Two identical point charges in free spaceare connected by a string 7.6 cm long. The tension in the string is0.21 N. (a) Find the magnitude of the charge on each of the pointcharges. (b) Using the information given in the problem statement, is it possible to determine the sign of the charges? Explain.(c) Find the tension in the string if +1.0 mC of charge is transferredfrom one point charge to the other. Compare with your resultfrom part (a).

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Q: 9 9 S S 9 9 N 9 Point A 9 9

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Q: Provide an expression for the force between the charges as described by Coulomb's law.

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