EBK THINKING LIKE AN ENGINEER
4th Edition
ISBN: 8220103633512
Author: OHLAND
Publisher: PEARSON
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Textbook Question
Chapter 7, Problem 33RQ
Based on the following equation, express the unknown variable in terms of fundamental dimensions.
α in the expression: α σ Cp = k
where
σ [=] moles per ampere squared [mol/ A2 ]
Cp [=] calories per kilogram degrees Celsius [cal/ (kg"C)]
k [=] watts per meter [W / m]
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Exercises
Find the solution of the following Differential Equations
1) y" + y = 3x²
3)
"+2y+3y=27x
5) y"+y=6sin(x)
7) y"+4y+4y = 18 cosh(x)
9) (4)-5y"+4y = 10 cos(x)
11) y"+y=x²+x
13) y"-2y+y=e*
15) y+2y"-y'-2y=1-4x³
2) y"+2y' + y = x²
4) "+y=-30 sin(4x)
6) y"+4y+3y=sin(x)+2 cos(x)
8) y"-2y+2y= 2e* cos(x)
10) y+y-2y=3e*
12) y"-y=e*
14) y"+y+y=x+4x³ +12x²
16) y"-2y+2y=2e* cos(x)
Chapter 7 Solutions
EBK THINKING LIKE AN ENGINEER
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