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In Rutherford’sfamous scattering experiment that led to the planetary model of theatom, alpha particles (having a charge of + 2e and a mass of 6.64 x10-27 kg) were fired toward a gold nucleus with charge of + 79e. Thealpha particle, initially very far from the gold nucleus, is firedat 2.00 x 107 m/s directly toward the nucleus. Howclose does the alpha particle get to the gold nucleus beforeturning around? Assume the gold nucleus remains stationary.

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