Scattering of helium nuclei from gold nuclei.

Reference no: EM13556878

In 1911 Rutherford discovered the nucleus of an atom by observing the scattering of helium nuclei from gold nuclei. If a heliumnucleus with a mass of 6.68 x 10^-27 kg, a charge of +2e,and an initial velocity of 1.50 x 10⁷ m/s is projectedhead-on towards a gold nucleus with a charge of +79e, how closewill the helium atom come to the gold nucleus before it stops andturns around?

(Assume the gold nucleus is held in place by other gold atomsand does not move).

Reference no: EM13556878

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