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What mass or material could be used via mass conversion to supply the energy needs for a us citizen for a year?
Wiki User
∙ 13y ago
How about if we just calculate for you how much mass you'll need, and you be
responsible for figuring out how to convert it to energy ?
We have no idea how much energy a person needs for a year. Furthermore, we note
that energy usage and energy desire have little to do with energy needs. Be that as it
may, our task here is concerned only with the Physics, not with the philosophy or the
politics. So we'll just pick a figure that's ridiculously inflated, even for an American. We'll
give our US citizen a constant 40 Kw of power, 24/7/365. 960 KwH a day. That works out
to about 22 times the per capita residential electrical use in Dallas ... the largest for any
US metro area ... in 2005. That oughta hold him, ya reckon ?
For a whole year at that rate, we'll need 350,621 KwH of energy, which is the
same as 1.262 x 1012 joules.
E = M c2
M = E / c2 = 1.262 x 1012 / 9 x 1016 = 0.01404 gram of mass.
You find a way to convert mass to energy with high efficiency, and we'll give you
that amount of mass, as our gift to you, just to watch it happen. Would you like it
in gold ? Even that could probably be arranged.
Wiki User
∙ 13y ago
Add your answer:
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