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//railway carriage
//refer fig. 14.20
//Velocity of components of train are
v1x=96 //kmph
v1y=0
//Velocity components of bullet are
//v2x=0.9848*v
//v2y=0.1736*v
//Component of relative velocity of B w.r.t. A are
//vrx=0.9848*v-96
//vry=0.1736*v
//Direction of relative velocity alpha with x-axis
//tand(alpha)=((vry)/(vrx))
//thus
v=183.96 //kmph
//consider motion in y direction
vry=0.1736*51.1 //m/sec
//Time period (t)
t=(1.8)/(0.1736*51.1) //sec
printf("\nv=%.2f kmph\nt=%.3f sec",v,t)
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