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clc;
warning("off");
printf("\n\n example2.9 - pg44");
// given
A=5; //[m^2] - area of the plates
Ft=0.083 //[N] - force on the top plate
Fb=-0.027; //[N] - force on the bottom plate
ut=-0.3; //[m/sec] - velocity of the top plate
ub=0.1; //[m/sec] - velocity of the bottom plate
dely=0.01; //[m]
delux=ut-ub; //[m/sec]
// using the formula tauyx=F/A=-mu(delux/dely)
tauyx=(Ft-Fb)/A;
mu=tauyx/(-delux/dely); //[Ns/m^2]
mu=mu*10^3; //[cP]
printf("\n\n The viscosity of toulene in centipose is %fcP",mu);
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