在直角三角形ABC中,角C=90度,BC=8cm,点D在AC上,CD=3cm,P,Q分别由A,C两点同时出发,点P沿AC方向向点C匀速运速度为每秒K厘米,行完AC全程用时8秒;点Q沿CB方向向点B匀速运动,速度为每秒1cm,设运动的时间
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![在直角三角形ABC中,角C=90度,BC=8cm,点D在AC上,CD=3cm,P,Q分别由A,C两点同时出发,点P沿AC方向向点C匀速运速度为每秒K厘米,行完AC全程用时8秒;点Q沿CB方向向点B匀速运动,速度为每秒1cm,设运动的时间](/uploads/image/z/8768597-5-7.jpg?t=%E5%9C%A8%E7%9B%B4%E8%A7%92%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2C%E8%A7%92C%3D90%E5%BA%A6%2CBC%3D8cm%2C%E7%82%B9D%E5%9C%A8AC%E4%B8%8A%2CCD%3D3cm%2CP%2CQ%E5%88%86%E5%88%AB%E7%94%B1A%2CC%E4%B8%A4%E7%82%B9%E5%90%8C%E6%97%B6%E5%87%BA%E5%8F%91%2C%E7%82%B9P%E6%B2%BFAC%E6%96%B9%E5%90%91%E5%90%91%E7%82%B9C%E5%8C%80%E9%80%9F%E8%BF%90%E9%80%9F%E5%BA%A6%E4%B8%BA%E6%AF%8F%E7%A7%92K%E5%8E%98%E7%B1%B3%2C%E8%A1%8C%E5%AE%8CAC%E5%85%A8%E7%A8%8B%E7%94%A8%E6%97%B68%E7%A7%92%3B%E7%82%B9Q%E6%B2%BFCB%E6%96%B9%E5%90%91%E5%90%91%E7%82%B9B%E5%8C%80%E9%80%9F%E8%BF%90%E5%8A%A8%2C%E9%80%9F%E5%BA%A6%E4%B8%BA%E6%AF%8F%E7%A7%921cm%2C%E8%AE%BE%E8%BF%90%E5%8A%A8%E7%9A%84%E6%97%B6%E9%97%B4)
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