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範例:高空彈跳與能量轉換[101學測]

高空彈跳者一躍而下,繩索伸長到最大長度時將彈跳者往上拉回,接著彈跳者又落下,然後再被繩索拉回,接連重複數次。在這彈跳過程中,下列何種能量轉換最不可能發生?(A)彈性位能轉換為重力位能  (B)彈性位能轉換為動能  (C)重力位能轉換為動能 (D)動能轉換為重力位能 (E)阻力產生的熱能轉換為動能

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Posted in 歷屆學測(推甄)考題, 能量的轉換與守恆, 重力位能.

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