Question 15Two stationary positive point charges, charge 1 ofmagnitude 3.15 nC and charge 2 of magnitude 1.65 nC, are separated by a distance of 31.0 cm . An electron isreleased from rest at the point midway between the twocharges, and it moves along the line connecting the twocharges.Part AWhat is the speed vfinal of the electron when it is 10.0 cm from charge 1?Express your answer in meters per second.• View Available Hint(s)ΑΣφVfinalm/sSubmit

Answered: Two stationary positive point charges,…

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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The change in potential energy is supplied to an electron.

$∆ P E = (\frac{Q_{1} e}{4 π ε_{0} r_{1}} + \frac{e Q_{2}}{4 π ε_{0} r_{2}}) - (\frac{Q_{1} e}{4 π ε_{0} r'_{1}} + \frac{e Q_{2}}{4 π ε_{0} r'_{2}}) ∆ K E = \frac{1}{2} m_{e} {v_{e}}^{2}$

The distances are

$r_{1} = r_{2} = r_{i} = \frac{d}{2} = \frac{31 cm}{2} r_{i} = 15.5 cm r_{f, 1} = r'_{1} = 10 cm r_{f, 2} = r'_{2} = 21 cm$

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