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# Ch14 HW4 - Ch14 HW4 F2010 9:03 PM Stefan Coreth PY 208...

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12/17/10 9:03 PM Ch14 HW4 F2010 Page 1 of 3 http://www.webassign.net/[email protected]/[email protected] Current Score : 20.5 / 24 Due : Monday, August 30, 2010 11:25 AM EDT 1. 15/18 points Question: mi3 14.5.p.052.alt01.nva Field and force with three charges At a particular moment, three small charged balls, one negative and two positive,are located as shown in the figure. Q 1 = 2 nC, Q 2 = 9 nC, and Q 3 = -3 nC. Remember that you must first convert all quantities to S.I. units. 1 nC = 1 nanocoulomb = 1e-9 C. Ch14 HW4 F2010 (Homework) Stefan Coreth PY 208, section 002M, Fall 2010 Instructor: Laura I. Clarke Web Assign The due date for this assignment is past. Your work can be viewed below, but no changes can be made. (a1) What is the electric field at the location of Q 1 , due to Q 2 ? 2 = N/C (a2) What is the electric field at the location of Q 1 , due to Q 3 ? 3 = N/C (a3) What is the net electric field at the location of Q 1 , due to Q 2 and Q 3 ? net = N/C (b) Use the electric field you calculated above to find the force on Q 1 due to Q 2 and Q 3 .

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