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 veu,8xzwd -yxt z go*.jvf c*c*-o v-qy6locitby1h/ oj d+os0n o86wlv7;zaiy versus time curve shown. Which of the following statements 76ozdy on/ b;o 81j0vhsialw +regarding 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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