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33. (1) A uranium nucleus with a charge of 92e undergoes spon- taneous fission into two fragments with equal charges. They are initially at rest and are separated by 7.4 x 10-15 m. (a) What is the initial potential energy? (b) What is the final kinetic energy of the fragments when they are infinitely far apart? (c) Assuming 30% of the kinetic energy of the frag- ments can be harnessed in a nuclear reactor, how many fissions per second are required for a power output of 1 MW?
33. (1) A uranium nucleus with a charge of 92e undergoes spon- taneous fission into two fragments with equal charges. They are initially at rest and are separated by 7.4 x 10-15 m. (a) What is the initial potential energy? (b) What is the final kinetic energy of the fragments when they are infinitely far apart? (c) Assuming 30% of the kinetic energy of the frag- ments can be harnessed in a nuclear reactor, how many fissions per second are required for a power output of 1 MW?
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