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Problem 2 (35 pts). Consider the following 2 configurations of point charges Q1 and Q2 (a) Q,-10 pC and Q,--5 μC. These charges are located at positions r,-(1 m, 2 m, 3 m) and rg = (-5 m,0 m, 10 m) respectively. Calculate the force F12 on charge Q1 due to charge 2 (b) Q1-10uC and Q -5C. These charges are located at positions Fi(1m, 2m,3m) and r (-5m,0m, 10m) respectively. Calculate the force Fi2 on charge Qi due to charge Q2

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Answer #1

(a)

kQiQ 910-10 105 10 3-1 )2 + (0-2)2 +(10-3)2 Л-5.05 x 10-3 Л 12

-0.64 - 0.21y +0.742 (Unit vector in the direction of force)

(b)

kQiQ 910-10 105 10 3-1 )2 + (0-2)2 +(10-3)2 Л-5.05 x 10-3 Л 12

12 = 0.647 + 0.219-0.742 (Unit vector in the direction of force)

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