光滑竖直半圆形轨道半径为R,C点的切线恰好水平,它与一段光滑水平轨道滑动,进入圆周轨道...光滑竖直半圆形轨道半径为R,C点的切线恰好水平,它与一段光滑水平轨道滑动,进入圆周轨道后恰好
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![光滑竖直半圆形轨道半径为R,C点的切线恰好水平,它与一段光滑水平轨道滑动,进入圆周轨道...光滑竖直半圆形轨道半径为R,C点的切线恰好水平,它与一段光滑水平轨道滑动,进入圆周轨道后恰好](/uploads/image/z/12685213-37-3.jpg?t=%E5%85%89%E6%BB%91%E7%AB%96%E7%9B%B4%E5%8D%8A%E5%9C%86%E5%BD%A2%E8%BD%A8%E9%81%93%E5%8D%8A%E5%BE%84%E4%B8%BAR%2CC%E7%82%B9%E7%9A%84%E5%88%87%E7%BA%BF%E6%81%B0%E5%A5%BD%E6%B0%B4%E5%B9%B3%2C%E5%AE%83%E4%B8%8E%E4%B8%80%E6%AE%B5%E5%85%89%E6%BB%91%E6%B0%B4%E5%B9%B3%E8%BD%A8%E9%81%93%E6%BB%91%E5%8A%A8%2C%E8%BF%9B%E5%85%A5%E5%9C%86%E5%91%A8%E8%BD%A8%E9%81%93...%E5%85%89%E6%BB%91%E7%AB%96%E7%9B%B4%E5%8D%8A%E5%9C%86%E5%BD%A2%E8%BD%A8%E9%81%93%E5%8D%8A%E5%BE%84%E4%B8%BAR%2CC%E7%82%B9%E7%9A%84%E5%88%87%E7%BA%BF%E6%81%B0%E5%A5%BD%E6%B0%B4%E5%B9%B3%2C%E5%AE%83%E4%B8%8E%E4%B8%80%E6%AE%B5%E5%85%89%E6%BB%91%E6%B0%B4%E5%B9%B3%E8%BD%A8%E9%81%93%E6%BB%91%E5%8A%A8%2C%E8%BF%9B%E5%85%A5%E5%9C%86%E5%91%A8%E8%BD%A8%E9%81%93%E5%90%8E%E6%81%B0%E5%A5%BD)
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