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> 如图所示,两个完全相同的小球A、B用等长的细线悬于O点.线长L.若将A由图示位置静止释放,则B球被碰后第一次速度为零时的高度不可能是 ( ) A．L/2 B．L/4 C．L/8 D．L/10

问题：

发布时间：2020-03-13

如图所示,两个完全相同的小球A、B用等长的细线悬于O点.线长L.若将A由图示位置静止释放,则B球被碰后第一次速度为零时的高度不可能是 ( )

A．L/2 B．L/4 C．L/8 D．L/10

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