The life average of stable muon is 2.2*10^-6 s , while the life average of moving muon in Cosmic ray is 1.5*10^-5 s. Calculate the velocity of the cosmic ray muon

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The life average of stable muon is 2.2*10^-6 s , while the life average of moving muon in Cosmic ray is 1.5*10^-5 s. Calculate the velocity of the cosmic ray muon.
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Using time-dilation in Special Relativity, Time in moving frame is given by

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Where t = time in the rest frame, t' = time in moving frame, v = Velocity of moving frame,

            c = Velocity of light in vacuum = 3 × 108 m/s

 

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