The Pi MesonAn elementary particle called a pi meson (or
Chapter 29, Problem 12(choose chapter or problem)
The Pi MesonAn elementary particle called a pi meson (or pion for short) has an average lifetime of when at rest. If a pion moves with a speed of 0.99crelative to Earth, nd (a) the average lifetime of the pion as measured by an observer on Earth and (b) the average distance traveled by the pion as measured by the same observer. (c) How far would the pion have traveled relative to Earth if relativistic time dilation did not occur?
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