3.1 The displacement u(x, t) of a rod is a function of position x and time t is given by the following equation. u(x,t) = [Asin (3x) + Bcos ( $(43*)]. [Csin(wt) + Dcos(wt)] +3 Find the value of constant k if u(x, t) satisfies the following partial differential equation อน อน ax² dt² k- = 0

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 67E
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assume that , 

a = 0

b = 6

Question No. 3
3.1
The displacement u(x, t) of a rod is a function of position x and time t is given by the following equation.
u(x, t) = [Asin (
= [Asin (3x) + Bcos (3x)]. [Csin(wt) + Dcos(wt)]
a +3
a +37
Find the value of constant k if u(x, t) satisfies the following partial differential equation
3.2
The ideal gas equation is given by
อน อน
at²
k-
ax²
0
PV
R
where T is the temperature, V is the volume, P is the pressure and R is the gas constant.
T
Temperature is decreasing at (a+3) units/s and pressure is increasing at (b+2) units/s Find the rate of
the change of volume when the gas constant is 8.13 units, the temperature is 3a+10 units and the
pressure is 2b+7 units.
Transcribed Image Text:Question No. 3 3.1 The displacement u(x, t) of a rod is a function of position x and time t is given by the following equation. u(x, t) = [Asin ( = [Asin (3x) + Bcos (3x)]. [Csin(wt) + Dcos(wt)] a +3 a +37 Find the value of constant k if u(x, t) satisfies the following partial differential equation 3.2 The ideal gas equation is given by อน อน at² k- ax² 0 PV R where T is the temperature, V is the volume, P is the pressure and R is the gas constant. T Temperature is decreasing at (a+3) units/s and pressure is increasing at (b+2) units/s Find the rate of the change of volume when the gas constant is 8.13 units, the temperature is 3a+10 units and the pressure is 2b+7 units.
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