Albert Einstein: E=mc²
Albert Einstein: E=mc²
In physics, mass–energy equivalence is the concept that the mass of a body is a measure of its energy content. The mass of a body as measured on a scale is always equal to the total energy inside, multiplied by a constant c² that changes the units appropriately:
E=mc²
where E is energy, m is mass, and c is the speed of light in a vacuum, which is 299,792,458 meters per second.
Mass–energy equivalence was proposed in Albert Einstein’s 1905 paper, “Does the inertia of a body depend upon its energy-content ?”, one of his Annus Mirabilis (”Miraculous Year”) Papers.
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