质量为2kg的物体置于水平面上,用10N的水平拉力使它从静止开始运动,第3s末物体的速度达到6m/s,此时撤去拉力,求:1.撤去拉力瞬间物体的动能2.撤去拉力后物体能继续滑行的位移3.撤去拉力后物
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![质量为2kg的物体置于水平面上,用10N的水平拉力使它从静止开始运动,第3s末物体的速度达到6m/s,此时撤去拉力,求:1.撤去拉力瞬间物体的动能2.撤去拉力后物体能继续滑行的位移3.撤去拉力后物](/uploads/image/z/6468781-13-1.jpg?t=%E8%B4%A8%E9%87%8F%E4%B8%BA2kg%E7%9A%84%E7%89%A9%E4%BD%93%E7%BD%AE%E4%BA%8E%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8A%2C%E7%94%A810N%E7%9A%84%E6%B0%B4%E5%B9%B3%E6%8B%89%E5%8A%9B%E4%BD%BF%E5%AE%83%E4%BB%8E%E9%9D%99%E6%AD%A2%E5%BC%80%E5%A7%8B%E8%BF%90%E5%8A%A8%2C%E7%AC%AC3s%E6%9C%AB%E7%89%A9%E4%BD%93%E7%9A%84%E9%80%9F%E5%BA%A6%E8%BE%BE%E5%88%B06m%2Fs%2C%E6%AD%A4%E6%97%B6%E6%92%A4%E5%8E%BB%E6%8B%89%E5%8A%9B%2C%E6%B1%82%EF%BC%9A1.%E6%92%A4%E5%8E%BB%E6%8B%89%E5%8A%9B%E7%9E%AC%E9%97%B4%E7%89%A9%E4%BD%93%E7%9A%84%E5%8A%A8%E8%83%BD2.%E6%92%A4%E5%8E%BB%E6%8B%89%E5%8A%9B%E5%90%8E%E7%89%A9%E4%BD%93%E8%83%BD%E7%BB%A7%E7%BB%AD%E6%BB%91%E8%A1%8C%E7%9A%84%E4%BD%8D%E7%A7%BB3.%E6%92%A4%E5%8E%BB%E6%8B%89%E5%8A%9B%E5%90%8E%E7%89%A9)
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