Output equals efficiency times input; in formula, Ot = Ef x In and so In = Ot/Ef. To calculate the original input, divide the output by the efficiency.
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The amount of waste produced by nuclear power is 2 pounds (fits into a coke can) for each persons lifetime compared to 50 tonnes of coal put into the atmosphere per person. Can't
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Well, according to these givens, you may assume an diameter for the wind mill, say 1 meter, then find the linear velocity of the mill. now you'll continue on calculating the diameters
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