Determine the moment of inertia of the shaded area about the x-axis.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Appendix A, Problem A/011 Multistep
Determine the moment of inertia of the shaded area about the x-axis.
y
13"
4"
14.01
Parabolic
Correct
Part 2
Calculate the moment of inertia about the x-axis.
The lower curve is a parabola that can be written as y = b - kx2. Solve for b and k.
dx
dx
4"
4"
14.0"
y = b – kx?
14.0
y = b – kx?
y
13"
13"
Answers:
b =
14
in.
k =
Answer: Ix =
in. 4
0.083
in.1
Transcribed Image Text:Appendix A, Problem A/011 Multistep Determine the moment of inertia of the shaded area about the x-axis. y 13" 4" 14.01 Parabolic Correct Part 2 Calculate the moment of inertia about the x-axis. The lower curve is a parabola that can be written as y = b - kx2. Solve for b and k. dx dx 4" 4" 14.0" y = b – kx? 14.0 y = b – kx? y 13" 13" Answers: b = 14 in. k = Answer: Ix = in. 4 0.083 in.1
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