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Cochetkov's Speeding Bola: Yet Another Entanglement for Special Relativity

Michael H. Brill
Year: 2010 Pages: 2
Keywords: special relativity, momentum, conservation, paradox
For a 'bola' with identical masses rotating freely in space, a Lorentz-boosted observer sees a time-varying momentum and kinetic energy, in violation of special-relativistic momentum and energy conservation laws. In the moving frame, the bola string is curved, not straight, and thrums with a period that is half the Lorentz-time-dilated period of the bola in the CM frame.