『物理』力與運動題目求解題公式 - 運動

By Hedy
at 2008-11-09T00:00
at 2008-11-09T00:00
Table of Contents
近日物理要考試了,但是老師部分完全沒有講解下列題目的解題方法,懇請網友解答時附上公式或解題步驟,方便未來遇到相似題型可以解決,謝謝1.某人爬山,上山之平均速率為3.0Km/hr,爬至山頂後旋即沿上山之路徑下山;下山之平均速率為9.0Km/hr,則此人上、下山全程之平均速率為?2.作直線運動之��
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運動
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By Hedda
at 2008-11-11T23:10
at 2008-11-11T23:10
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