%3Cp%20style%3D%22margin-right%3A%26nbsp%3B0px%3B%26nbsp%3Bmargin-bottom%3A%26nb
ID: 645 • Letter: #
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/ Answer
A)
E = mc^2 = 4*10^6*10^3*3*10^8 = 1.2*10^18 J = 2.868*10^17 cal
B)
hey i dun have the data of US energy consuption, but i guess, now all u have to do it is just compare this data with ur above ans,
ket energy consumption in us per year is X cal
so,
required % = 2.868*10^17 / X *100 %
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