A 2.45 g air-inflated balloon is given an excess negative charge, q1 = -3.00 × 10-8 C, by rubbing it with a blanket. It is found that a charged rod can be held above the balloon at a distance of d = 6.20 cm to make the balloon float. Assume the balloon and rod to be point charges. The Coulomb force constant is 1/(4re0) = 8.99 × 10º N•m²/C² and the acceleration due to gravity is g = 9.81 m/s².

A 2.45 g air-inflated balloon is given an excess negative charge, q1 = -3.00 × 10-8 C, by rubbing it with a blanket. It is found that a charged rod can be held above the balloon at a distance of d = 6.20 cm to make the balloon float. Assume the balloon and rod to be point charges. The Coulomb force constant is 1/(4re0) = 8.99 × 10º N•m²/C² and the acceleration due to gravity is g = 9.81 m/s².

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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