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According to the BP statistical review the US primary energy consumption in 2014 was 2300 mtoe (million tons of oils equivalent). Oil has an energy density of 42 MJ/kg.

(a) What is the US energy consumption in Joules. What would be a better unit (MJ, GJ, TJ, PJ, EJ)?

(b) What is it in quads (1015 BTU's)?

(c) What is it in kWh ?  What would be a better unit (MWh, GWh, TWh, PWh)?

(d) Uranium ore is 0.07% 235U. If 235U has an energy density of 1.28 x 10MJ/kg what is the mass of Uranium in Uranium ore that would give the same primary energy?

(e) What is the average power used?

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