y" + 9n²y = 3ñd(t – 4), a. Find the Laplace transform of the solution. Y(s) = L{y(t)} b. Obtain the solution y(t). y(t): y(t) = c. Express the solution as a piecewise-defined function and think about what happens to the graph of the solution at t = 4. = { y(0) = 0, y'(0) = 0. if 0 ≤ t < 4, if 4 < t < c.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Question
Consider the following initial value problem, in which an
input of large amplitude and short duration has been
idealized as a delta function.
y" + 9n² y
3πd(t – 4),
a. Find the Laplace transform of the solution.
=
Y(s) = L{y(t)}
b. Obtain the solution y(t).
y(t)
y(t)
=
=
c. Express the solution as a piecewise-defined
function and think about what happens to the
graph of the solution at t = 4.
-
{
y(0) = 0, y'(0) = 0.
if 0 ≤ t < 4,
if 4 < t < ∞.
).
Transcribed Image Text:Consider the following initial value problem, in which an input of large amplitude and short duration has been idealized as a delta function. y" + 9n² y 3πd(t – 4), a. Find the Laplace transform of the solution. = Y(s) = L{y(t)} b. Obtain the solution y(t). y(t) y(t) = = c. Express the solution as a piecewise-defined function and think about what happens to the graph of the solution at t = 4. - { y(0) = 0, y'(0) = 0. if 0 ≤ t < 4, if 4 < t < ∞. ).
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