Adicionada por Olavo Miranda Martins on 13 00, 2004 at 11:00:47:
h=v0t + 1/2a(t)2 h/2=1/2 g(t1)2 h/2=v0t2 + 1/2g(t2)2
vf=v0 + at = gt1
(t1)2=h/g (t2)2=(h/2 - gt1t2)/(1/2g)
cheguei neste ponto e nao consegui fazer t1/t2