問題詳情
15. 將一密度為8.9 g/cm體積為90 cm3 的均匀銅塊,分割成甲、乙、丙三塊較小的銅塊。若測得甲、乙、丙三個銅塊的體積分別為20 cm30cm40 cm3, 且甲、乙、丙三銅塊的密度分別為d甲、d乙、d丙,則d甲:d乙:d丙為下列何者?
(A)2:3:4
(B)4:3:2
(C) 1:1:1
(D) 6:4:3
(A)2:3:4
(B)4:3:2
(C) 1:1:1
(D) 6:4:3
參考答案
無參考答案
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