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Pi mesons at rest have a half-life of T. If a beam of pi mesons is traveling at a speed of v = βc, the distance in which the intensity of the beam is halved is: cβT(1 – β^2) -1/2 cβT[(1 + β)/(1 - β)] 1/2 βvT (1 – β^2) 1/2vT none of the above

Pi mesons at rest have a half-life of T. If a beam of pi mesons is traveling at a speed of v = βc, the distance in which the intensity of the beam is halved is: cβT(1 – β^2) -1/2 cβT[(1 + β)/(1 - β)] 1/2 βvT (1 – β^2) 1/2vT none of the above

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Pi mesons at rest have a half-life of T. If a beam of pi mesons is traveling at a speed of v = βc, the distance in which the intensity of the beam is halved is: cβT(1 – β^2) -1/2 cβT[(1 + β)/(1 - β)] 1/2 βvT (1 – β^2) 1/2vT none of the above

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