ChatterBank1 min ago
E=MC Cubed
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E=MC Cubed as it relates to E=mc^2 is meaningless in that it (E=mc^2) applies only to mass at rest relative to the observes rest frame. However if we substitute for m a particle moving at a certain velocity very close to but less than the speed of light the equality may hold for that particular velocity but I venture to guess that would for physics be nothing short of mathematical and relativistic blasphemy and as far as I know nothing larger than subatomic particles have ever been observed at such velocities and this particular velocity has no special significance. Nevertheless, I am a bit curious as to whether any physicist�s out there would care to explain if/then why this is total non-sense. If not would this apply only for the observer or would the particle actually possess this extra energy?