Physics Bowl by Topic 2: Kinematics - part I General Motion (id: 0df876fb9)

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]
97.20: This question refers to the motion 00z)us7oukigvr h;w+ of a toy car trzsr/i f *tlq e i)4f,(yb :gzblo48gh(aveling along the x-axis. The graph shown below isqi8/rh gle(yl)bogib,fs 4t4*(:f zz a plot of the car’s velocity in the x direction, $v_x$ versus time $t$.
During what time interval was the car moving towards its initial position at constant velocity?

A. 0-10 s
B. 10-20 s
C. 20-25 s
D. 25-30 s
E. 30-35 s


参考答案:  D


本题详细解析: 暂无

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