圖中球以2 m/s滾出去,台階寬高皆為0.3m,問(1)球打在那一階上?(2)歷時若干秒? g=10 m/s2【成功高中】
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圖中球以2 m/s滾出去,台階寬高皆為0.3m,問(1)球打在那一階上?(2)歷時若干秒? g=10 m/s2【成功高中】
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By admin – 2010 年 08 月 13 日
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