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範例:非固定功率關係圖與能量[95學測]

甲生走路時每單位時間所消耗的能量，與行進速率的關係如圖。假設甲生每天都沿著相同的路徑自學校走回家，則甲生以2.0公尺/秒等速率走回家所消耗的總能量，約為以1.0公尺/秒等速率走回家的多少倍？(A) 1.5 (B) 2.0 (C) 2.5(D) 3.0 (E) 3.5。[95學測]

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Posted in 功率, 歷屆物理考題.

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By admin – 2009 年 04 月 09 日

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