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Question: 

Show that the kinetic energy KE of a particle of mass $m$ is related to its momentum $p$ by the equation

$p = \dfrac{\sqrt{KE^2 + 2KE \; mc^2}}{c}$.

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

Quick Answer: 

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Giancoli 7th Edition, Chapter 26, Problem 45

(1:18)

Chapter 26, Problem 45 is solved.

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