Why is the kinetic energy given by [tex] E=\frac{1}{2}mv^2 [/tex](adsbygoogle = window.adsbygoogle || []).push({});

yet Einstein's energy equation is [tex] E=mc^2 [/tex]?

Why is there a different constant (ie [tex] \frac{1}{2}[/tex] and [tex]1[/tex])?

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# Einstein's energy equation and kinetic energy

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