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> 从空中某一点先后静止释放甲、乙两个物体，不计空气阻力，讨论甲、乙两物体在空中下落时的情况，下列说法中错误的是（　　） A．甲、乙两物体的间距将随时间成正比增大 B．甲、乙两物体的运动速度之差随时间成正比增大 C．甲、乙两物体的运动速度之差恒定不变 D．以甲为参照物，乙做匀速直线运动

问题：

发布时间：2024-09-10

从空中某一点先后静止释放甲、乙两个物体，不计空气阻力，讨论甲、乙两物体在空中下落时的情况，下列说法中错误的是（　　）

A．甲、乙两物体的间距将随时间成正比增大

B．甲、乙两物体的运动速度之差随时间成正比增大

C．甲、乙两物体的运动速度之差恒定不变

D．以甲为参照物，乙做匀速直线运动

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