• anonymous
Here's one that was in my head for a few days: Imagine a solid rotating in space, like a disk or something. Lets say that the angular velocity of the solid is: $\ \omega = 0.9c \ rad*s^{-1}$ where c is the speed of light. What is the tangential velocity of the solid at the distance r, lets say 2m from the axis of rotation? What would happen to the solid? I can't quite imagine what that would look like.
Physics

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