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範例:流體力學與功率

雪豹的心臟每跳一次輸送2×10-4 m3的血液,設雪豹心臟主動脈內徑為2 cm,血壓(可看作心臟壓送血液的壓力)的平均值為3×104 N/m2,心跳每分鐘60次,則(1)雪豹心臟的平均功率為多少瓦?(2)血液從心臟流出的平均速率約多少m/s? [92北聯]

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By admin – 2009 年 04 月 09 日

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