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Two small spheres with the same electric charge $q$ and of mass $m=10$ g hang from silk threads of length $L=1$ m at a distance of $x=1$ cm.
What is the charge on the spheres if they are in equilibrium?
Created for Albert.io. Copyright 2016. All rights reserved.
$q=0.03\ \mu C$
$q=0.002\ \mu C$
$q=1.5\ \mu C$
Not enough information to solve the problem.