Respostas

2013-10-09T01:39:35-03:00
T = 4 min =240 s
s= 1200 km= 1200000m

v=s/t v= 1200000/240 v = 5000 m/s
  • Usuário do Brainly
2013-10-09T01:39:41-03:00
200km = 200000m
4min = 240seg

logo:

vm = ¤s / ¤t
vm = 200000/240
vm = 833,33 m/s