Question: Two point charges lie on the x axis. A charge of +8.9 C is at the origin, and a charge of -6.1 C is at

Two point charges lie on the x axis. A charge of +8.9 µC is at the origin, and a charge of -6.1 µC is at x = 12 cm.

(a) At what position x would a third charge q3 be in equilibrium?

(b) Does your answer to part (a) depend on whether q3 is positive or negative? Explain.

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