ENGINEERING APPLICATION The mass of a carbon nucleus is
Chapter , Problem 113(choose chapter or problem)
ENGINEERING APPLICATION The mass of a carbon nucleus is approximately 12 times the mass of a neutron. (a) Use the results of to show that after N head-on collisions of a neutron with carbon nuclei at rest, the kinetic energy of the neutron is approximately where is its initial kinetic energy. (b) Neutrons emitted in the fission of a uranium nucleus have kinetic energies of about For such a neutron to cause the fission of another uranium nucleus in a reactor, its kinetic energy must be reduced to about How many head-on collisions are needed to reduce the kinetic energy of a neutron from to assuming elastic head-on collisions with stationary carbon nuclei?
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