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 motion of an object given by the vkny-0k9n pyt6 elocgkdv pu -+x 7k8ehe4, eh0.dpwity vs. time graph shown. For which time(s) is the acceleration of the ob ddg -ue,+w0.8hehpk4evk px7ject 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

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