Suppose an electron (g = - e = -1.6x 10-19 C.m=9.1 x 10-31 kg) is accelerated from rest through a potential difference of Vab = +5000 V. Solve for the final speed of the electron. Express numerical answer in two significant figures. The potential energy U is related to the electron charge (-e) and potential Vab is related by the equation: U = Assuming all potential energy U is converted to kinetic energy K, K +U = 0 K = -U 1 Since K= 27 and using the formula for potential energy above, we arrive at an equation for speed: V = ( 1/2 Plugging in values, the value of the electron's speed is: x 107 m/s %3D

Suppose an electron (g = - e = -1.6x 10-19 C.m=9.1 x 10-31 kg) is accelerated from rest through a potential difference of Vab = +5000 V. Solve for the final speed of the electron. Express numerical answer in two significant figures. The potential energy U is related to the electron charge (-e) and potential Vab is related by the equation: U = Assuming all potential energy U is converted to kinetic energy K, K +U = 0 K = -U 1 Since K= 27 and using the formula for potential energy above, we arrive at an equation for speed: V = ( 1/2 Plugging in values, the value of the electron's speed is: x 107 m/s %3D

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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