Steady states If a function f represents a system that varies in time, the existence of lim t → ∞ f ( t ) means that the system reaches a steady state (or equilibrium). For the following systems, determine whether a steady slate exists and give the steady -state value . 75. The amplitude of an oscillator is given by a ( t ) = 2 ( t + sin t t ) .
Steady states If a function f represents a system that varies in time, the existence of lim t → ∞ f ( t ) means that the system reaches a steady state (or equilibrium). For the following systems, determine whether a steady slate exists and give the steady -state value . 75. The amplitude of an oscillator is given by a ( t ) = 2 ( t + sin t t ) .
Solution Summary: The author explains the steady state of the function a(t)=2 (t+mathrmsin
Steady statesIf a function f represents a system that varies in time, the existence of
lim
t
→
∞
f
(
t
)
means that the system reaches a steady state (or equilibrium). For the following systems, determine whether a steady slate exists and give the steady -state value.
75. The amplitude of an oscillator is given by
a
(
t
)
=
2
(
t
+
sin
t
t
)
.
Use the information to find and compare Δy and dy. (Round your answers to four decimal places.)
y = x4 + 7 x = −3 Δx = dx = 0.01
Δy =
dy =
4. A car travels in a straight line for one hour. Its velocity, v, in miles per hour at six minute intervals is shown
in the table. For each problem, approximate the distance the car traveled (in miles) using the given method,
on the provided interval, and with the given number of rectangles or trapezoids, n.
Time (min) 0 6 12 18|24|30|36|42|48|54|60
Speed (mph) 0 10 20 40 60 50 40 30 40 40 65
a.) Left Rectangles, [0, 30] n=5
b.) Right Rectangles, [24, 42] n=3
c.) Midpoint Rectangles, [24, 60] n=3
d.) Trapezoids, [0, 24] n=4
The bracket BCD is hinged at C and attached to a control cable at B. Let F₁ = 275 N and F2 = 275 N.
F1
B
a=0.18 m
C
A
0.4 m
-0.4 m-
0.24 m
Determine the reaction at C.
The reaction at C
N Z
F2
D
Chapter 2 Solutions
Single Variable Calculus: Early Transcendentals, Books a la Carte, and MyLab Math with Pearson eText -- Title-Specific Access Card Package (3rd Edition)
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