A CD disk of radius ( R = 3 cm ) is sprayed witha charged paint so that the charge variescontinually with radial distance r from thecenter in the following manner: = -(4.5C/m)r/R. Find the potential at a point 4 cm above the center. 1a Please give your answer in Sl units and multiply by 10-⁹. Answer -1.65 Show feedback Updated VC 1b Find the strength of the electric field at this location.
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