Direction: Solve the following problems as directed. You show your solution on the box provided. 1.) Two spheres of equal mass and equal charge are separated at a distance r. (a) Derive an expression for the quantity of charge that must be on each sphere so that the spheres are in an equilibrium where attractive and repulsive forces are balanced.

Direction: Solve the following problems as directed. You show your solution on the box provided. 1.) Two spheres of equal mass and equal charge are separated at a distance r. (a) Derive an expression for the quantity of charge that must be on each sphere so that the spheres are in an equilibrium where attractive and repulsive forces are balanced.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter5: Electric Charges And Fields

Section: Chapter Questions

Problem 118AP: Three charges are positioned at the cornets of a parallelogram as shown below. (a) If Q=8.0C what is...

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I am having a hard time understanding why the solved answer on your site, for the following question, uses x-2 instead of x+2 for the -2q charge. I attached my work for part A as well as where I am confused at. Aren't I just supposed to solve for x at this point? The - seems to be throwing me off. Any explanation you can offer would be appreciated!
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