
MATERIALS SCI.+ENGR.:INTRO.-NEXTGEN
10th Edition
ISBN: 9781119503941
Author: Callister
Publisher: WILEY
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Chapter 9, Problem 3FEQP
To determine
The following phase/phases combinations present for an alloy of composition 46wt%Sn-54wt%Pb at
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should note: it is no coincidence that the inductor current and the
resistor voltage have the same exponential dependence!
PRACTICE
8.5 Determine the inductor voltage v in the circuit of Fig. 8.16 for
t > 0.
Ans: -25e-2t V.
6Ω
ww
4Ω
w
+
t = 0
ν
10 V
ele
ic
5 H
FIGURE 8.16 Circuit for Practice Problem 8.5.
3. Determine the range of K for stability of the following feedback control system
U(s) +
K
G(s)
→Y(s)
where
1
G(s)
s(s + 1)(s + 2)
To solve this problem, you should first find the closed-loop transfer function and
then apply Routh Hurwitz criterion.
Consider the following static route choice problem where 110 vehicles travel from point A to
point B. The corresponding travel time (in minutes) of each link is as follows:
t₁ = x1 ; t₂ =
= x2 + 20; t3 = x3 + 10; t₁ = 3x4
where
Xi
denotes the number of vehicles that choose link i.
Find the number of vehicles that travel on each link when
a. The user equilibrium condition (UE) is satisfied, where vehicles select the route with the
minimum travel time; and
b. The system optimum condition (SO) is satisfied, where the total travel time is minimised.
C.
Report the total delay savings when satisfying SO instead of UE.
2
A
B
3
4
Chapter 9 Solutions
MATERIALS SCI.+ENGR.:INTRO.-NEXTGEN
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Similar questions
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