如图一,在直角梯形ABCD中,∠B=90°,AD平行于BC,且AD=4cm,AB=6cm,DC=10cm.若动点P从A点出发以每秒4cm的速度沿线段AD、DC向C点运动;动点Q从C点出发以每秒5cm的速度沿CB向B点运动,当Q点到达B点时,动点P、Q
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![如图一,在直角梯形ABCD中,∠B=90°,AD平行于BC,且AD=4cm,AB=6cm,DC=10cm.若动点P从A点出发以每秒4cm的速度沿线段AD、DC向C点运动;动点Q从C点出发以每秒5cm的速度沿CB向B点运动,当Q点到达B点时,动点P、Q](/uploads/image/z/1778806-46-6.jpg?t=%E5%A6%82%E5%9B%BE%E4%B8%80%2C%E5%9C%A8%E7%9B%B4%E8%A7%92%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2C%E2%88%A0B%3D90%C2%B0%2CAD%E5%B9%B3%E8%A1%8C%E4%BA%8EBC%2C%E4%B8%94AD%3D4cm%2CAB%3D6cm%2CDC%3D10cm.%E8%8B%A5%E5%8A%A8%E7%82%B9P%E4%BB%8EA%E7%82%B9%E5%87%BA%E5%8F%91%E4%BB%A5%E6%AF%8F%E7%A7%924cm%E7%9A%84%E9%80%9F%E5%BA%A6%E6%B2%BF%E7%BA%BF%E6%AE%B5AD%E3%80%81DC%E5%90%91C%E7%82%B9%E8%BF%90%E5%8A%A8%EF%BC%9B%E5%8A%A8%E7%82%B9Q%E4%BB%8EC%E7%82%B9%E5%87%BA%E5%8F%91%E4%BB%A5%E6%AF%8F%E7%A7%925cm%E7%9A%84%E9%80%9F%E5%BA%A6%E6%B2%BFCB%E5%90%91B%E7%82%B9%E8%BF%90%E5%8A%A8%2C%E5%BD%93Q%E7%82%B9%E5%88%B0%E8%BE%BEB%E7%82%B9%E6%97%B6%2C%E5%8A%A8%E7%82%B9P%E3%80%81Q)
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