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//Example 5_12
clc();
clear;
//How far the average velocity and how far beyond B does the car goes
m=2000 //units in Kg
vb=5 //units in meters/sec
va=20 //units in meters/sec
hb_ha=8 //units in meters
g=9.8 //units in meters/sec^2
sab=100 //units in meters
f=-((0.5*m*(vb^2-va^2))+(m*g*(hb_ha)))/sab //units in Newtons
printf("Average frictional force is f=%d N\n",f)
Sbe=(0.5*m*vb^2)/f //units in meters
printf("The distance by which the car goes beyond is Sbe=%.1f meters",Sbe)
//In text book answer is printed wrong as f=2180 N but correct answer is f=2182N
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