Answered: A neutron at rest decays (breaks up) to… | bartleby

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A neutron at rest decays (breaks up) to a
proton and an electron. Energy is released in the decay and appears as
kinetic energy of the proton and electron. The mass of a proton is 1836
times the mass of an electron. What fraction of the total energy released
goes into the kinetic energy of the proton?

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