re: My curiosity was directed at “ Adam, posted on 3/24/2007 5:06:04 AM,“ he
is the one that mentioned the 250 watt power figure for a kilogram of nuclear material. See: “ http://www.habitablezone.com/nexus/index.asp?svcpt=offtopic “
even nuclear reactors struggle putting out 250 W of electrical power for every kilogram of mass.
And my comment/question was directed to the “efficiency†of the energy conversion.
As for the math problem you present, could you be more specific as to how your math solution explains the “efficiency†of a nuclear power plant.
Although I did not look for in-depth research into this subject at the moment, I will try to answer your question.
One watt of power is 1 Joule of energy, at least according to my understanding of the math formulas.
There are many sites on the internet explaining that relationship, one site is:
http://hyperphysics.phy-astr.gsu.edu/hbase/work.html
I assume that by “one ton†you mean a metric ton.
One metric ton equals thousand kilograms.
If a metric ton of TNT releases ~4.2 GJ of energy, then (I assume that) one thousandth of a ton or 1Kg of that amount releases ~.0042GJ of energy and that is the same amount of power in watts.
Even if I’m way off with my calculation, which I did by moving the decimal point three digits to the left, the formula: E=(U/K)C is still correct.