21.84 • CALC A semicircle of Figure P21.84 radius a is in the first and second quadrants, with the center of cur- vature at the origin. Positive charge +Q is distributed uniformly around the left half of the semicircle, and +Q negative charge -Q is distributed uniformly around the right half of the semicircle (Fig. P21.84). What are the magnitude and direction of the net electric field at the origin produced by this distribution of charge?
21.84 • CALC A semicircle of Figure P21.84 radius a is in the first and second quadrants, with the center of cur- vature at the origin. Positive charge +Q is distributed uniformly around the left half of the semicircle, and +Q negative charge -Q is distributed uniformly around the right half of the semicircle (Fig. P21.84). What are the magnitude and direction of the net electric field at the origin produced by this distribution of charge?
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Transcribed Image Text:21.84 •• CALC A semicircle of
Figure P21.84
radius a is in the first and second
y
quadrants, with the center of cur-
vature at the origin. Positive charge
+Q is distributed uniformly around
the left half of the semicircle, and
+Q
negative charge -Q is distributed
uniformly around the right half of
the semicircle (Fig. P21.84). What
are the magnitude and direction of the net electric field at the origin
produced by this distribution of charge?
X
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