Two charges Q1=28µC and Q2=-20µC are placed on the corners of a rectangle with the sides a=14mm and b=20mm. How much work must be done to bring a third charge Q3-9µC from infinity to point P that is a distance c=0.52b away from Q1 as shown in the figure below. Express your answer in units of Joules using zero decimal places. Take Coulomb constant as k=9.0x109 N.m2/c2. Please do not forget the minus sign if your answer is negative. Q1 →P C а Q2 b

Two charges Q1=28µC and Q2=-20µC are placed on the corners of a rectangle with the sides a=14mm and b=20mm. How much work must be done to bring a third charge Q3-9µC from infinity to point P that is a distance c=0.52b away from Q1 as shown in the figure below. Express your answer in units of Joules using zero decimal places. Take Coulomb constant as k=9.0x109 N.m2/c2. Please do not forget the minus sign if your answer is negative. Q1 →P C а Q2 b

College Physics

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ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

Two charges Q1=28µC and Q2=-20µC are placed on the corners of a rectangle with the sides a=14mm and b=20mm. How much work must be done to bring a third
charge Q3=9µC from infinity to point P that is a distance c=0.52b away from Q1 as shown in the figure below. Express your answer in units of Joules using zero
decimal places. Take Coulomb constant as k=9.0x109 N.m2/c2. Please do not forget the minus sign if your answer is negative.
Q1
P
C
а
b
Q2

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