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範例:平均加速度與瞬時加速度

已知一物體之x-t關係為x=3t2-2t+5 (x與t之單位為米與秒),則(1)初速若干? (2)運動2秒之速度及加速度為若干? (3)運動2秒內的平均加速度為多少?


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Posted in 位移與速度.

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By admin – 2010 年 08 月 03 日

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