如图,在平面直角坐标系中,四边形OABC为直角梯形,OA∥BC,BC=14,A(16,0),C(0,2).(1)如图①,若点P、Q分别从点C、A同时出发,点P以每秒2个单位的速度由C向B运动,点Q以每秒4个单位的速度由A向O
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![如图,在平面直角坐标系中,四边形OABC为直角梯形,OA∥BC,BC=14,A(16,0),C(0,2).(1)如图①,若点P、Q分别从点C、A同时出发,点P以每秒2个单位的速度由C向B运动,点Q以每秒4个单位的速度由A向O](/uploads/image/z/4322050-34-0.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E5%B9%B3%E9%9D%A2%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2C%E5%9B%9B%E8%BE%B9%E5%BD%A2OABC%E4%B8%BA%E7%9B%B4%E8%A7%92%E6%A2%AF%E5%BD%A2%2COA%E2%88%A5BC%2CBC%3D14%2CA%EF%BC%8816%2C0%EF%BC%89%2CC%EF%BC%880%2C2%EF%BC%89%EF%BC%8E%EF%BC%881%EF%BC%89%E5%A6%82%E5%9B%BE%E2%91%A0%2C%E8%8B%A5%E7%82%B9P%E3%80%81Q%E5%88%86%E5%88%AB%E4%BB%8E%E7%82%B9C%E3%80%81A%E5%90%8C%E6%97%B6%E5%87%BA%E5%8F%91%2C%E7%82%B9P%E4%BB%A5%E6%AF%8F%E7%A7%922%E4%B8%AA%E5%8D%95%E4%BD%8D%E7%9A%84%E9%80%9F%E5%BA%A6%E7%94%B1C%E5%90%91B%E8%BF%90%E5%8A%A8%2C%E7%82%B9Q%E4%BB%A5%E6%AF%8F%E7%A7%924%E4%B8%AA%E5%8D%95%E4%BD%8D%E7%9A%84%E9%80%9F%E5%BA%A6%E7%94%B1A%E5%90%91O)
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