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OpenStudy (anonymous):
Why is mass multiplied by the speed of light squared in Einsteins famous equation?
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OpenStudy (anonymous):
it's a relation. the amount of energy is measured by taking the mass of something and multiplying it by its speed squared.
OpenStudy (anonymous):
not just speed of light!
OpenStudy (anonymous):
e=mc^2 e is energy, m is mass c is speed.
OpenStudy (anonymous):
you wanna know how much energy to make a 100 kg toy car go 30 meters per second? e = 100kg *30^2
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