Physics Bowl by Topic 2: Kinematics - part I General Motion (id: ebda43f47)

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]
10.11: Consider the moti60 lrzynm: fkb7f-st i*f5z8von of7j br,qf 54f5d1ampo -;jdnkdt/ 0zbm an object given by the velocity vs. time graph shown. For which time(s) is the acceleration of the objem 7m,0rf;-jb4z 5j/ad5dtkf1dp bqno ct equal to 0?

A. Only at t=2.0s
B. Only at t=5.0s
C. Only at t=8.0s
D. At t=2.0s and 5.0s
E. At t=2.0s, 5.0s and 8.0s


参考答案:  B


本题详细解析: 暂无

微信扫一扫，分享更方便