# Q4 - Physics 2212 Homework 4 (due: March 17) 1. What are...

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Physics 2212 Homework 4 (due: March 17) 1. What are the magnitudes of the electric fields at points 1, 2, and 3. 2. What are the magnitudes of the electric field at points 1 and 3. 3. A uniform electric field E=100000 N/C causes the 5.0 g ball to hang at a 45 0 angle. What is the charge on the ball? 1 +10 nC -5 nC 4 cm 3 cm 3 5 g q E 45 0 1 +10 nC 2 4 cm 3 cm 3

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4. What is the magnitude of electric field at point P due to a nonconducting infinite planes of negative charge with uniform charge density 2 9 C m μ σ =− and point charge 10 QC =+ placed at point Q. The distance between points P and Q is 0.5 m. Line,
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## This note was uploaded on 02/15/2012 for the course PHYS 2212 taught by Professor Staff during the Spring '08 term at Georgia State.

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Q4 - Physics 2212 Homework 4 (due: March 17) 1. What are...

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