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clc;
warning("off");
printf("\n\n example7.21 - pg320");
// given
T=545.67; //[degR] - temperature
R=1545; //[Torr*ft^3/degR*mole] - gas constant
M=29; //[g/mole] - molecular weight
g=9.807; //[m/sec^2] - acceleration due to gravity
gc=9.807;
po=760; //[Torr] - pressure
deltaz=50; //[ft]
// using the equation p=po*exp(-(g/gc)*M*(deltaz/R*T))
p=po*%e^(-(g/gc)*M*(deltaz/(R*T)));
printf("\n\n p=%fTorr\n Thus, the pressure decrease for an elevation of 50ft is very small",p);
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