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.
1. What fraction of the total energy released goes into the kinetic energy of the proton?
Express your answer as a percentage.
Kp/Ktot= %
I have already tried these answers and they're incorrect
-1/1836
-1/1837
-1873
-99
-5.44x10^(-4)
Answers: 1
while the electron moves in a negative direction with a velocity 
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A neutron at rest decays (breaks up) to a proton and an electron. Energy is released in the decay an...
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