o home work .pdf->H.W: In the Boher model of the hydrogen atom an electron moves at2.19*10°m/s in an orbit of radius 5.29*10*1" centered on a proton. (a)what isthe centripetal force on the electron? (b)what is the number of revolutionsmade each second?Ans. (a)9.06*10²²m/s² (b÷ = 6. 58 • 1015 1/sH.W: A ball is thrown with an initial speed voat an angle 0 below thehorizontal from rooftop 44m above the ground. It lands 2sec later at a pointVor32m from the base of the building. Find vo and 0Ans. 0 = -37.32v, = 20. 1m/s44 yH.W: A ball thrown up from a rooftop of height 40m lands on ground in 4s.(a)what is its maximum height above the ground? (b)what is its velocity 15mbelow the rooftop?Ans. (a)44.7m (b) v = –19.65H.W: An object is thrown horizontally at 20m/s from a cliff top 45m abovesea level. Find (a)the time to land; (b)the angle at which it hits the water;(c)the speed at which it hits the water.Ans. (a)3.03s (b)Ø = -54.73 (c)35.79m/s

Given: The speed of the electron is 2.19x106 m/s. The radius of orbit is 5.29x10-11 m.

H.W: In the Boher model of the hydrogen atom an electron moves at 2.19*10ʻm/s in an orbit of radius 5.29*10'" centered on a proton. (a)what is the centripetal force on the electron? (b)what is the number of revolutions made each second?

H.W: In the Boher model of the hydrogen atom an electron moves at 2.1910ʻm/s in an orbit of radius 5.2910'" centered on a proton. (a)what is the centripetal force on the electron? (b)what is the number of revolutions made each second?

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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