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48.一杯質量為200g、溫度為 60℃ 的水在空氣中降溫,若不考慮水蒸發時質量的微 量變化,當水溫降到40°C 時,約散失多少卡的熱量? (A)4000 (B)2000 (C)8000 (D)160
問題詳情
48.一杯質量為200g、溫度為 60℃ 的水在空氣中降溫,若不考慮水蒸發時質量的微 量變化,當水溫降到40°C 時,約散失多少卡的熱量?
(A)4000
(B)2000
(C)8000
(D)16000
參考答案
上一篇 :
47.阿強一分鐘內振動繩子 360下,如果縄波相鄰兩個波峰距離為20公分,那麼縄波的速度為:(A)18公尺/秒 (B)72 公尺/秒 (C)240公分/秒(D)120公分/秒
下一篇 :
38.以下是某年國外報紙針對臺灣當時情況的專題報導摘錄:根據表(六)資料,最能夠幫助我們理解下列哪一事件發生的歷史背景? (A)雷震事件(B)西來庵事件(C)美麗島事件(D)二二八事件
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