Created by StemPy LabAn alpha particle is fired straight at a nucleus. At the point of closest approach, its kinetic energy
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← A thin tin foil is bombarded with alpha particles that each carry 3.6 MeV. A tin nucleus holds 50 protons. In a collision with the nucleus head-on, what is the smallest distance between the centres? Use e²/4πε₀ = 1.44 MeV fm.By classical physics, why could Rutherford's atom, with electrons circling a nucleus, not last? →
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