TAREFA 2 (queda livre)

#include <stdio.h>
#include <math.h>

#define g 9.8
#define y0 30
#define x0 0
#define v0y 0

int main(void)
{

  double t,tv,y=y0,x=x0,vy;
  tv=sqrt(2*y0/g);

  for (t=0;t<=tv;t+=0.001)
    {
      y=y0-g*t*t/2.;
      vy=v0y-g*t;
      printf("%lf\t %lf\t %lf\n",t,y,vy);
    }


  return 0;

}

// plotando no gnuplot:
// plot "t2q1ia.dat" using 1:2 -> plot grafico yxt
// plot "t2q1ia.dat" using 1:3 -> plot grafico vyxt
// plot "t2q1ia.dat" using 2:3 -> plot grafico vyxy