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+clc
+//initialisation of variables
+v=25*10^-2//m
+a=8//m^3/min
+t=1/60//sec/min
+f=0.015
+p=100//m
+p1=1.2//kg/m^3
+p2=2.7//m/s
+g=9.8//m/s^2
+q=998//kg/m^3
+v1=9802//N/m^3
+//CALCULATIONS
+V=(4*a*t)/((%pi)*(v)^2)//m/s
+hf=(f)*((p)*(p2)^2*(p1))/(v*2*g*v1)//m^-3
+P=v1*hf*10//Pa
+//RESULTS
+printf('The pressure drop is=% f Pa',P)