Physics Unit2: Kinematics One Dimensional Motion (id: 2452984f7)

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]
In Fig. 2-1, what is kny3iviy5( warc;e3g rv n;7.tao)x3ex ba : un,nu,t0kr9zu4he velocity at t = 2.5 s?

A. 0
B. 10 m/s
C. 20 m/s
D. -40 m/s


参考答案:  C


本题详细解析: 暂无

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