如图所示,质量为m的物体,由劲度系数为k 1 和k 2 的两个轻弹簧连接,在光滑导轨上作微小振动,其振动频率为()。 https://assets.asklib.com/images/image2/2017032111490014305.png

A .https://assets.asklib.com/images/image2/2017032111492583741.png B .https://assets.asklib.com/images/image2/2017032111494244848.png C .https://assets.asklib.com/images/image2/2017032111495751060.png D .https://assets.asklib.com/images/image2/2017032111501625479.png

时间:2022-09-29 08:58:47 所属题库:机械振动学题库

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