2) - CALC A semicircle of radius a is in the first and Figure P21.86 +2 second quadrants, with the cen- ter of curvature at the origin. Positive charge +Q is distrib- uted uniformly around the left half of the semicircle, and nega- tive charge - is distributed uniformly around the right half of the semicircle (Fig. P21.86). What are the magnitude and direction of the net electric field at the origin produced by this distribution of charge? 1/2 CE y dé = -Q X -T/2 TY2 Sedi -π/2 EdA. Cose TT/2 St E). SHE E -TT/2 12 TT
2) - CALC A semicircle of radius a is in the first and Figure P21.86 +2 second quadrants, with the cen- ter of curvature at the origin. Positive charge +Q is distrib- uted uniformly around the left half of the semicircle, and nega- tive charge - is distributed uniformly around the right half of the semicircle (Fig. P21.86). What are the magnitude and direction of the net electric field at the origin produced by this distribution of charge? 1/2 CE y dé = -Q X -T/2 TY2 Sedi -π/2 EdA. Cose TT/2 St E). SHE E -TT/2 12 TT
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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Ignore what I wrote in pencil

Transcribed Image Text:CALC A semicircle
of radius a is in the first and
second quadrants, with the cen-
ter of curvature at the origin.
Positive charge +Q is distrib-
uted uniformly around the left
half of the semicircle, and nega-
tive charge - is distributed
uniformly around the right half
of the semicircle (Fig. P21.86).
What are the magnitude and direction of the net electric field at
the origin produced by this distribution of charge?
T/2
Figure P21.86
+Q
y
TY2
SE
de = f
-π/2
_T//2
SHOW ALL
E S-112
EdA. Cose
EQUATIONS
AND A CLEAN
LABELED
DIAGRAM
-12
dr=
*dA = πr dr
TT/2 wrong
Tr?. cose de
huntes
coso do
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