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]
15.42: Which one of the following choices best descibzp-,/ 7ord bribes the33)gbkh: s :evhjwa0 h instants of time, at which the car and truck travel w: vh:e3 )jk 0hhga3sbwith the same speed?
A. Only at times t = 0, t = T and t = 2T.
B. At one instant during the interval 0 < t < T and at one instant during the interval T < t < 2T.
C. At two instants during the interval 0 < t < T and at one instant during the interval T < t < 2T.
D. At one instant during the interval 0 < t < T and at two instants during the interval T < t < 2T.
E. At two instants during the interval 0 < t < T and at two instants during the interval T < t < 2T.
参考答案: C
本题详细解析:
暂无
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