用4.5牛的水平拉力,在一水平的桌面上拉着一辆2.0kg的小车,沿着一条直线行走,小车在行走过程中前者一条通过打点计时器的纸带,打点的时间间隔是0.02s,取下纸带后,有某一点开始每隔0.1s剪下
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![用4.5牛的水平拉力,在一水平的桌面上拉着一辆2.0kg的小车,沿着一条直线行走,小车在行走过程中前者一条通过打点计时器的纸带,打点的时间间隔是0.02s,取下纸带后,有某一点开始每隔0.1s剪下](/uploads/image/z/12951402-42-2.jpg?t=%E7%94%A84.5%E7%89%9B%E7%9A%84%E6%B0%B4%E5%B9%B3%E6%8B%89%E5%8A%9B%2C%E5%9C%A8%E4%B8%80%E6%B0%B4%E5%B9%B3%E7%9A%84%E6%A1%8C%E9%9D%A2%E4%B8%8A%E6%8B%89%E7%9D%80%E4%B8%80%E8%BE%862.0kg%E7%9A%84%E5%B0%8F%E8%BD%A6%2C%E6%B2%BF%E7%9D%80%E4%B8%80%E6%9D%A1%E7%9B%B4%E7%BA%BF%E8%A1%8C%E8%B5%B0%2C%E5%B0%8F%E8%BD%A6%E5%9C%A8%E8%A1%8C%E8%B5%B0%E8%BF%87%E7%A8%8B%E4%B8%AD%E5%89%8D%E8%80%85%E4%B8%80%E6%9D%A1%E9%80%9A%E8%BF%87%E6%89%93%E7%82%B9%E8%AE%A1%E6%97%B6%E5%99%A8%E7%9A%84%E7%BA%B8%E5%B8%A6%2C%E6%89%93%E7%82%B9%E7%9A%84%E6%97%B6%E9%97%B4%E9%97%B4%E9%9A%94%E6%98%AF0.02s%2C%E5%8F%96%E4%B8%8B%E7%BA%B8%E5%B8%A6%E5%90%8E%2C%E6%9C%89%E6%9F%90%E4%B8%80%E7%82%B9%E5%BC%80%E5%A7%8B%E6%AF%8F%E9%9A%940.1s%E5%89%AA%E4%B8%8B)
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