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August 2, 2015

Homework Help: physics

Posted by Hannah (Please Help) on Tuesday, June 5, 2012 at 3:32pm.

Two small pith balls, each of mass m = 11.2 g, are suspended from the ceiling of the physics lab by 1.7 m long fine strings and are not moving. If the angle which each string makes with the vertical is = 30.4, and the charges on the two balls are equal, what is the magnitude of that charge (in C)? (Please note that the unit of charge is micro-Coulomb here - some browsers might not display the Greek letter mu correctly and show it as an m.)

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