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範例:彈簧簡諧運動(SHM)與力學能守恆

一端固定且彈力常數為k之彈簧平放在水平桌面上,另一端繫一質量為m物體,物體由壓縮量 xo時釋放,則(A)物體最大動能為(kxo2/2) (B)最大速率為 (C)當物體位置距離平衡點xo/2時,其動能與位能之比值為2 (D)當物體原先之壓縮量改為2xo時,其週期變為2倍 (E)續前題,其最大動能變為原來之4倍。

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Posted in 彈性位能.

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By 張慶堂 – 2021 年 06 月 05 日

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