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# Q3 - Physics 2212 Homework 3(due February 24 1 A plastic...

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Unformatted text preview: Physics 2212 Homework 3 (due: February 24) 1. A plastic rod is charged to -2() HC by rubbing. How many electrons have been added to the rod? 2. Two identical metal spheres A and B are connected by a metal rod. Both are initially neutral. 1.0X1012 electrons are added to sphere A, then the connecting rod is removed. Afterward, What are the charge of A and the charge of B. 3. Two 1.0 g spheres are charged equally and placed 2.0 cm apart. When released, they begin to accelerate at 200 111/32. What is the magnitude of the charge on each sphere? 4. What is the magnitude of the force on the IHC charge? .+I nC \ 1 cm I \x 1 C111 .’ ——————————————— no 5..What is the magnitude of the force on the Inc charge? .+1 nC \ 7. What is the magnitude of the force on the 1 HC charge? -6 nC +2 nC 0' I ‘9 +2 nC \ 1 / \\\ II ’II 5 C111 \\ i ll! 5 cm \4501450’1 \_\___Jl_...__’/ \ I” D +1 HC 8. Charge q; is in static equilibrium. What is q1? ch —2 DC qz ~1 ———————————— no ------------ “0—— WW 10 cm 10 cm 9.. Two 3.0 g spheres on 1.0-m-long threads repel each other after being equally charged. What is the charge q? I \ I I \ I I \ Il“-Jl_--""6\ ’450l45 \ 1 m , I x 1 m ’ \ I, \‘ ...
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Q3 - Physics 2212 Homework 3(due February 24 1 A plastic...

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