//Initilization of variables
m=10 //kg
d=1.2 //m
g=9.8 //m/s^2
//Calculations
//Initilial KE is zero
//Final KE is(without v^2 term in it)
KE2=(3/4)*10
//Work Done
U=m*g*d //N.m
//Velocity calculations
v=sqrt(U/KE2) //m/s
//Result
clc
printf('The velocity is %fm/s',v)