cc20e6)

本题目来源于试卷: Physics Unit2: Kinematics One Dimensional Motion，类别为 通用国际物理

[单选题]
Ball A is dropped from the top of a7( sb(lx blfk/ bui7 sae 15iv)f6yx4/x2uybj uv llding. One second later, ball B is dropped from the i 5/ jus6y1)e4xy ab7ux2 fvlvsame 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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