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範例:半徑與線膨脹[85日大]

一金屬圈及一金屬球分別由線膨脹係數為α 1及α 2的材料製成。已知溫度在0oC時，兩者半徑分別為r1及r2，其中r1<r2。若溫度在t時，r1=r2，則t為多少oC? [85日大]

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Posted in 歷屆物理考題, 熱膨脹.

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By admin – 2009 年 06 月 23 日

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