7. Three positive charges, q1, q2, and q3 are connected with two strings of equal length L. Due to mutual Coulomb repulsion the charges spread out and form a straight line such that the distance between 1 and 3 is 2L and, with 2 in the middle, the distance between 1 and 2 or 2 and 3 is just L. Find the tension force in each string.

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7. Three positive charges, q1, q2, and q3 are connected with two strings of equal length L. Due to
mutual Coulomb repulsion the charges spread out and form a straight line such that the
distance between 1 and 3 is 2L and, with 2 in the middle, the distance between 1 and 2 or 2 and
3 is just L. Find the tension force in each string.
Transcribed Image Text:7. Three positive charges, q1, q2, and q3 are connected with two strings of equal length L. Due to mutual Coulomb repulsion the charges spread out and form a straight line such that the distance between 1 and 3 is 2L and, with 2 in the middle, the distance between 1 and 2 or 2 and 3 is just L. Find the tension force in each string.
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