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+//developed in windows XP operating system 32bit

+//platform Scilab 5.4.1

+clc;clear;

+//example 11.11w

+//calculation of time period of the pendulum if used at the equator

+

+//given data

+t=2//time period (in s) of the pendulum at North pole

+g=9.8//gravitational acceleration(in m/s^2) of the earth

+G=6.67*10^-11//universal constant of gravitation(in N-m^2/kg^2)

+w=(2*%pi)/(24*60*60)//angular velocity(in rad/s) of the earth

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

+

+//calculation

+//By equilibrium conditions,we get

+//t = 2*%pi*sqrt(l/g)..............................(1)

+//tdash = 2*%pi*sqrt(l/(g-(w*w*R)).................(2)

+//from equations (1) and (2),we get

+tdash=t*(1+(w*w*R/(2*g)))

+

+printf('the value of time period of the pendulum if used at the equator is %3.4f s',tdash)