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I have been pondering on this -

what is the energy required to move a point massmfrom a radial position_{0}Rto the center of a rotating frame, if the linear velocityvof the point mass at positionRis relativistic (close toc).

For an observer in the rotating frame, it should seem as ifmis climbing against the centrifugal gravity. In the classical limit, the answer is [itex]\frac{mv^2}{2}[/itex]

m_{0}is the rest mass

Thanks!

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# Energy for moving mass up a centrifugal gravity barrier

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