Solved: The mass of a muon is 207 times the electron mass;
Chapter 37, Problem 48(choose chapter or problem)
The mass of a muon is 207 times the electron mass; the average lifetime of muons at rest is 2.20 p,s. In a certain experiment, muons moving through a laboratory are measured to have an average lifetime of 6.90 p,s. For the moving muons, what are (a) (3, (b) K, and (c) p (in MeV/e)?
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