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The mean lifetime of a muon at rest is 2.2 us. If the observed mean lifetime of a muon as
measured in the laboratory is 11.0 us:
a)
Calculate the mass of the muon at this speed. The rest mass of a muon is 207me, where
me is the rest mass of an electron.
Calculate the muon's kinetic energy.
Calculate the muon's momentum.
b)
c)

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