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範例:非固定力的平均功率

一物體質量m由靜止受力而運動,若受力量值F=kt,與時間成正比,則(1)最初t秒內此力作功多少? (2)最初t秒之平均功率為多少?


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Posted in 功率.

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By admin – 2009 年 04 月 09 日

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