Physics Unit2: Kinematics One Dimensional Motion (id: 02cca3803)

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 the 8 k4rc0as o-tjvelocity at t = 2gfg;knn8u6 c t r5.*zghgd0tr6w k5i 1.0 s?

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


参考答案:  B


本题详细解析: 暂无

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