21.86 * CALC A semicircle of radius a is in the first and Figure P21.86 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 -Q 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? -0
21.86 * CALC A semicircle of radius a is in the first and Figure P21.86 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 -Q 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? -0
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Transcribed Image Text:21.86 - CALC A semicircle
of radius a is in the first and Figure P21.86
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 -Q 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?
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