如图梯形OABC中,O为直角坐标系的原点,A,B,C的坐标分别为(14,0),(14,3),(4,3).点P,Q同时从原点出发,分别作匀速运动,点P沿OA以每秒1个单位向终点A运动,点Q沿OC、CB以每秒2个单位向终点B运动.当这两点
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![如图梯形OABC中,O为直角坐标系的原点,A,B,C的坐标分别为(14,0),(14,3),(4,3).点P,Q同时从原点出发,分别作匀速运动,点P沿OA以每秒1个单位向终点A运动,点Q沿OC、CB以每秒2个单位向终点B运动.当这两点](/uploads/image/z/5915225-65-5.jpg?t=%E5%A6%82%E5%9B%BE%E6%A2%AF%E5%BD%A2OABC%E4%B8%AD%2CO%E4%B8%BA%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E7%9A%84%E5%8E%9F%E7%82%B9%2CA%2CB%2CC%E7%9A%84%E5%9D%90%E6%A0%87%E5%88%86%E5%88%AB%E4%B8%BA%2814%2C0%29%2C%2814%2C3%29%2C%284%2C3%29.%E7%82%B9P%2CQ%E5%90%8C%E6%97%B6%E4%BB%8E%E5%8E%9F%E7%82%B9%E5%87%BA%E5%8F%91%2C%E5%88%86%E5%88%AB%E4%BD%9C%E5%8C%80%E9%80%9F%E8%BF%90%E5%8A%A8%2C%E7%82%B9P%E6%B2%BFOA%E4%BB%A5%E6%AF%8F%E7%A7%921%E4%B8%AA%E5%8D%95%E4%BD%8D%E5%90%91%E7%BB%88%E7%82%B9A%E8%BF%90%E5%8A%A8%2C%E7%82%B9Q%E6%B2%BFOC%E3%80%81CB%E4%BB%A5%E6%AF%8F%E7%A7%922%E4%B8%AA%E5%8D%95%E4%BD%8D%E5%90%91%E7%BB%88%E7%82%B9B%E8%BF%90%E5%8A%A8.%E5%BD%93%E8%BF%99%E4%B8%A4%E7%82%B9)
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