Physics Unit2: Kinematics One Dimensional Motion (id: 41401cd51)

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]
A runner ran the mard-w ym3v fxpu jb 7,.nmu gai5kg*x;-)athod6f;af g pv.a+n (approximately 42.0 km) in 2 hours and 57 min. What is the average speed of the runne 6 fv+fd;ag.par in m/s?

A. $14.2 \times 10^{3} \; m/s$
B. 124 m/s
C. 3.95 m/s
D. 14.2 m/s


参考答案:  C


本题详细解析: 暂无

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