(height) h(t) = v(t) (velocity) i(t) = g - av(t) Assume zero initial conditions, i.e., h(0) = 0, v(0) = 0, and g = 10, a = 2. a) Use the velocity equation to find out the Laplace transform of the speed of the falling sky-diver. b) Use the Laplace transform above to calculate the time-domain trajectory of the velocity. c) Apply Final Value Theorem to calculate the steady-state velocity that the sky-diver will reach (assuming there is sufficient time to reach the steady-state speed we do not want any broken bones, do we?) d) Use the height equation to calculate the time-domain trajectory of the fallen height.
(height) h(t) = v(t) (velocity) i(t) = g - av(t) Assume zero initial conditions, i.e., h(0) = 0, v(0) = 0, and g = 10, a = 2. a) Use the velocity equation to find out the Laplace transform of the speed of the falling sky-diver. b) Use the Laplace transform above to calculate the time-domain trajectory of the velocity. c) Apply Final Value Theorem to calculate the steady-state velocity that the sky-diver will reach (assuming there is sufficient time to reach the steady-state speed we do not want any broken bones, do we?) d) Use the height equation to calculate the time-domain trajectory of the fallen height.
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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Step 1: Analysis and Introduction
Given Information:
Velocity:
Height: .
Initial conditions: .
To find:
a) Laplace Transform of the velocity.
b) Velocity.
c) Velocity using final value theorem.
d) Height.
Concept used:
Final Value Theorem:
The final value theorem of Laplace transform states that if has the Laplace Transform as ,
then .
Laplace & Inverse Laplace formula:
1)
2)
3)
Integration formula:
Here, is any constant and is the integrating constant.
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