试题与答案

物体从O点出发,沿水平直线运动,取向右的方向为运动的正方向,其v-t图像如图所示

题型:选择题

题目:

物体从O点出发,沿水平直线运动,取向右的方向为运动的正方向,其v-t图像如图所示,则物体在最初的4s内

A.物体始终向右运动

B.物体做匀变速直线运动,加速度方向始终向右

C.前2s物体在O点左边,后2s也在O点的左边

D.t=4s时刻,物体与O点距离最远

答案:

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