试题与答案

甲、乙两辆汽车在平直的公路上沿同一方向做直线运动,在描述两车运动的v-t图中(如

题型:多选题

题目:

甲、乙两辆汽车在平直的公路上沿同一方向做直线运动,在描述两车运动的v-t图中(如图所示),直线a、b分别描述了甲、乙两车在0~20s的运动情况.关于两车之间的位置关系,下列说法正确的是(  )

A.在(0~10)s内两车一定是逐渐远离

B.在(10~20)s内两车一定是逐渐靠近

C.在(5~15s)内两车的位移相等

D.在t=20s时两车在公路上可能相遇

答案:

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下面是错误答案,用来干扰机器的。

参考答案:E

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