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Question: 

The mean life of the $\Sigma^0$ particle is $7 \times 10^{-20} \textrm{ s}$. What is the uncertainty in its rest energy? Express your answer in MeV.

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 

$0.009 \textrm{ MeV}$

Giancoli 7th Edition, Chapter 32, Problem 27

(0:45)

Chapter 32, Problem 27 is solved.

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