关于相对论的基本公式的问题L = L0*(1-(u/c)^2)^(1/2)Δt' = Δt/(1-(u/c)^2)^(1/2)这两个公式中的u是讨论这个问题的人给出的2物体的相对速度,还是正在运动的2个物体自己测出的相对速度?
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![关于相对论的基本公式的问题L = L0*(1-(u/c)^2)^(1/2)Δt' = Δt/(1-(u/c)^2)^(1/2)这两个公式中的u是讨论这个问题的人给出的2物体的相对速度,还是正在运动的2个物体自己测出的相对速度?](/uploads/image/z/6685776-0-6.jpg?t=%E5%85%B3%E4%BA%8E%E7%9B%B8%E5%AF%B9%E8%AE%BA%E7%9A%84%E5%9F%BA%E6%9C%AC%E5%85%AC%E5%BC%8F%E7%9A%84%E9%97%AE%E9%A2%98L+%3D+L0%2A%281-%28u%2Fc%29%5E2%29%5E%281%2F2%29%CE%94t%27+%3D+%CE%94t%2F%281-%28u%2Fc%29%5E2%29%5E%281%2F2%29%E8%BF%99%E4%B8%A4%E4%B8%AA%E5%85%AC%E5%BC%8F%E4%B8%AD%E7%9A%84u%E6%98%AF%E8%AE%A8%E8%AE%BA%E8%BF%99%E4%B8%AA%E9%97%AE%E9%A2%98%E7%9A%84%E4%BA%BA%E7%BB%99%E5%87%BA%E7%9A%842%E7%89%A9%E4%BD%93%E7%9A%84%E7%9B%B8%E5%AF%B9%E9%80%9F%E5%BA%A6%2C%E8%BF%98%E6%98%AF%E6%AD%A3%E5%9C%A8%E8%BF%90%E5%8A%A8%E7%9A%842%E4%B8%AA%E7%89%A9%E4%BD%93%E8%87%AA%E5%B7%B1%E6%B5%8B%E5%87%BA%E7%9A%84%E7%9B%B8%E5%AF%B9%E9%80%9F%E5%BA%A6%3F)
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