1. An example of a fission reaction is: 235U +n →3n + 90Kr + 143Ba Using information from the web calculate how much energy will be released per fission in MeV. Hint: Solution: 2. A nuclear powered ship has an engine with a maximum power output of 100MW. The fuel is Uranium that has been enriched so that it contains 10% 235U. a. How many 235U nuclei will 1kg of the fuel contain?