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範例:光滑斜面的等加速度運動(二)

圓球內有三支光滑鐵桿由頂點D至球壁光滑鐵環，分別由D滑到A,B,C,其中DC為鉛垂直徑則 (A)C之加速度最大 (B)A歷時最長 (C)到達底端時,C的末速最大 (D)A、B、C歷時相同 (E)A、B、C的末速相同

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By 張慶堂 – 2014 年 09 月 26 日

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