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29-07-2015
Physics

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How to find the energy of an 8 pound weight with e=mc2

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29-07-2015

Change the 8 pounds to kilograms (divide it by 2.2). Then multiply the kg by the speed of light (300,000,000 m/sec) squared. You get a very big number. It's the number of joules of energy equivalent to 8 lbs of mass.

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