Respostas

2014-06-25T15:32:57-03:00
 vm=Δs/Δt       Vm= 180/ 2     vm= 90 km/h
  • Usuário do Brainly
2014-06-25T15:59:40-03:00
V = S/T 
V = 180/2
V = 90 km/h