Respostas

  • Usuário do Brainly
2014-04-04T17:50:20-03:00
Δt = t2 - t1 = 12:35 -12:15 = 20
Δs = s2 - s1 = 7 - 2 = 5

Vm = 20 / 5
Vm  = 4 m/s