Consider the following initial value problem: y" +9y = sint - U2(t) sin(t - 2π); y(0) = 0, y'(0) = 0; (a) Sketch the graph of the forcing function on an appropriate interval 0 π/4 л/2 3л/4 5/4 3/2 7/4 2 where c = (b) Find the solution of the given initial value problem. NOTE: Denote the Heaviside function by u(t) where ue(t) = 1 ift≥c and 0 otherwis Indicate separately the value of c. y(t) = 9/4 5/2 11n/43 (c) Use a graphing utility to view the graph of the solution. (d) Explain how the graphs of the forcing function and the solution are related. When the external force is on, the solution is periodic with a period Choose one ▾ and an amplitude When the external force is removed, the solution Choose one

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Consider the following initial value problem:
y" +9y = sint - U2π(t) sin(t – 2π); y(0) = 0, y'(0) = 0;
(a) Sketch the graph of the forcing function on an appropriate interval
J
π/2 3л/4
5/4 3/2 7/4 2
1
(b) Find the solution of the given initial value problem.
NOTE: Denote the Heaviside function by u(t) where ue(t) = 1 if t≥c and 0 otherwise
Indicate separately the value of c.
y(t) =
=
where c =
(c) Use a graphing utility to view the graph of the solution.
(d) Explain how the graphs of the forcing function and the solution
are related.
When the external force is on, the solution is periodic with a period
and an amplitude
9/4 5/2 11n/43
Choose one ▾
When the external force is removed,
the solution [Choose one ▾
Transcribed Image Text:Consider the following initial value problem: y" +9y = sint - U2π(t) sin(t – 2π); y(0) = 0, y'(0) = 0; (a) Sketch the graph of the forcing function on an appropriate interval J π/2 3л/4 5/4 3/2 7/4 2 1 (b) Find the solution of the given initial value problem. NOTE: Denote the Heaviside function by u(t) where ue(t) = 1 if t≥c and 0 otherwise Indicate separately the value of c. y(t) = = where c = (c) Use a graphing utility to view the graph of the solution. (d) Explain how the graphs of the forcing function and the solution are related. When the external force is on, the solution is periodic with a period and an amplitude 9/4 5/2 11n/43 Choose one ▾ When the external force is removed, the solution [Choose one ▾
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