Special relativity
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The proper mean lifetime of subnuclear particles called pions is 2.6 × 10 ^-8 seconds. A beam of pions has a speed of 0.72 c in a laboratory.
The speed of light is 2.998 × 10 ^8 m/s.
In the reference frame of the pion, how far does the pion travel in a typical lifetime of 2.6 × 10^ -8 seconds? Answer in units of m.
What is this distance in the laboratory's frame? Answer in units of m.
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Solution Summary
The expert determines how far the pion travels in a typical lifetime. The distance in the laboratory frame is computed.
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SOLUTION
In the frame of reference of pion (i.e. as measured by an observer stationary with respect to the pion), its ...
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