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HW__1_P213_S08

# HW__1_P213_S08 - Physics 213 Read Homework#1 Spring 2008...

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Physics 213 Homework #1 Spring 2008 Read: Chapter 21: intro., sections 21.1-4, 21.5 (thru p. 730), 21.7. For study: Chap. 21: Q's #Q21.1-7, 10-18, 20, 21, 23 (not Quizzed) E's & P's: #21.7, 11, 13, 21, 23, 25, 35, 49, 63, 67, 73, 81, 103 To be prepared for Wednesday-Friday, Jan. 30-Feb. 1, at your 2nd weekly recitation session: *** FOR EACH HW ASSIGNMENT: Be sure to organize and write out all your work neatly so that you have a clear idea of what the problem and solution entail. Include carefully drawn diagrams where appropriate. Be sure that you understand thoroughly what you did and why you used each principle and procedure. Be sure you can repeat and explain your solution and reasoning without referring to your HW paper or other solutions. *** #21.33 [Electron in an Electric Field] #21.69 [Electric Dipole] #21.72 [Electric Force in 2-D] #21.106 [Triangle] #21.74 [Charges on Strings] Please add: (a) Draw a carefully labeled free-body diagram for one sphere. (b) Problem as stated. (c) What would change if q 1 = 2q & q 2 = q/2? Explain.
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