Physics, Relativity, Muon, Quantum Physics, Particle Physics.
microseconds of their time, which observers on the Earth would measure 2.2 / √(1−𝑣2 / 𝑐2) microseconds. With the figures assumed above, this works out to 49.2 microseconds, which translates into a travel distance of 0.999 × 300000 × 49.2 × 10 ^ −6 = 14.75 km. This is quite close to 15 km. Thus it