某电梯以加速度a=2g,由静止从地面开始向上做匀加速直线运动,内有用细绳吊着的小球距电梯的地板2m,电梯向上运动了2s绳子突然断了,求:1.小球落到地板上时,小球相对地面上升的距离2.小球落
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![某电梯以加速度a=2g,由静止从地面开始向上做匀加速直线运动,内有用细绳吊着的小球距电梯的地板2m,电梯向上运动了2s绳子突然断了,求:1.小球落到地板上时,小球相对地面上升的距离2.小球落](/uploads/image/z/8462340-36-0.jpg?t=%E6%9F%90%E7%94%B5%E6%A2%AF%E4%BB%A5%E5%8A%A0%E9%80%9F%E5%BA%A6a%3D2g%2C%E7%94%B1%E9%9D%99%E6%AD%A2%E4%BB%8E%E5%9C%B0%E9%9D%A2%E5%BC%80%E5%A7%8B%E5%90%91%E4%B8%8A%E5%81%9A%E5%8C%80%E5%8A%A0%E9%80%9F%E7%9B%B4%E7%BA%BF%E8%BF%90%E5%8A%A8%2C%E5%86%85%E6%9C%89%E7%94%A8%E7%BB%86%E7%BB%B3%E5%90%8A%E7%9D%80%E7%9A%84%E5%B0%8F%E7%90%83%E8%B7%9D%E7%94%B5%E6%A2%AF%E7%9A%84%E5%9C%B0%E6%9D%BF2m%2C%E7%94%B5%E6%A2%AF%E5%90%91%E4%B8%8A%E8%BF%90%E5%8A%A8%E4%BA%862s%E7%BB%B3%E5%AD%90%E7%AA%81%E7%84%B6%E6%96%AD%E4%BA%86%2C%E6%B1%82%3A1.%E5%B0%8F%E7%90%83%E8%90%BD%E5%88%B0%E5%9C%B0%E6%9D%BF%E4%B8%8A%E6%97%B6%2C%E5%B0%8F%E7%90%83%E7%9B%B8%E5%AF%B9%E5%9C%B0%E9%9D%A2%E4%B8%8A%E5%8D%87%E7%9A%84%E8%B7%9D%E7%A6%BB2.%E5%B0%8F%E7%90%83%E8%90%BD)
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