Homework Help: Physics

Posted by chuck on Friday, September 17, 2010 at 7:38am.

Three point charges, A = 2.2 湣, B = 7.5 湣, and C = -3.9 湣, are located at the corners of an equilateral triangle as in the figure above. Find the magnitude and direction of the electric field at the position of the 2.2 湣 charge.

Physics - drwls, Friday, September 17, 2010 at 8:34am
Using vector addition methods, add the force on A due to B and the force on A due to C. Coulomb's Law will tell you the magnitudes of the forces between pairs.

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