Let's assume that a disk is rotating with relativistic speed in a frame. We can find the velocity of a particle using v=rw formula. However, what is the r in this formula? is it the radius of the disk in rest frame or in the lab frame??(adsbygoogle = window.adsbygoogle || []).push({});

And Is the magnitude of velocity same for all points of the disk that are situated at the same distance from the center of the disk?

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# I Relativistic angular velocity

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