valenumr
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Even in classical physics you can go through some really simple 2d math. Define some inertial observers (i.e constant velocity), and then define a subject that undergoes acceleration for a period of time. All energy and momentum of every observer will be conserved for inertial observers for the starting and ending time of the accelerated subject, but the same will not hold true when using calculating total energy and momentum of observers from the accelerated subjects reference frame before and and after the acceleration.cianfa72 said:My point is the following: Galileo principle of relativity applies not only to inertial frames but even to not-inertial constant (proper) accelerated frames having constant relative velocity (it definitely makes sense in the context of Newtonian mechanics).
Then what about in the context of SR ? I was trying to single out two (proper) accelerated frames (spaceships) having constant relative velocity to ask if we can continue to apply the principle of relativity even to them.
sorry if that's wordy. I can formalize it with math if you want, and its just basic algebra.