如图,在直线MN上,AB=11,OA,OB的半径都为1.OA以2/s的速度向N运动,与此同时,OB的半径也不断增大,OB的半径R与时间t(s)的关系式为R=1+t(t≥0)(1)A与B之间距离d与时间t(s)之间的函数表达式.①
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![如图,在直线MN上,AB=11,OA,OB的半径都为1.OA以2/s的速度向N运动,与此同时,OB的半径也不断增大,OB的半径R与时间t(s)的关系式为R=1+t(t≥0)(1)A与B之间距离d与时间t(s)之间的函数表达式.①](/uploads/image/z/14309821-37-1.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E7%9B%B4%E7%BA%BFMN%E4%B8%8A%2CAB%3D11%2COA%2COB%E7%9A%84%E5%8D%8A%E5%BE%84%E9%83%BD%E4%B8%BA1.OA%E4%BB%A52%2Fs%E7%9A%84%E9%80%9F%E5%BA%A6%E5%90%91N%E8%BF%90%E5%8A%A8%2C%E4%B8%8E%E6%AD%A4%E5%90%8C%E6%97%B6%2COB%E7%9A%84%E5%8D%8A%E5%BE%84%E4%B9%9F%E4%B8%8D%E6%96%AD%E5%A2%9E%E5%A4%A7%2COB%E7%9A%84%E5%8D%8A%E5%BE%84R%E4%B8%8E%E6%97%B6%E9%97%B4t%EF%BC%88s%EF%BC%89%E7%9A%84%E5%85%B3%E7%B3%BB%E5%BC%8F%E4%B8%BAR%3D1%2Bt%EF%BC%88t%E2%89%A50%EF%BC%89%EF%BC%881%EF%BC%89A%E4%B8%8EB%E4%B9%8B%E9%97%B4%E8%B7%9D%E7%A6%BBd%E4%B8%8E%E6%97%B6%E9%97%B4t%EF%BC%88s%EF%BC%89%E4%B9%8B%E9%97%B4%E7%9A%84%E5%87%BD%E6%95%B0%E8%A1%A8%E8%BE%BE%E5%BC%8F.%E2%91%A0)
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