一小球在倾角为30度的斜面顶端做平抛运动,小球的初动能为6J,不计一切阻力,它落在斜面P点时的动能为...一小球在倾角为30度的斜面顶端做平抛运动,小球的初动能为6J,不计一切阻力,它落在斜
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![一小球在倾角为30度的斜面顶端做平抛运动,小球的初动能为6J,不计一切阻力,它落在斜面P点时的动能为...一小球在倾角为30度的斜面顶端做平抛运动,小球的初动能为6J,不计一切阻力,它落在斜](/uploads/image/z/4767125-5-5.jpg?t=%E4%B8%80%E5%B0%8F%E7%90%83%E5%9C%A8%E5%80%BE%E8%A7%92%E4%B8%BA30%E5%BA%A6%E7%9A%84%E6%96%9C%E9%9D%A2%E9%A1%B6%E7%AB%AF%E5%81%9A%E5%B9%B3%E6%8A%9B%E8%BF%90%E5%8A%A8%2C%E5%B0%8F%E7%90%83%E7%9A%84%E5%88%9D%E5%8A%A8%E8%83%BD%E4%B8%BA6J%2C%E4%B8%8D%E8%AE%A1%E4%B8%80%E5%88%87%E9%98%BB%E5%8A%9B%2C%E5%AE%83%E8%90%BD%E5%9C%A8%E6%96%9C%E9%9D%A2P%E7%82%B9%E6%97%B6%E7%9A%84%E5%8A%A8%E8%83%BD%E4%B8%BA...%E4%B8%80%E5%B0%8F%E7%90%83%E5%9C%A8%E5%80%BE%E8%A7%92%E4%B8%BA30%E5%BA%A6%E7%9A%84%E6%96%9C%E9%9D%A2%E9%A1%B6%E7%AB%AF%E5%81%9A%E5%B9%B3%E6%8A%9B%E8%BF%90%E5%8A%A8%2C%E5%B0%8F%E7%90%83%E7%9A%84%E5%88%9D%E5%8A%A8%E8%83%BD%E4%B8%BA6J%2C%E4%B8%8D%E8%AE%A1%E4%B8%80%E5%88%87%E9%98%BB%E5%8A%9B%2C%E5%AE%83%E8%90%BD%E5%9C%A8%E6%96%9C)
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