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Mathematics 11 Online
OpenStudy (anonymous):

Four pint chargers are arranged at the corners of a square of side 15cm, as show. Determine E at the center of the square. The charge at top left is +3.0 micro C , top right is +2.0 micro C, bottom left is -4.0 micro C, and bottom right is -3.0 micro C

OpenStudy (callisto):

Please post this question in the Physics group, thanks. Link for the Physics group: http://openstudy.com/study#/groups/Physics

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