A nuclear power plant converts energy from nuclear fission into electricity with an efficiency of 35.0% (i.e., .35 of every unit of energy from fission creates electricity; the other .65 of every unit of energy is lost in the process). How much mass is destroyed every second to produce a continuous 1000 MW of electric power? Given the previous answer, how much mass is converted to energy in 1 year? Harnessing a small fraction of the Sun's energy could provide 3 x 1013 W of energy worldwide. How many days would be required (assuming constant 24-hr energy harnessed with zero efficiency loss) to fulfill the total world's energy needs of 4x1020J?

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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  1. A nuclear power plant converts energy from nuclear fission into electricity with an efficiency of 35.0% (i.e., .35 of every unit of energy from fission creates electricity; the other .65 of every unit of energy is lost in the process). How much mass is destroyed every second to produce a continuous 1000 MW of electric power?

  2. Given the previous answer, how much mass is converted to energy in 1 year?

  3. Harnessing a small fraction of the Sun's energy could provide 3 x 1013 W of energy worldwide. How many days would be required (assuming constant 24-hr energy harnessed with zero efficiency loss) to fulfill the total world's energy needs of 4x1020J?

 

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