The United States consumes 2.5 × 1019 J of energy each year. A typical solar flare releases 5.0 × 1024 J of energy. How many years could we run the United States on the energy released by this solar flare if all of the released energy could be used?
A) 5 × 10-6 years
B) 200,000 years
C) 1.25 × 1044 years
D) about 12 years
E) 500 years
Correct Answer:
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