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//Example 9_11
clc();
clear;
//To find out what horsepower is required
p=1.29 //Units in Kg/Meter^3
Cd=0.45
af=2 //Units in Meter^2
v=20 //Units in meters/sec
M=1000 //units in Kg
F=(0.5*p*Cd*af*v^2)+((M/1000)*((110+(1.1*v)))) //Units in Newtons
Power=F*v //Units in Watts
Power=Power/747.3061 //units in Horse Power
reqHPower=Power^2 //unis in Horse power
printf("The required power is=%d hp",reqHPower)
//In text book the answer is printed wrong as 80 Hp the correct answer is 95Hp
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