Find an expression for the electric field E at the center of the semicircle. Hint: A small piece of arc length As spans a small angle AO = As /R, where R is the radius. Express your answer in terms of the variables Q, L, unit vectors i, j, and appropriate constants. Hνα ΑΣφ ? E = Submit Request Answer Part B Evaluate the field strength if L = 15 cm and Q = 30 nC. Express your answer with the appropriate units. ? E = Value Units Submit Previous Answers Request Answer

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Question
I Review
Charge Q is uniformly distributed along a thin, flexible
rod of length L. The rod is then bent into the semicircle
shown in the figure (Figure 1).
Part A
Find an expression for the electric field E at the center of the semicircle.
Hint: A small piece of arc length As spans a small angle A0 = As /R, where R is the radius.
Express your answer in terms of the variables Q, L, unit vectors i, j, and appropriate constants.
Ην ΑΣφ
E =
Submit
Request Answer
Figure
< 1 of 1
Part B
y
Evaluate the field strength if L =
cm and Q = 30 nC.
Express your answer with the appropriate units.
HA
?
Center
L
E =
Value
Units
Submit
Previous Answers Request Answer
Transcribed Image Text:I Review Charge Q is uniformly distributed along a thin, flexible rod of length L. The rod is then bent into the semicircle shown in the figure (Figure 1). Part A Find an expression for the electric field E at the center of the semicircle. Hint: A small piece of arc length As spans a small angle A0 = As /R, where R is the radius. Express your answer in terms of the variables Q, L, unit vectors i, j, and appropriate constants. Ην ΑΣφ E = Submit Request Answer Figure < 1 of 1 Part B y Evaluate the field strength if L = cm and Q = 30 nC. Express your answer with the appropriate units. HA ? Center L E = Value Units Submit Previous Answers Request Answer
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