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In the following diagram, particles 1 and 2 have charges positive q1 and negative q2 that have the same magnitude. Both particles q1 and q2 are located on the y axis. Particle q1 is located a distance y above the origin; q2 is located a distance y below the origin. Particle 3 has a charge negative q3, and is located on the positive x-axis at a distance x from the origin. What is the direction of the force on particle 3 caused by the other two charged particles?

91 + 93 What is the direction of the force on particle 3 caused by the other two charged particles? Selected Answer: Choice D

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Assume location of particle 3 at d distance on n-axis from the origin magnitude of charge 1211 =1221=1231=2 Force of attractiFrom the Coulombs law Fook 223 [2=23=27 (dzzyzjz . 22–23 = 2] =kQ² . (det42) ----(0) Es = k 2,23 2 (Jazzy 2² [02=23=2] = k 2+T E Enel, y = Fiz din 0 + Fag Sen O [•: fiz = Fiz =F] {Enet, y = Esino + F sino {fnet, y = 2Fsino Fret - Enern & + Enetre Fn

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