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> 一质量为0.3㎏的篮球从离地面高为1.25m处自由下落，与地面碰撞后反弹的最大高度0.45m，规定竖直向上为正方向，g取10m/s 2。则篮球在与地面碰撞过程中动量的变化量 A．0.6㎏m/s B．－0.6㎏m/s C．2.4㎏m/s D．－2.4㎏m/s

问题：

发布时间：2024-09-09

一质量为0.3㎏的篮球从离地面高为1.25m处自由下落，与地面碰撞后反弹的最大
高度0.45m，规定竖直向上为正方向，g取10m/s ²。则篮球在与地面碰撞过程中动量的变
化量

A．0.6㎏m/s B．－0.6㎏m/s C．2.4㎏m/s D．－2.4㎏m/s

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一质量为0.3㎏的篮球从离地面高为1.25m处自由下落，与地面碰撞后反弹的最大 高度0.45m，规定竖直向上为正方向，g取10m/s 2。则篮球在与地面碰撞过程中动量的变 化量 A．0.6㎏m/s B．－0.6㎏m/s C．2.4㎏m/s D．－2.4㎏m/s

可能感兴趣的题目：

一质量为0.3㎏的篮球从离地面高为1.25m处自由下落，与地面碰撞后反弹的最大
高度0.45m，规定竖直向上为正方向，g取10m/s ²。则篮球在与地面碰撞过程中动量的变
化量

A．0.6㎏m/s B．－0.6㎏m/s C．2.4㎏m/s D．－2.4㎏m/s