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+//developed in windows XP operating system 32bit

+//platform Scilab 5.4.1

+clc;clear;

+//example 11.10w

+//calculation of the stretch produced in the spring

+

+//given data

+d=1*10^-2//stretch(in m) of the spring

+R=6400*10^3//radius(in m) of the earth

+h=800*10^3//height(in m) above the earth's surface

+

+//calculation

+//The extension in the spring on the surface is 

+//1*10^-2 = (G*M*m)/(k*R^2)...........(1)

+//The extension in the spring at height h above the surface

+//x = (G*M*m)/(k*(R+h)^2).............(2)

+//from above equations,we get

+x=d*((R^2)/(R+h)^2)

+

+printf('the stretch produced in the spring is %3.2f cm',x*10^2)