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A plastic rod 1.9 m long is rubbed all over with wool, and acquires a charge of -4e-08 coulombs. We choose the center of the rod to be the origin of our coordinate system, with the x-axis extending to the right, the y-axis extending up, and the z-axis out of the page. In order to calculate the electric field at location A = < 0.7, 0, 0 > m, we divide the rod into 8 pieces, and approximate each piece as a point charge located at the center of the piece. (a) What is the length of one of these pieces? { = = 0.2375 m (b) What is the location of the center of piece number 1? m. 12345 6 78 hab g A C e j zero magnitude (c) How much charge is on piece number 1? (Remember that the charge is negative.) × coulombs (d) Approximating piece 1 as a point charge, what is the electric field at location A due only to piece 1? N/C (e) To get the net electric field at location A, we would need to calculate Ễ due each of the 8 pieces, and add up these contributions. If we did that, which arrow above would best represent the direction of the net electric field at location A? ---Select--- ✓ ☑ Ει =

A plastic rod 1.9 m long is rubbed all over with wool, and acquires a charge of -4e-08 coulombs. We choose the center of the rod to be the origin of our coordinate system, with the x-axis extending to the right, the y-axis extending up, and the z-axis out of the page. In order to calculate the electric field at location A = < 0.7, 0, 0 > m, we divide the rod into 8 pieces, and approximate each piece as a point charge located at the center of the piece. (a) What is the length of one of these pieces? { = = 0.2375 m (b) What is the location of the center of piece number 1? m. 12345 6 78 hab g A C e j zero magnitude (c) How much charge is on piece number 1? (Remember that the charge is negative.) × coulombs (d) Approximating piece 1 as a point charge, what is the electric field at location A due only to piece 1? N/C (e) To get the net electric field at location A, we would need to calculate Ễ due each of the 8 pieces, and add up these contributions. If we did that, which arrow above would best represent the direction of the net electric field at location A? ---Select--- ✓ ☑ Ει =

University Physics Volume 2
University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
Publisher:OpenStax
Chapter6: Gauss's Law
Section: Chapter Questions
Problem 55P: The electric field 10.0 cm from the surface of a copper ball of radius 5.0 cm is directed toward the...
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A plastic rod 1.9 m long is rubbed all over with wool, and acquires a charge of -4e-08 coulombs. We choose the center of the rod to be the origin of our coordinate system, with the x-axis extending to the right, the y-axis extending up, and the z-axis out of the page. In order to calculate the electric field at location A = < 0.7, 0, 0 > m, we divide the rod into 8 pieces, and approximate each piece as a point charge located at the center of the piece. (a) What is the length of one of these pieces? { = = 0.2375 m (b) What is the location of the center of piece number 1? m. 12345 6 78 hab g A C e j zero magnitude (c) How much charge is on piece number 1? (Remember that the charge is negative.) × coulombs (d) Approximating piece 1 as a point charge, what is the electric field at location A due only to piece 1? N/C (e) To get the net electric field at location A, we would need to calculate Ễ due each of the 8 pieces, and add up these contributions. If we did that, which arrow above would best represent the direction of the net electric field at location A? ---Select--- ✓ ☑ Ει =
Transcribed Image Text:A plastic rod 1.9 m long is rubbed all over with wool, and acquires a charge of -4e-08 coulombs. We choose the center of the rod to be the origin of our coordinate system, with the x-axis extending to the right, the y-axis extending up, and the z-axis out of the page. In order to calculate the electric field at location A = < 0.7, 0, 0 > m, we divide the rod into 8 pieces, and approximate each piece as a point charge located at the center of the piece. (a) What is the length of one of these pieces? { = = 0.2375 m (b) What is the location of the center of piece number 1? m. 12345 6 78 hab g A C e j zero magnitude (c) How much charge is on piece number 1? (Remember that the charge is negative.) × coulombs (d) Approximating piece 1 as a point charge, what is the electric field at location A due only to piece 1? N/C (e) To get the net electric field at location A, we would need to calculate Ễ due each of the 8 pieces, and add up these contributions. If we did that, which arrow above would best represent the direction of the net electric field at location A? ---Select--- ✓ ☑ Ει =
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