February 24, 2017

Homework Help: physics

Posted by gayathri on Tuesday, December 28, 2010 at 5:31pm.

Three charges are arranged in a line. From left to right, the charges are:
Q1= -8mC, Q2 = +3mC and Q3 = -4mC. The distance between Q1 and Q2 is 0.3 m, and the distance between Q2 and Q3 is 0.2 m. Calculate the net electrostatic force on Q3.

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