如图所示质量都是m的A、B两物体之间用弹簧相连,弹簧的质量不计.如图所示质量都是m的A、B两物体之间用弹簧相连,弹簧的质量不计,A物体用细绳悬挂,使系统处于平衡状态,细线突然被烧断的瞬
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![如图所示质量都是m的A、B两物体之间用弹簧相连,弹簧的质量不计.如图所示质量都是m的A、B两物体之间用弹簧相连,弹簧的质量不计,A物体用细绳悬挂,使系统处于平衡状态,细线突然被烧断的瞬](/uploads/image/z/2208883-67-3.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%E8%B4%A8%E9%87%8F%E9%83%BD%E6%98%AFm%E7%9A%84A%E3%80%81B%E4%B8%A4%E7%89%A9%E4%BD%93%E4%B9%8B%E9%97%B4%E7%94%A8%E5%BC%B9%E7%B0%A7%E7%9B%B8%E8%BF%9E%2C%E5%BC%B9%E7%B0%A7%E7%9A%84%E8%B4%A8%E9%87%8F%E4%B8%8D%E8%AE%A1.%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%E8%B4%A8%E9%87%8F%E9%83%BD%E6%98%AFm%E7%9A%84A%E3%80%81B%E4%B8%A4%E7%89%A9%E4%BD%93%E4%B9%8B%E9%97%B4%E7%94%A8%E5%BC%B9%E7%B0%A7%E7%9B%B8%E8%BF%9E%2C%E5%BC%B9%E7%B0%A7%E7%9A%84%E8%B4%A8%E9%87%8F%E4%B8%8D%E8%AE%A1%2CA%E7%89%A9%E4%BD%93%E7%94%A8%E7%BB%86%E7%BB%B3%E6%82%AC%E6%8C%82%2C%E4%BD%BF%E7%B3%BB%E7%BB%9F%E5%A4%84%E4%BA%8E%E5%B9%B3%E8%A1%A1%E7%8A%B6%E6%80%81%2C%E7%BB%86%E7%BA%BF%E7%AA%81%E7%84%B6%E8%A2%AB%E7%83%A7%E6%96%AD%E7%9A%84%E7%9E%AC)
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