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> 以v＝36 km/h的速度沿平直公路行驶的汽车，遇障碍刹车后获得大小为4 m/s 2的加速度，刹车之后3 s内汽车走过的路程为 ( ) A．12.5 m B．12 m C．90 m D．126 m

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发布时间：2024-09-13

以v＝36 km/h的速度沿平直公路行驶的汽车，遇障碍刹车后获得大小为4 m/s ²的加速度，刹车之后3 s内汽车走过的路程为 ( )

A．12.5 m B．12 m C．90 m D．126 m

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