Two pith balls, each with a mass of 1.4 g, are attached to non-conducting threads and suspended from a common hook. Each thread has a length of 16.2 cm. The balls are then given an identical charge, which causes them to separate. In equilibrium, the threads are separated by an angle of 6.9°. Calculate the charge on each pith ball, in coulombs (C). Be clear and show all your work.

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
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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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Two pith balls, each with a mass of 1.4 g, are attached to non-conducting threads and suspended from a common hook. Each thread has a length of 16.2 cm. The balls are then given an identical charge, which causes them to separate. In equilibrium, the threads are separated by an angle of 6.9°. Calculate the charge on each pith ball, in coulombs (C). Be clear and show all your work.

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