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A thin plastic rod, of length 4 m, lies along the x-axis (only a portion of the rod is shown in the diagram). It has a charge of uniformly distributed over its surface. A thin disk, of radius 4.5 cm, is centered at (5, 11, 0) cm. It has a uniform charge o y

A thin plastic rod, of length 4 m, lies along the x-axis (only a portion of the rod is shown in the diagram). It has a charge of uniformly distributed over its surface. A thin disk, of radius 4.5 cm, is centered at (5, 11, 0) cm. It has a uniform charge o y

Principles of Physics: A Calculus-Based Text
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter19: Electric Forces And Electric Fields
Section: Chapter Questions
Problem 13OQ: Two point charges attract each other with an electric force of magnitude F. If the charge on one of...
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A thin plastic rod, of length 4 m, lies along the x-axis (only a portion of the rod is shown in the diagram). It has a charge of -255 nC uniformly distributed over its surface. A thin disk, of radius 4.5 cm, is centered at (5, 11, 0) cm. It has a uniform charge of +17 nC. y disk rod Calculate the force on a small ball with charge -8 nC placed at (0, 11, 0) cm. Your answer must be a vector. Clearly show all steps in your work. i i )N
Transcribed Image Text:A thin plastic rod, of length 4 m, lies along the x-axis (only a portion of the rod is shown in the diagram). It has a charge of -255 nC uniformly distributed over its surface. A thin disk, of radius 4.5 cm, is centered at (5, 11, 0) cm. It has a uniform charge of +17 nC. y disk rod Calculate the force on a small ball with charge -8 nC placed at (0, 11, 0) cm. Your answer must be a vector. Clearly show all steps in your work. i i )N
Expert Solution
Step 1

We have to calculate here the force on the small charge ball due to a rod and circular disc. 

We know that the electric field due to a rod of length 2l at an axial point at a distance y from the rod, 

Physics homework question answer, step 1, image 1

E1 = Q4πε0yy2+l2-y^We know that  for rod Q = -255×10-9 C y= 0.11 m l= 2 m 

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