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Physics, 15.07.2020 01:01 zoebtharpe

A proton of kinetic energy 4.80 MeV when it is a large distance away travels head-on toward a lead nucleus (82 protons). (a) Assuming that the proton does not penetrate the nucleus and that the only force between proton and nucleus is the Coulomb force, calculate the smallest center-to-center separation dp between the proton and nucleus when the proton momentarily stops.

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