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bastige
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Homework Statement
Three point charges are located at the corner of an equilateral triangle. The Coulomb constant is 8.98755 X 109 N*m2 / C2
What is the strength of the electrostatic force on the top charge? Answer in units of N.
Length of each side is .19m
Photo: http://rs300l32.rapidshare.com/files/102321145/876fa4a066b34fc617aee82211671f78.jpg
Homework Equations
F= [k(q1)(q2)] / r^2
The Attempt at a Solution
I know I must get F1 & F2, but then I don't know what to do
F1=[k(2.68E-6)(1.32E-6)] / .19^2 = .880730107
F2= [k(2.68E-6)(-3.93E-6)] / .19^2
I
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