Einstein Explains his Famous Formula E mc2 Equivalence of Energy and Matter

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Einstein Explains the Equivalence of Energy and Matter • In physics, mass–energy equivalence states that anything having mass has an equivalent amount of energy and vice versa, with these fundamental quantities directly relating to one another by Albert Einstein's famous formula: • E=mc2 • This formula states that the equivalent energy (E) can be calculated as the mass (m) multiplied by the speed of light (c = about 3×108 m/s) squared. Similarly, anything having energy exhibits a corresponding mass m given by its energy E divided by the speed of light squared c². Because the speed of light is a very large number in everyday units, the formula implies that even an everyday object at rest with a modest amount of mass has a very large amount of energy intrinsically. Chemical, nuclear, and other energy transformations may cause a system to lose some of its energy content (and thus some corresponding mass), releasing it as light (radiant) or thermal energy for example. • Subscribe - never miss a video! • / @20thcenturytimemachine • The 20th Century Time Machine takes you back in time to the most important historical events of the past century. Watch documentaries, discussions and real footage of major events that shaped the world we live in today. • • Video

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