Question

一物体以5 m/s的初速度、-2 m/s²的加速度在粗糙水平面上滑行，在4 s内物体通过的路程为                                                               (      )

A．4 m                                                             B．36 m?

C．6．25 m                                                    D．以上答案都不对?

Answer 1

C