在光滑水平面上放一滑块,其质量m=1kg,从t=0时刻开始,滑块受到水平力F的作用,F的大小保持0.1N不变.此力先向东作用1s,然后改为向北作用1s,接着又改为向西作用1s,最后改为向南作用1s.求:(1)
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![在光滑水平面上放一滑块,其质量m=1kg,从t=0时刻开始,滑块受到水平力F的作用,F的大小保持0.1N不变.此力先向东作用1s,然后改为向北作用1s,接着又改为向西作用1s,最后改为向南作用1s.求:(1)](/uploads/image/z/2017631-47-1.jpg?t=%E5%9C%A8%E5%85%89%E6%BB%91%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8A%E6%94%BE%E4%B8%80%E6%BB%91%E5%9D%97%2C%E5%85%B6%E8%B4%A8%E9%87%8Fm%3D1kg%2C%E4%BB%8Et%3D0%E6%97%B6%E5%88%BB%E5%BC%80%E5%A7%8B%2C%E6%BB%91%E5%9D%97%E5%8F%97%E5%88%B0%E6%B0%B4%E5%B9%B3%E5%8A%9BF%E7%9A%84%E4%BD%9C%E7%94%A8%2CF%E7%9A%84%E5%A4%A7%E5%B0%8F%E4%BF%9D%E6%8C%810.1N%E4%B8%8D%E5%8F%98.%E6%AD%A4%E5%8A%9B%E5%85%88%E5%90%91%E4%B8%9C%E4%BD%9C%E7%94%A81s%2C%E7%84%B6%E5%90%8E%E6%94%B9%E4%B8%BA%E5%90%91%E5%8C%97%E4%BD%9C%E7%94%A81s%2C%E6%8E%A5%E7%9D%80%E5%8F%88%E6%94%B9%E4%B8%BA%E5%90%91%E8%A5%BF%E4%BD%9C%E7%94%A81s%2C%E6%9C%80%E5%90%8E%E6%94%B9%E4%B8%BA%E5%90%91%E5%8D%97%E4%BD%9C%E7%94%A81s.%E6%B1%82%EF%BC%9A%EF%BC%881%EF%BC%89)
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