Physics Bowl by Topic 2: Kinematics - part I General Motion (id: d84136ed3)

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]
06.07: A car has the velocity v,sfe+2h-yat vxr g806haydn 8 buod(8ersus time curve shown. Which of the following8ggj.u29qt kv statements regarding its motion isg8vug9qkt. j 2 NOT CORRECT?

A. The car is moving fastest at 2.0 s.
B. The car is at rest at approximately 5.2 s.
C. The car is speeding up from t = 0 to t = 2.0 s.
D. The car has negative acceleration at t = 4.5 s.
E. The car has no acceleration at the instant t = 2 s.


参考答案:  D


本题详细解析: 暂无

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