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範例:自由落體與等加速度運動

某自由落體，路經途中A點時的速率為著地末速的一半，且由A點到著地費時3秒，則此落體：(1)全程歷時幾秒？(2)最初離地的高度H有多高？(重力加速度g=9.8 m/s2)
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Posted in 等加速度.

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By admin – 2010 年 08 月 09 日

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