Consider the initial value problem modeling the motion of a spring-mass-dashpot system initially at rest and subjected to an applied force F(t), where the unit of force is the Newton (N). Assume that m = 2 kilograms, c = 8 kilograms per second, k = 80 Newtons per meter, and F(t) = 100 cos(81) Newtons. a. Solve the initial value problem. y(t) = my" + cy' + ky = F(t), y(0) = 0, y'(0) = 0 For very large positive values of t, y(t) ~ help (formulas) 1-00 b. Determine the long-term behavior of the system. Is lim y(t) = 0? If it is, enter zero. If not, enter a function that approximates y(t) for very large positive values of t. help (formulas)
Consider the initial value problem modeling the motion of a spring-mass-dashpot system initially at rest and subjected to an applied force F(t), where the unit of force is the Newton (N). Assume that m = 2 kilograms, c = 8 kilograms per second, k = 80 Newtons per meter, and F(t) = 100 cos(81) Newtons. a. Solve the initial value problem. y(t) = my" + cy' + ky = F(t), y(0) = 0, y'(0) = 0 For very large positive values of t, y(t) ~ help (formulas) 1-00 b. Determine the long-term behavior of the system. Is lim y(t) = 0? If it is, enter zero. If not, enter a function that approximates y(t) for very large positive values of t. help (formulas)
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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Transcribed Image Text:Consider the initial value problem
modeling the motion of a spring-mass-dashpot system initially at rest and subjected to an applied force F(t), where the unit of force is the Newton (N).
Assume that m = 2 kilograms, c = 8 kilograms per second, k = 80 Newtons per meter, and F(t) = 100 cos(8t) Newtons.
a. Solve the initial value problem.
y(t) =
my" + cy' + ky = F(t), y(0) = 0, y'(0) = 0
For very large positive values of t, y(t) ~
help (formulas)
1→∞
b. Determine the long-term behavior of the system. Is lim y(t) = 0? If it is, enter zero. If not, enter a function that approximates y(t) for very large
positive values of t.
help (formulas)
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