Real experiment

Classical Mechanics Level 3

In a 1964 experiment physicist at CERN, the Europe practicle-physics laboratory near Geneva , generated a beam of pions moving with a speed of $$0.99975c$$ .(where $$c$$ is speed of light) with respect to laboratory. This experiment then measure the speed of gamma rays emmited from these rapidly moving sources . What you expect the speed of gamma rays?

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