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範例:熱平衡與能量守恆定律[85推甄]

ab為相同材質的兩個金屬球,b球的質量是a球的兩倍。a球溫度是29oCb球溫度是17oC,槽中水溫是21oC。現在將兩個金屬球都放入水中,然後等待它們達到熱平衡。假如在過程中熱量沒有流失,則最後水的溫度應該是幾度?(A)29oC(B)20oC(C)17oC(D)21oC(E)以上都不對。[85推甄]

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Posted in 基礎物理(一), 歷屆學測(推甄)考題, 歷屆學測試題, 熱容量與比熱.

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