clc
clear all
disp('name')
disp('section')
disp('date')
disp('This program finds the lift of an airfoil')
% p=density (kg/m^3)
p  =1.247; 
% a=area (m^2)
a  =2.4510;
% cl=lift coef (unitless)
cl =0.8100;
% v=velocity (m/sec)
v  =input('enter the velocity (m/s): ');
% lift formula is below
lift=(1/2)*p*a*cl*(v^2);
fprintf('velocity is %g m/s\n',v)
fprintf('the lift force is %g N\n',lift)