Homework 2 - lim (kl9356) Homework 2 Weathers (22202) 1...

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Unformatted text preview: lim (kl9356) Homework 2 Weathers (22202) 1 This print-out should have 12 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points Four point charges are placed at the four cor- ners of a square, where each side has a length a . The upper two charges have identical pos- itive charge, and the two lower charges have charges of the same magnitude as the first two but opposite sign. That is, q 1 = q 2 = q and q 3 = q 4 = q where q > 0. b b b b b q 4 q 2 q 3 q 1 P j i Determine the direction of the electric field at the center, point P. 1. i 2. 3. j 4. 1 2 ( i j ) 5. 1 2 ( i + j ) 6. 1 2 ( i + j ) 7. j 8. 1 2 ( i j ) 9. i 002 (part 1 of 2) 10.0 points Three positive charges are arranged as shown at the corners of a rectangle. The Coulomb constant is 8 . 98755 10 9 N m 2 / C 2 . + + + . 411 m 1 . 233 m 8 . 06 nC 4 . 03 nC 3 . 29 nC Find the magnitude of the electric field at the fourth corner of the rectangle. Answer in units of N / C. 003 (part 2 of 2) 10.0 points What is the direction of this electric field (as an angle measured from the positive x-axis, with counterclockwise positive)? Answer inwith counterclockwise positive)?...
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Homework 2 - lim (kl9356) Homework 2 Weathers (22202) 1...

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