please help with this problem...i have No clue how do it(adsbygoogle = window.adsbygoogle || []).push({});

Two pith balls of mass m are suspended by silk strings of length L. When they are charged they repel each other at an angle of 2 theta, since like charges repel. Using Coulomb's Law and Newton's Law, derive the following http://img.photobucket.com/albums/v199/prncess20/physics.jpg" [Broken] where k is the coulomb constant. The expression will be used to calculate the charge q on each ball.

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Electrostatics question please help.

**Physics Forums | Science Articles, Homework Help, Discussion**