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範例:斜拋的角動量

質量為0.5Kg之小球從地面以初速25m/s沿東方仰角53o斜向拋出，當達最高點瞬間，球對原拋出點之角動量為何？(g=10 m/s2)  (A)450 kg.m2/s向東(B)400 kg.m2/s向南 (C)300 kg.m2/s向西 (D)150 kg.m2/s向北 (E)100 kg.m2/s向下。[87中聯]


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Posted in 轉動慣量與角動量.

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By admin – 2009 年 02 月 18 日

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