4. *Two charges, QA and QB, are located 20 cm apart as shown. When a third charge is placed at the x mark, 10 cm from QB, the electric force on Qc is zero. Find the value (including sign) of QB. QA = 6 x 10-⁹ C 20 cm QB = ? 10 cm X

4. *Two charges, QA and QB, are located 20 cm apart as shown. When a third charge is placed at the x mark, 10 cm from QB, the electric force on Qc is zero. Find the value (including sign) of QB. QA = 6 x 10-⁹ C 20 cm QB = ? 10 cm X

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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