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匀变速直线运动

> 物体从静止开始做匀加速直线运动，第3 s内通过的位移是3 m，则 A．第3 s内的平均速度是3 m/s B．物体的加速度是1.2 m/s2 C．前3 s内的位移是6 m D．第3 s末的速度是3.6 m/s

问题：

发布时间：2024-09-11

物体从静止开始做匀加速直线运动，第3 s内通过的位移是3 m，则

A．第3 s内的平均速度是3 m/s B．物体的加速度是1.2 m/s²

C．前3 s内的位移是6 m D．第3 s末的速度是3.6 m/s

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