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A line of positive charge is formed into a semicircle of radius R = 60.0 cm as shown in Figure P23.41. The charge per unit length along the semicircle is given by the expression λ = λ0 cos θ. The total charge on the semicircle is 12.0 μC. Calculate the total total on a charge of 3.00 μC placed at the center of curvature P.
Figure P23.41
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