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In Einstein's famous equation, why did he use the speed of light squared? Why not some other constant?
It's an energy equation involving speed: the units demand that it be squared. It's not unlike the Newtonian KE equation, which also uses a speed squared.In Einstein's famous equation, why did he use the speed of light squared? Why not some other constant?
Fair enough. So remember: when first learning arithmetic there are no units, but when used in science, equations are like sentences and the units are a big part of the meaning. Numbers are almost never just numbers.Thanks! I have just recently started to think about this and really don't know much. Also, I have not taken any formal classes in physics so ...
He had no choice.In Einstein's famous equation, why did he use the speed of light squared? Why not some other constant?