Three particles of charge 3nC and mass 5mg are placed on the corners of an equilateral triangle with sides of length 8cm. a) What is the potential energy of one of these charges due to the other three? b) If one of the charges is released from rest while the other three are held fixed, what is its speed when it is very far away from the other three charges?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter20: Electric Potential And Capacitance
Section: Chapter Questions
Problem 19P: Two particles, with charges of 20.0 nC and 20.0 nC, are placed at the points with coordinates (0,...
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Three particles of charge 3nC and mass 5mg are placed on the corners of an equilateral triangle with sides of length 8cm.

a) What is the potential energy of one of these charges due to the other three?

b) If one of the charges is released from rest while the other three are held fixed, what is its speed when it is very far away from the other three charges?

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