本题目来源于试卷: Space Time & Motion A.1 Kinematics，类别为 IB物理学
[单选题]
The graph shows the variation of velo 4bowk jfgr v;n w3mqq2n+z1:4city v wi au *ueq7j2jztk55b0(iyr.a3awd uz 4 th time t of a car.
Which of the following can be deduced from the graph?
I. Displacement
II. Acceleration
III. Change in velocity
A. only I
B. only II
C. only I and II
D. all of them
参考答案: D
本题详细解析:
Change in velocity can be read from the vertical axis, the area under the line gives the displacement and acceleration can be deduced from the gradient of the graph. Therefore, the answer is D.
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