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Unformatted text preview: Create assignment, 57112, Homework 2, Aug 22 at 6:17 pm 1 This print-out should have 15 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. The due time is Central time. Covers 21.5-21.7 Charged Rod 23:10, calculus, numeric, > 1 min, normal. 001 A rod 14 cm long is uniformly charged and has a total charge of- 22 C. The Coulomb constant is 8 . 98755 10 9 N m 2 / C 2 . Determine the magnitude of the electric field along the axis of the rod at a point 36 cm from the center of the rod. Answer in units of N / C. Charged Semicircle 23:10, calculus, numeric, > 1 min, normal. 002 Consider the setup shown in the figure be- low, where the arc is a semicircle with radius r . The total charge Q is negative, and dis- tributed uniformly on the semicircle. The charge on a small segment with angle is labeled q . x y------------------ r x y I II III IV B A O q is given by 1. None of these 2. q = Q 3. q = Q 2 4. q = 2 Q 5. q = Q 6. q = Q 2 7. q = 2 Q 8. q = Q 9. q = 2 Q 10. q = Q 003 The magnitude of the x-component of the electric field at the center, due to...
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- Spring '08