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.
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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Transcribed Image Text: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
1b Find the strength of the electric field at this location.
Please write your answer in SI units and times your
answer by 10-10.
Answer
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