物体水平抛出时速度大小为V,落地时速度大小为V,不计空气阻力,已知重力加速为g, 发布时间:2017-05-23 14:33 │ 来源:www.tikuol.com 题型:填空题 问题: 物体水平抛出时速度大小为V,落地时速度大小为V,不计空气阻力,已知重力加速为g,则物体做平抛运动的时间为
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