What is the speed of a pion if its average lifetime is measured to be 4.40 x 10^{-8} s ? At rest, its average lifetime is 2.60 x 10^{-8} s .

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Giancoli's Physics: Principles with Applications, 7th Edition

Special Theory of Relativity

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26-4 and 26-5: Time Dilation, Length Contraction

26-7: Relativistic Momentum

26-9: Mass and Energy

26-10: Relativistic Addition of Velocities

Problem 4

What is the speed of a pion if its average lifetime is measured to be $4.40 \times 10^{-8} \textrm{ s}$ ? At rest, its average lifetime is $2.60 \times 10^{-8} \textrm{ s}$ .

2.42 \times 10^8 \textrm{ m/s}

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What is the speed of a pion if its average lifetime is measured to be 4.40×10−8 s4.40 \times 10^{-8} \textrm{ s}4.40×10−8 s? At rest, its average lifetime is 2.60×10−8 s2.60 \times 10^{-8} \textrm{ s}2.60×10−8 s.

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What is the speed of a pion if its average lifetime is measured to be $4.40 \times 10^{-8} \textrm{ s}$ ? At rest, its average lifetime is $2.60 \times 10^{-8} \textrm{ s}$ .