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範例:平均速度與平均速率

有一秒針5cm,則(1)求其針尖在0~30秒內之平均速度與平均速率?(2)求其針尖在1分鐘內之平均速度與平均速率?


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Posted in 位移與速度.

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By admin – 2010 年 07 月 29 日

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