Homework 2 - Physics 118A PROBLEM SET#2 Assigned Wed Young...

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Physics 118A PROBLEM SET #2 Assigned: Wed.. 1/23/08 Young & Freedman Chapters 22 & 23 Due Thur. 1/31/08 BOX YOUR FINAL ANSWERS. no later than 5:00 PM Practice problems, not to be turned in: 22.19, 22.23, 22.41, 22.45, 23.17, 23.21 While we encourage discussion of the homework, each assignment is to be completed individually. Copying will not be tolerated. 1. A cube has sides of length 0.250 m. One corner is at the origin, and the furthest corner is at ( x , y , z ) = (0.25m, 0.25m, 0.25m). One side of the cube is in the x , y plane; one side is in the x , z plane; and one side is in the y , z plane. There is a uniform electric field everywhere E = 150 N/C i + 115 N/C j . a) Calculate the electric flux through each of the six sides of the cube. Side 1 is the side in the x , y plane; side 2 is the side parallel to side 1. Side 3 lies in the x , z plane; side 4 is the side parallel to side 3. Side 5 lies in the y , z plane; side 6 is the side parallel to side 5. b) What is the total electric flux through the entire surface of the cube, and what does this tell you about the total charge inside the cube?
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