A disk of radius r= 70 cm has a uniform surface charge density $ \sigma $= 112.6 nC. Calculate the electric field ( in units of kN/C) at point P that lies along the central perpendicular axis of the disk and a distance 30 cm from the center of the disk. use ke = 9x10° N-m?/c2 Select one: A. 8.36 B. 2.50 C. 1.93 D. 7.71 E. 3.86

A disk of radius r= 70 cm has a uniform surface charge density $ \sigma $= 112.6 nC. Calculate the electric field ( in units of kN/C) at point P that lies along the central perpendicular axis of the disk and a distance 30 cm from the center of the disk. use ke = 9x10° N-m?/c2 Select one: A. 8.36 B. 2.50 C. 1.93 D. 7.71 E. 3.86

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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