Physics

Problem

A nuclear reactor completely fissions

1.0\,\text{kg}

of pure

^{235}\text{U}

and releases

8.0\times10^{13}\,\text{J}

of energy. Determine the percentage of the original mass that has been converted into energy. (Take

c = 3.0\times10^{8}\,\text{m s}^{-1}

.) a)

0.089\%

0.27\%

0.0089\%

0.89\%