Solved: In Rutherfords famous scattering experiments that

Chapter 16, Problem 16.49

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In Rutherfords famous scattering experiments that led to the planetary model of the atom, alpha particles (having charges of _2e and masses of 6.64 _ 10_27 kg) were fi red toward a gold nucleus with charge _79e. An alpha particle, initially very far from the gold nucleus, is fi red at 2.00 _ 107 m/s directly toward the nucleus, as in Figure P16.23. How close does the alpha particle get to the gold nucleus before turning around? Assume the gold nucleus remains stationary.

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