The proper mean lifetime of subnuclear particles called pions is 2.6 × 10^−8 s. A beam of pions has a speed of 0.75 c to a laboratory. In the reference frame of the pion, (a) how far does the laboratory travel in a typical lifetime of 2.6 × 10^−8 s? The speed of light is 2.998 × 10^8 m/s. Answer in units of m. (b) What is this distance in the laboratory’s frame? Answer in units of m.
The proper mean lifetime of subnuclear particles called pions is 2.6
× 10^−8 s. A beam of pions has a speed of 0.75 c to a laboratory. In the reference frame of the pion, (a) how far does the laboratory travel in a typical lifetime of 2.6 × 10^−8 s? The speed of light is 2.998 × 10^8 m/s. Answer in units of m. (b) What is this distance in the laboratory’s frame? Answer in units of m.
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