一物体静止在不光滑的水平面上,已知m=1kg,μ=0.1,现用水平外力F=2N拉其运动5m后立即撤去水平外力F,求其还能滑多远?我算出来也是5m 、但是老师给的答案是15m晕
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![一物体静止在不光滑的水平面上,已知m=1kg,μ=0.1,现用水平外力F=2N拉其运动5m后立即撤去水平外力F,求其还能滑多远?我算出来也是5m 、但是老师给的答案是15m晕](/uploads/image/z/5092389-45-9.jpg?t=%E4%B8%80%E7%89%A9%E4%BD%93%E9%9D%99%E6%AD%A2%E5%9C%A8%E4%B8%8D%E5%85%89%E6%BB%91%E7%9A%84%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8A%2C%E5%B7%B2%E7%9F%A5m%3D1kg%2C%CE%BC%3D0.1%2C%E7%8E%B0%E7%94%A8%E6%B0%B4%E5%B9%B3%E5%A4%96%E5%8A%9BF%3D2N%E6%8B%89%E5%85%B6%E8%BF%90%E5%8A%A85m%E5%90%8E%E7%AB%8B%E5%8D%B3%E6%92%A4%E5%8E%BB%E6%B0%B4%E5%B9%B3%E5%A4%96%E5%8A%9BF%2C%E6%B1%82%E5%85%B6%E8%BF%98%E8%83%BD%E6%BB%91%E5%A4%9A%E8%BF%9C%3F%E6%88%91%E7%AE%97%E5%87%BA%E6%9D%A5%E4%B9%9F%E6%98%AF5m+%E3%80%81%E4%BD%86%E6%98%AF%E8%80%81%E5%B8%88%E7%BB%99%E7%9A%84%E7%AD%94%E6%A1%88%E6%98%AF15m%E6%99%95)
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