Abstract
I BELIEVE that Dr. Phipps is mistaken in his assertions (1) that the round trip velocity vr.t. of a point on the edge of a rotating disk, defined by vr.t. = ωr = 2πr/T, where T is the period, is not equal to the instantaneous edge velocity, v, and (2) that ωr can become greater than c, the velocity of light.
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Phipps, T. E., Nature, 195, 67 (1962).
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LICHTENBERG, D. Re-entrant Motion in Special Relativity. Nature 196, 886 (1962). https://doi.org/10.1038/196886b0
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DOI: https://doi.org/10.1038/196886b0
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