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匀变速直线运动

> 一个物体从静止开始做加速度方向不变，大小逐渐增大的直线运动，经过时间t速度为v，这段时间内的位移x大小为：( ) A．x="vt" B．x=vt/2 C．x> vt/2 D．x< vt/2

问题：

发布时间：2024-09-07

一个物体从静止开始做加速度方向不变，大小逐渐增大的直线运动，经过时间t速度为v，这段时间内的位移x大小为：( )

A．x="vt" B．x=vt/2 C．x> vt/2 D．x< vt/2

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