Physics Unit2: Kinematics One Dimensional Motion (id: 23cae6011)

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]
If you run a complete loop around af:o dl7 m9obnu+- 2vhzn outdoor track 6rp,1g8. 2ovnu j cgv7uw/y8b7evhut (400 m), in 100 s, your average velociv nyh7t/82 6 r,g81juo wcupg7vvube. ty is

A. 0.25 m/s.
B. 4.0 m/s.
C. 40,000 m/s.
D. zero.


参考答案:  D


本题详细解析: 暂无

微信扫一扫，分享更方便