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Unformatted text preview: chamarthy (ac36769) – homework 02 – Turner – (56705) 1 This printout should have 13 questions. Multiplechoice questions may continue on the next column or page – find all choices before answering. 001 10.0 points Four point charges, each of magnitude 4 . 34 μ C, are placed at the corners of a square 34 cm on a side. If three of the charges are positive and one is negative, find the magnitude of the force experienced by the negative charge. The value of Coulomb’s constant is 8 . 98755 × 10 9 N · m 2 / C 2 . Answer in units of N. 002 10.0 points A charge Q is spread uniformly along the circumference of a circle of radius R . A point charge q is placed at the center of this circle. What is the total force exerted on q as calculated by Coulomb’s law? 1. Use 2 R for the distance. 2. None of these 3. The result of the calculation is zero. 4. Use R for the distance. 5. Use 2 π R for the distance. 003 10.0 points A charge q 1 of 4 . 00 × 10 9 C and a charge q 2 of 1 . 80 × 10 9 C are separated by a distance of 44 . 0 cm. Find the equilibrium position for a third charge of +15 . × 10 9 C by identifying its distance from q 1 ....
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 Spring '07
 Lee
 Electric charge, ball, metal balls

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