Two charges Q1=20µC and Q2=26µC are placed on a semi-circle with a radius R=10mm as shown in the figure below. How much work must be done to bring a third charge Q3=-9µC from infinity to point P. 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. Q2 R Q1 R

Two charges Q1=20µC and Q2=26µC are placed on a semi-circle with a radius R=10mm as shown in the figure below. How much work must be done to bring a third charge Q3=-9µC from infinity to point P. 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. Q2 R Q1 R

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter18: Electric Charge And Electric Field

Section: Chapter Questions

Problem 18PE: (a) By what factor must you change the distance between two point charges to change the force...

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