Consider an elastic string of length 6 whose ends are held fixed. the string is set in motion with no initial velocity from an initial position, u(x,0) = f(x) = { The constant representing the propagation speed is a = 2. (a) Find the the displacement of the string, u(x, t), for time t > 0. (b) use Desmos to animate a partial sum of the solution (for n = 100) the solution in t. (c) Draw a sketch of the solution when t = 9 for 0≤x≤ 6. 2x, 0 < x < 4 -4x+24, 4< x≤6 ·
Consider an elastic string of length 6 whose ends are held fixed. the string is set in motion with no initial velocity from an initial position, u(x,0) = f(x) = { The constant representing the propagation speed is a = 2. (a) Find the the displacement of the string, u(x, t), for time t > 0. (b) use Desmos to animate a partial sum of the solution (for n = 100) the solution in t. (c) Draw a sketch of the solution when t = 9 for 0≤x≤ 6. 2x, 0 < x < 4 -4x+24, 4< x≤6 ·
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:1. Consider an elastic string of length 6 whose ends are held fixed. the string
is set in motion with no initial velocity from an initial position,
u(x,0) = f(x) = {
The constant representing the propagation speed is a = 2.
(a) Find the the displacement of the string, u(x, t), for time t > 0.
(b) use Desmos to animate a partial sum of the solution (for n =
the solution in t.
100)
2x, 0≤x≤ 4
-4x+24, 4< x≤ 6 ·
(c) Draw a sketch of the solution when t
=
9 for 0≤x≤ 6.
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Step 1: Write the given data and what is to find
VIEWStep 2: Write the wave equation:
VIEWStep 3: Determine the solution for the time equation:
VIEWStep 4: Apply the boundary conditions to the general solution:
VIEWStep 5: Determine the value of the constant obtained from fourier sine series:
VIEWStep 6: Determine the displacement equation of the string:
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Transcribed Image Text:2. For the same string as in the above problem with the same initial position,
assume the string has initial velocity
{
u₁(x,0) = g(x) =
0, 0<x<3
15, 3≤x≤5,
0, 5< x≤6
(a) Find the the displacement of the string, u(x, t), for time t > 0.
(b) use Desmos to animate a partial sum of the solution (for n = 100)
the solution in t.
(c) Draw a sketch of the solution when t = 9 for 0 ≤ x ≤ 6.
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