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範例:平均速度與瞬時速度

有一質點沿直線運動,其位置與時間的關係為x=3+2t (x:米,t:秒),試求(1)在第2秒內的平均速度 (2)第3秒末之瞬時速度為何?


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Posted in 位移與速度.

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By admin – 2010 年 07 月 29 日

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