Answers

2015-12-22T11:47:07+05:30
Ans: E = MC2
Mass of electron = 9.10938291 × 10-31kilograms
Speed of electron =   2.9*108 meters/sec (nearly equal to velocity of light)
E = (9.10938291 × 10-31kilograms)* (2.9*108 meters/sec)2
E= 76.60669*10-15 kilogram.meter2/sec2
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