Problem II

A free neutron is unstable and spontaneously decays into a proton and an electron. Th mass of the neutron is M_n=1.67495∙10^-27 kg, the mass of the proton is M_p=1.67265∙10^-27 kg, and the mass of the electron is M_e=9.1095∙10^-31 kg. How much energy is released when the neutron decays?


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