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In the figure particles 1 and 2 are fixed in place on an x axis, at a separation of L = 8.40 cm. Their charges are q1 = +e and q2 = −64e. Particle 3 with charge q3 = +4e is to be placed on the line between particles 1 and 2, so that they produce a net electrostatic force F→3, net on it. (a) At what coordinate should particle 3 be placed to minimize the magnitude of that force? (b) What is that minimum magnitude?

In the figure particles 1 and 2 are fixed in place on an x axis, at a separation of L = 8.40 cm. Their charges are q1 = +e and q2 = −64e. Particle 3 with charge q3 = +4e is to be placed on the line between particles 1 and 2, so that they produce a net electrostatic force F→3, net on it. (a) At what coordinate should particle 3 be placed to minimize the magnitude of that force? (b) What is that minimum magnitude?

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In the figure particles 1 and 2 are fixed in place on an x axis, at a separation of L = 8.40 cm . Their charges are q 1 = + e and q 2 = − 64 e . Particle 3 with charge q 3 = + 4 e is to be placed on the line between particles 1 and 2 , so that they produce a net electrostatic force F → 3 , net on it. (a) At what coordinate should particle 3 be placed to minimize the magnitude of that force? (b) What is that minimum magnitude?

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