a a +29 a (a) What is the nett electric force at the origin. Give your answer in terms of the variables a and q in unit vector notation.

College Physics
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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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Three charges, -q, +2q and +2q are placed on the corners of a triangle with all three sides having length a, as shown in the figure. The origin, O, is the middle of the bottom side and the X and Y axes are given by normal unit vectors, i and j, respectively.

+24
a
a:
î
+29
b-
a
(a) What is the nett electric force at the origin. Give your answer in terms of the variables a and
q in unit vector notation.
1 m and q 5 C, what are the (r, y) coordinates (in metres) where you must place a
charge of-4q to make the nett electric at the origin equal to zero?
*..*
.***.
Transcribed Image Text:+24 a a: î +29 b- a (a) What is the nett electric force at the origin. Give your answer in terms of the variables a and q in unit vector notation. 1 m and q 5 C, what are the (r, y) coordinates (in metres) where you must place a charge of-4q to make the nett electric at the origin equal to zero? *..* .***.
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