問題詳情
33. 一個均勻的正立方體木塊，其密度為 0.5 g/cm3，且任一面的面積皆為 A cm2，將此木塊置於密度為 1.0g/cm3的純水中，待平衡後，木塊底部距離水面的深度為 h cm，如圖所示。再於木塊上方正中央處放置一個質量為 300 g 的砝碼，平衡後木塊底部距離水面的深度變為 (h＋3) cm，且木塊底面與水面仍保持平行，則此木塊任一面的面積 A cm2 應為多少？
(A) 100 cm2
(B) 150 cm2
(C) 200 cm2
(D) 600 cm2
參考答案
答案：A
難度：計算中-1
書單：沒有書單，新增
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