May 25, 2016

Homework Help: physics

Posted by Jen on Thursday, February 27, 2014 at 2:54pm.

Two identical small insulating balls are suspended by separate 0.17 m threads that are attached to a common point on the ceiling. Each ball has a mass of 7.40 10-4 kg. Initially the balls are uncharged and hang straight down. They are then given identical positive charges and, as a result, spread apart with an angle of 26 between the threads.
What is the charge on each ball?
What is the tension in the threads?

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