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 0.991c, and an observer who is stationary in a laboratory measures the pion's lifetime to be 2.5 × 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 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 0.991c, and an observer who is stationary in a laboratory measures the pion's lifetime to be 2.5 × 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?
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter39: Relativity
Section: Chapter Questions
Problem 12PQ
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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 0.991c, and an observer who is stationary in a laboratory measures the pion's lifetime to be 2.5 × 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?
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