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Solve the all parts of following question:
Question: Four charges are placed at the corners of a square. The side of the square is a = 0.30 m.
Part I: If the charge are identical and positive q = 21.0 x 10-9 C what would be the magnitude of the force acting on each of the charges? Answer in Newton's.
Part II: We change the charges by q1 = 21.0 x 10-9 C, q2 = 11.0 x 10-9 C, q3 = -12.0 x 10-9 C, q4 = -31.0 x 10-9 C. What would be the magnitude of the force acting on charge q3? Answer in Newton's.
Part III: We place the same charges at the corners of a rectangle of sides a and b (instead of a square). If b=2a/3 what would be the magnitude of the force acting on charge q3? Answer in units of Newton's.
Please provide me complete solution for the above question so I can get right solution.
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