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範例:能量守恆與轉換[94學測]

質量皆為m 的兩相同金屬塊,且其初始溫度相同,以相同速率v 對撞之後靜止,達成熱平衡後溫度上升ΔT。若不計阻力與熱量散失,小華預測不同對撞條件下,溫度的上升量如表2,則表2 中的預測何者正確? (應選兩項)

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Posted in 歷屆學測(推甄)考題, 熱容量與比熱, 能量的轉換與守恆.

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