如图,在直角坐标系xOy中,过A(0,4)的直线m⊥y轴,动点P从点A出发,沿直线m以每秒2个单位的速度向右运动,设点P的运动时间为t(秒).在直线m的下方,作PB⊥PO,且tan角POB=1/2.过点B作直线n⊥x轴,垂足为
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![如图,在直角坐标系xOy中,过A(0,4)的直线m⊥y轴,动点P从点A出发,沿直线m以每秒2个单位的速度向右运动,设点P的运动时间为t(秒).在直线m的下方,作PB⊥PO,且tan角POB=1/2.过点B作直线n⊥x轴,垂足为](/uploads/image/z/13738677-69-7.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BBxOy%E4%B8%AD%2C%E8%BF%87A%280%2C4%29%E7%9A%84%E7%9B%B4%E7%BA%BFm%E2%8A%A5y%E8%BD%B4%2C%E5%8A%A8%E7%82%B9P%E4%BB%8E%E7%82%B9A%E5%87%BA%E5%8F%91%2C%E6%B2%BF%E7%9B%B4%E7%BA%BFm%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%E5%90%91%E5%8F%B3%E8%BF%90%E5%8A%A8%2C%E8%AE%BE%E7%82%B9P%E7%9A%84%E8%BF%90%E5%8A%A8%E6%97%B6%E9%97%B4%E4%B8%BAt%EF%BC%88%E7%A7%92%EF%BC%89.%E5%9C%A8%E7%9B%B4%E7%BA%BFm%E7%9A%84%E4%B8%8B%E6%96%B9%2C%E4%BD%9CPB%E2%8A%A5PO%2C%E4%B8%94tan%E8%A7%92POB%3D1%2F2.%E8%BF%87%E7%82%B9B%E4%BD%9C%E7%9B%B4%E7%BA%BFn%E2%8A%A5x%E8%BD%B4%2C%E5%9E%82%E8%B6%B3%E4%B8%BA)
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