物理向量與二維運動 - 運動

By Zenobia
at 2007-11-05T00:00
at 2007-11-05T00:00
Table of Contents
假設石頭以水平向下30度角投出.如果在57.0m外觸地.求:(a)飛行時間~?(b)初始速率~?(c)在觸地時速度向量與水平所夾的角度與當時的速率?課本所給條件的只有這些~~物理大大救救我!!...Showmore
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運動
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By Dorothy
at 2007-11-07T13:07
at 2007-11-07T13:07

By Lily
at 2007-11-06T01:24
at 2007-11-06T01:24
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