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範例:密度與單位換算[100學測]

假設一外星人使用的質量單位為⊙，長度單位為㊉。當該外星人來到地球時，發現和地球的單位比較，1⊙＝4.0 kg，1㊉＝0.50 m。若此外星人身體的質量為8⊙，體積為0.8㊉3，則此外星人身體的平均密度相當於多少kg／m3？(A) 2.0×103 (B) 3.2×102  (C) 8.0×101　(D) 4.0×101  (E) 6.3×10－1

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Posted in 歷屆學測(推甄)考題, 緒論.

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By 張慶堂 – 2014 年 09 月 26 日

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