Relativistic Relative Velocities and Relativistic Acceleration
G.M. Koczan
Warsaw University of Life Sciences (WULS/SGGW), Warsaw, Poland
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It turns out that the standard application of the four-vector SR formalism does not include the concept of relative velocity. Only the absolute velocity is described by the four-vector, and even the Lorentz transformation parameters are described by the three-dimensional velocity. This gap in the development of the SR formalism reflects the lack of some significant velocity subtraction operations. The differential application of these operations leads to a relativistic acceleration.

DOI:10.12693/APhysPolA.139.401
topics: velocity subtraction, 3D and 4D relative velocity, differential of velocity, relativistic acceleration