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匀变速直线运动

> 一物体做匀加速直线运动，加速度为4m/s 2，这就是说 ( ) A．物体速度变化量是4m/s B．每经过一秒物体的速度都增大4m/s C．任意一秒内的末速度均为初速度的4倍 D．任意时刻的瞬时速度是4m/s

问题：

发布时间：2024-09-13

一物体做匀加速直线运动，加速度为4m/s ²，这就是说 ( )

A．物体速度变化量是4m/s B．每经过一秒物体的速度都增大4m/s

C．任意一秒内的末速度均为初速度的4倍 D．任意时刻的瞬时速度是4m/s

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