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Can we compute the relativistic velocities of 2 photons or 2 neutrinos ?
Can you give a little context? What do you mean by "relativistic velocity" and which two photons or which two neutrinos do you have in mind?Can we compute the relativistic velocities of 2 photons or 2 neutrinos ?
Does this imply that neutrinos have rest mass ?The speed of photons is c. Neutrinos may have any speed < c.
The implication goes in the other direction. Neutrinos have mass, therefore they can have any speed < c.Does this imply that neutrinos have rest mass ?
Yes, neutrinos have rest mass.Does this imply that neutrinos have rest mass ?