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//Example 5_9
clc();
clear;
//To find out how fast a a ball is going
m=3 //units in Kg
g=9.8 //units in meters/sec^2
hf=0 //units in meters
h0=4 //units in meters
vf=2*sqrt(((m*g*-(hf-h0))*0.5)/m) //units in meters/sec
printf("The ball is moving with a speed of vf=%.2f meters/sec",vf)
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