Explain the evolution of the first accounts of civil engineering in history and its changes over period. Also illustrate new area and reason for becoming part of civil engineering.

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Answer 1

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Chapter 1, Problem 1.9A

i.

To determine

Explain the evolution of the first accounts of civil engineering in history and its changes over period. Also illustrate new area and reason for becoming part of civil engineering.

ii.

To determine

A significant American civil engineering project and tell its importance in the history of united states.

iii.

To determine

In simple term, construction of any: a bridge, a canal, or a sewer.

iv.

To determine

The connection between mining engineering and civil engineering.

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find the laplace transform for the flowing function 2(1-e) Ans. F(s)=- S 12) k 0 Ans. F(s)= k s(1+e) 0 a 2a 3a 4a 13) 2+ Ans. F(s)= 1 s(1+e") 3 14) f(t)=1, 0

Find the solution of the following Differential Equations Using Laplace Transforms 1) 4y+2y=0. y(0)=2. y'(0)=0. 2) y+w²y=0, (0)=A, y'(0)=B. 3) +2y-8y 0. y(0)=1. y'(0)-8. 4)-2-3y=0, y(0)=1. y'(0)=7. 5) y-ky'=0, y(0)=2, y'(0)=k. 6) y+ky'-2k²y=0, y(0)=2, y'(0) = 2k. 7) '+4y=0, y(0)=2.8 8) y+y=17 sin(21), y(0)=-1. 9) y-y-6y=0, y(0)=6, y'(0)=13. 10) y=0. y(0)=4, y' (0)=0. 11) -4y+4y-0, y(0)=2.1. y'(0)=3.9 12) y+2y'+2y=0, y(0)=1, y'(0)=-3. 13) +7y+12y=21e". y(0)=3.5. y'(0)=-10. 14) "+9y=10e". y(0)=0, y'(0)=0. 15) +3y+2.25y=91' +64. y(0)=1. y'(0) = 31.5 16) -6y+5y-29 cos(2t). y(0)=3.2, y'(0)=6.2 17) y+2y+2y=0, y(0)=0. y'(0)=1. 18) y+2y+17y=0, y(0)=0. y'(0)=12. 19) y"-4y+5y=0, y(0)=1, y'(0)=2. 20) 9y-6y+y=0, (0)-3, y'(0)=1. 21) -2y+10y=0, y(0)=3, y'(0)=3. 22) 4y-4y+37y=0, y(0)=3. y'(0)=1.5 23) 4y-8y+5y=0, y(0)=0, y'(0)=1. 24) ++1.25y-0, y(0)=1, y'(0)=-0.5 25) y 2 cos(r). y(0)=2. y'(0) = 0. 26) -4y+3y-0, y(0)=3, y(0) 7. 27) y+2y+y=e y(0)=0. y'(0)=0. 28) y+2y-3y=10sinh(27), y(0)=0. y'(0)=4. 29)…

Auto Controls A union feedback control system has the following open loop transfer function where k>0 is a variable proportional gain i. for K = 1 , derive the exact magnitude and phase expressions of G(jw). ii) for K = 1 , identify the gaincross-over frequency (Wgc) [where IG(jo))| 1] and phase cross-overfrequency [where <G(jw) = - 180]. You can use MATLAB command "margin" to obtain there quantities. iii) Calculate gain margin (in dB) and phase margin (in degrees) ·State whether the closed-loop is stable for K = 1 and briefly justify your answer based on the margin . (Gain marginPhase margin) iv. what happens to the gain margin and Phase margin when you increase the value of K?you You can use for loop in MATLAB to check that.Helpful matlab commands : if, bode, margin, rlocus NO COPIED SOLUTIONS

Answer 2

Question

Chapter 1, Problem 1.9A

i.

To determine

Explain the evolution of the first accounts of civil engineering in history and its changes over period. Also illustrate new area and reason for becoming part of civil engineering.

ii.

To determine

A significant American civil engineering project and tell its importance in the history of united states.

iii.

To determine

In simple term, construction of any: a bridge, a canal, or a sewer.

iv.

To determine

The connection between mining engineering and civil engineering.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 3

Question

Chapter 1, Problem 1.9A

i.

To determine

Explain the evolution of the first accounts of civil engineering in history and its changes over period. Also illustrate new area and reason for becoming part of civil engineering.

ii.

To determine

A significant American civil engineering project and tell its importance in the history of united states.

iii.

To determine

In simple term, construction of any: a bridge, a canal, or a sewer.

iv.

To determine

The connection between mining engineering and civil engineering.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 1, Problem 1.9A

i.

To determine

Explain the evolution of the first accounts of civil engineering in history and its changes over period. Also illustrate new area and reason for becoming part of civil engineering.

ii.

To determine

A significant American civil engineering project and tell its importance in the history of united states.

iii.

To determine

In simple term, construction of any: a bridge, a canal, or a sewer.

iv.

To determine

The connection between mining engineering and civil engineering.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 1, Problem 1.9A

i.

To determine

Explain the evolution of the first accounts of civil engineering in history and its changes over period. Also illustrate new area and reason for becoming part of civil engineering.

ii.

To determine

A significant American civil engineering project and tell its importance in the history of united states.

iii.

To determine

In simple term, construction of any: a bridge, a canal, or a sewer.

iv.

To determine

The connection between mining engineering and civil engineering.

Answer 6

Chapter 1, Problem 1.9A

i.

To determine

Explain the evolution of the first accounts of civil engineering in history and its changes over period. Also illustrate new area and reason for becoming part of civil engineering.

Answer 7

Chapter 1, Problem 1.9A

i.

To determine

Explain the evolution of the first accounts of civil engineering in history and its changes over period. Also illustrate new area and reason for becoming part of civil engineering.

Answer 8

ii.

To determine

A significant American civil engineering project and tell its importance in the history of united states.

Answer 9

ii.

To determine

A significant American civil engineering project and tell its importance in the history of united states.

Answer 10

iii.

To determine

In simple term, construction of any: a bridge, a canal, or a sewer.

Answer 11

iii.

To determine

In simple term, construction of any: a bridge, a canal, or a sewer.

Answer 12

iv.

To determine

The connection between mining engineering and civil engineering.

Answer 13

iv.

To determine

The connection between mining engineering and civil engineering.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 1 - Prob. 1.1A Ch. 1 - Prob. 1.2A Ch. 1 - Prob. 1.3A Ch. 1 - Prob. 1.4A Ch. 1 - Prob. 1.5A Ch. 1 - Prob. 1.6A Ch. 1 - Prob. 1.7A Ch. 1 - Prob. 1.8A Ch. 1 - Prob. 1.9A Ch. 1 - Prob. 1.10A

Explain the evolution of the first accounts of civil engineering in history and its changes over period. Also illustrate new area and reason for becoming part of civil engineering.

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Explain the evolution of the first accounts of civil engineering in history and its changes over period. Also illustrate new area and reason for becoming part of civil engineering.

A significant American civil engineering project and tell its importance in the history of united states.

In simple term, construction of any: a bridge, a canal, or a sewer.

The connection between mining engineering and civil engineering.

Want to see the full answer?

Chapter 1 Solutions