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範例:電位能與力學能守恆

一點電荷+Q，質量m與一固定點電荷+Q相距為r，則此點電荷由靜止行至相距8r時，此點電荷之速率為多少?【嘉中】


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Posted in 電位能與電位.

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By admin – 2010 年 03 月 05 日

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