Respostas

  • Usuário do Brainly
2014-07-19T22:14:41-03:00
80/3,6 ≈ 22,2 m/s
V = S/t
22,2 = 30/t
t = 30/22,2
t ≈ 1,35 s
2014-07-19T22:28:38-03:00