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Unformatted text preview: Version 001 – HW03 – gavrin – (25111) 1 This print-out should have 10 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. Induced Metal Ball 001 10.0 points A neutral ball is suspended by a string. A positively charged insulating rod is placed near the ball, which is observed to be at- tracted to the rod. Why is this? 1. The string is not a perfect conductor. 2. The ball becomes negatively charged by induction. 3. There is a rearrangement of the electrons in the ball. correct 4. The number of electrons in the ball is greater than in the rod. 5. The ball becomes positively charged by induction. Acceleration of a Particle 002 10.0 points A particle of mass 66 g and charge 31 μ C is released from rest when it is 65 cm from a second particle of charge − 28 μ C. Determine the magnitude of the initial ac- celeration of the 66 g particle....
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This note was uploaded on 04/11/2011 for the course PHYS 251 taught by Professor Rader during the Spring '08 term at IUPUI.
- Spring '08