Answered: Rutherford fired a beam of alpha…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Rutherford fired a beam of alpha particles (helium nuclei) at a thin sheet of gold. An alpha particle was observed to be deflected by 90.0°; its speed was unchanged. The alpha particles used in the experiment had an initial speed of 2.4 ✕ 10⁷ m/s and a mass of 6.7 ✕ 10⁻²⁷ kg.Assume the alpha particle collided with a gold nucleus that was initially at rest. Find the speed of the nucleus after the collision. ?m/s

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$m a s s o f a l p h a p a r t i c l e (m) = 6.7 \times 10^{- 27} k g i n i t i a l s p e e d o f a l p h a p a r t i c l e = f i n a l s p e e d o f t h e a l p h a p a r t i c l e = 2.4 \times 10^{7} m / s m a s s o f g o l d n u c l e u s = 197 u$

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