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範例:力學能守恆[95學測]

動物跳躍時會將腿部彎曲然後伸直加速跳起。表4是袋鼠與跳蚤跳躍時的垂直高度。若不計空氣阻力， 則袋鼠躍起離地的瞬時速率約是跳蚤的多少倍？[95學測]

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Posted in 歷屆學測(推甄)考題, 物體運動的軌跡, 等加速度, 能量的轉換與守恆.

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By 張慶堂 – 2015 年 01 月 05 日

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