How far does the laboratory move before pion breaks apart

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A particle known as a pion lives for a short time before breaking apart into other particles. Suppose it is moving at a speed of 0.990c, and an observer who is stationary in a laboratory measures the particle's lifetime to be 5.00 10-8 s.

(a) What is the lifetime according to a hypothetical person who is riding along with the pion? s

(b) According to this hypothetical person, how far does the laboratory move before the pion breaks apart? m

Reference no: EM13275326

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