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ment Chapter 21, Problem 013 In the figure particle 1 of charge q 1.02 μC and particle 2 of charge Q2·一2.98 ue, are held at separation l . 9,4 cm on an mit r pa tide , dru a o net electrostatic force on it from particles 1 and 2 is zero, what must be the (ajx and (b)y coordinates of particde 3 ea ge。-to te located ad that the Units (a) Number (b) Number Click if you would like to Show Work for this question: Ocen Show Work
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Answer #1

a] At the required location, the electric field is zero.

Since the charges have the opposite sign, the required point will be on the side of one having smaller magnitude,

kq1/x^2 + kq2/[L-x]^2

1.02/x^2 -2.98/[9.4-x]^2 = 0

x = -13.25 cm answer

b] because of symmetry, y = 0 cm answer

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