A wire is bent into a 90° circular arc of radius R and has a negative charge density of 2. (a) Draw a vector indicating the direction of the net electric field at point P. (b) Determine an integral expression in terms of one variable for the net electric field at point P and include the proper limits of integration. Do not evaluate the integral. R why? 2 R 90° P

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Chapter1: Units, Trigonometry. And Vectors
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A wire is bent into a 90° circular arc of radius R
and has a negative charge density of 2.
(a) Draw a vector indicating the direction of the
net electric field at point P.
(b) Determine an integral expression in terms
of one variable for the net electric field at
point P and include the proper limits of
integration. Do not evaluate the integral.
R
why?
2
R
90°
P
Transcribed Image Text:A wire is bent into a 90° circular arc of radius R and has a negative charge density of 2. (a) Draw a vector indicating the direction of the net electric field at point P. (b) Determine an integral expression in terms of one variable for the net electric field at point P and include the proper limits of integration. Do not evaluate the integral. R why? 2 R 90° P
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