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Two charges Q1=-21µC and Q2=-25µC are placed on the corners of a right triangle with the sides a=14mm and b-21mm. How much work must be done to bring a third charge Q3=-9uC from infinity to point P that is a distance c away from the empty corner as shown in the figure below. Express your answer in units of Joules using zero decimal places. Take Coulomb constant as k-9.0x10° N.m?/c2?. Please do not forget the minus sign if your answer is negative. Hint: if you use similar triangles b2 C = Va2 + b2 Q2 P. а Q1 b

Two charges Q1=-21µC and Q2=-25µC are placed on the corners of a right triangle with the sides a=14mm and b-21mm. How much work must be done to bring a third charge Q3=-9uC from infinity to point P that is a distance c away from the empty corner as shown in the figure below. Express your answer in units of Joules using zero decimal places. Take Coulomb constant as k-9.0x10° N.m?/c2?. Please do not forget the minus sign if your answer is negative. Hint: if you use similar triangles b2 C = Va2 + b2 Q2 P. а Q1 b

College Physics
College Physics
11th Edition
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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Two charges Q1=-21µC and Q2=-25µC are placed on the corners of a right triangle with the sides a=14mm and b-21mm. How much work must be done to bring a third charge Q3=-9uC from infinity to point P that is a distance c away from the empty corner as shown in the figure below. Express your answer in units of Joules using zero decimal places. Take Coulomb constant as k-9.0x10° N.m?/c2?. Please do not forget the minus sign if your answer is negative. Hint: if you use similar triangles b2 C = Va2 + b2 Q2 P. а Q1 b
Transcribed Image Text:Two charges Q1=-21µC and Q2=-25µC are placed on the corners of a right triangle with the sides a=14mm and b-21mm. How much work must be done to bring a third charge Q3=-9uC from infinity to point P that is a distance c away from the empty corner as shown in the figure below. Express your answer in units of Joules using zero decimal places. Take Coulomb constant as k-9.0x10° N.m?/c2?. Please do not forget the minus sign if your answer is negative. Hint: if you use similar triangles b2 C = Va2 + b2 Q2 P. а Q1 b
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