A particle known as a pion lives for a short time before breaking apart into other particles. Suppose a pion is moving at a speed of 0.988c, and an observer who is stationary in a laboratory measures the pion's lifetime to be 3.0 × 10-8 s. (a) What is the lifetime according to a hypothetical person who is riding along with the pion? (b) According to this hypothetical person, how far does the laboratory move before the pion breaks apart? (a) Number i (b) Number i Units Units

Physics for Scientists and Engineers: Foundations and Connections
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Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter39: Relativity
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A particle known as a pion lives for a short time before breaking apart into other particles. Suppose a pion is moving at a
speed of 0.988c, and an observer who is stationary in a laboratory measures the pion's lifetime to be 3.0 × 10-8 s. (a)
What is the lifetime according to a hypothetical person who is riding along with the pion? (b) According to this
hypothetical person, how far does the laboratory move before the pion breaks apart?
(a) Number i
(b) Number
Units
Units
Transcribed Image Text:A particle known as a pion lives for a short time before breaking apart into other particles. Suppose a pion is moving at a speed of 0.988c, and an observer who is stationary in a laboratory measures the pion's lifetime to be 3.0 × 10-8 s. (a) What is the lifetime according to a hypothetical person who is riding along with the pion? (b) According to this hypothetical person, how far does the laboratory move before the pion breaks apart? (a) Number i (b) Number Units Units
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