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 velocedb*uk1v0( j iity versuv+je bhgwi+g /v3u y42s time curve shown. Which of the following statements rege2 v/iu+v+gjhgy4 bw3arding its motion is 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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