在光滑水平面上,平放一轻弹簧,弹簧一端固定,另一端连一物体A、A边上再放一物体B,它们质量分别为mA、mB,弹簧劲度系数为k,原长为l,用力推B,使弹簧压缩x0,然后释放。求:
分离之后.A还能往前移动多远?
正确答案:![](https://img.274949.com/Images/2020-04/04/b8wetkbj.jpg)
![](https://img.274949.com/Images/2020-04/04/cwcc5o60.jpg)
![](https://img.274949.com/Images/2020-04/04/b8wetkbj.jpg)
![](https://img.274949.com/Images/2020-04/04/cwcc5o60.jpg)
答案解析:有
![](/editor/images/201705/qrcode_for_gh_573e2a458573_258.jpg)
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在光滑水平面上,平放一轻弹簧,弹簧一端固定,另一端连一物体A、A边上再放一物体B,它们质量分别为mA、mB,弹簧劲度系数为k,原长为l,用力推B,使弹簧压缩x0,然后释放。求:
分离之后.A还能往前移动多远?
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