Physics Bowl by Topic 2: Kinematics - part I General Motion (id: 170f32fa6)

本题目来源于试卷: Physics Bowl by Topic 2: Kinematics - part I General Motion，类别为 美国物理杯赛(Physics Bowl)

[单选题]
02.01: The graph represendqj svl.p0e),/l 5vks+ o*oe ax g/3wh/p-pfr3ajx:5igoeg d6.i8jc/ne o g7fma 391n*jlm tts the relationship between distance and time for an object that is moving along a straight line. What is the instantaneous speixac.fle1etn3am:g86j * onm3d 5i o7/jj9 gged of the object at t = 5.0 seconds?

A. 0.0 m/s
B. 0.8 m/s
C. 2.5 m/s
D. 4.0 m/s
E. 6.8 m/s


参考答案:  B


本题详细解析: 暂无

微信扫一扫，分享更方便