- #1

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## Homework Statement

Three identical point charges A, B, and C are located in the shape of an equilateral triangle with sides of length 15 cm. What is the net force on B if each charge has a magnitude of -5.0 x 10-3 C?

## Homework Equations

coulombs law equation

## The Attempt at a Solution

(please see the attached scanned page and attached diagram)

I think that i am doing something wrong the angle...hope you guys can help.