如图所示,A、B 分别是甲、乙两小球从同一地点沿同一直线运动的v-t

如图所示,A、B 分别是甲、乙两小球从同一地点沿同一直线运动的v-t 图象,根据图象可以判断出

                                           

A.在t=4s时,甲球的加速度小于乙球的加速度

B.在t=5s时,两球相距最远

C.在t=6s时,甲球的速率小于乙球的速率

D.在t=8s时,两球相遇

 

答案

D

解析:略

 

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