clear;
clc;
printf("\t\t\tProblem Number 2.3\n\n\n");
// Chapter 2: Work, Energy, and Heat
// Problem 2.3 (page no. 62) 
// Solution

//Given
k=20*1000; // Unit:N/m  //k=20kN //k=spring constant
l=0.075; //Unit:meter  //l=75 mm //l= length of compression of string
work=(1/2)*k*l^2; //force-displacement relation //Unit:N*m
printf("Workdone is %f Jule",work);