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範例:線膨脹與單擺計時

一鐘擺為黃銅製品，其設計使在20oC時能準確計時。若該鐘在0oC操作，則每小時差幾秒？αCu=1.9×10-5/oC [86北聯]


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Posted in 熱膨脹.

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By admin – 2009 年 06 月 23 日

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