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一人乘雪橇沿如图所示的斜坡笔直滑下,滑下的距离s(米)与时间t(秒)间的关系式为...
一人乘雪橇沿如图所示的斜坡笔直滑下,滑下的距离s(米)与时间t(秒)间的关系式为s=10t+t
2,若滑到坡底的时间为2秒,则此人下滑的高度为( )
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A.24米
B.6米
C.12
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米
D.12米
考点分析:
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