Which Equation Correctly Represents Relativistic Kinetic Energy?

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Antuanne
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What is the correct equation for relativistic kinetic energy? Is it KE=mγc^2-mc^2 or KE=mc^2(γ-1)?
 

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Antuanne said:
What is the correct equation for relativistic kinetic energy? Is it KE=mγc^2-mc^2 or KE=mc^2(γ-1)?
Those are equivalent expressions.
 

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