Physics Unit2: Kinematics One Dimensional Motion (id: 5cac0a318)

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]
In Fig. below, what iud9 r49kk7:;yy 0 iol0citxmvs the velocity ah4 -bg 4w7vbljpi ae:3dt *9b7wdv rp1t t = 5.5 s?

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


参考答案:  D


本题详细解析: 暂无

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