Respostas

2014-03-04T14:11:31-03:00
S= 20 m
Vm=10 m/s

Vm= S/t
10=20/t
10t=20
t=20/10------> t=2 s
1 5 1
2014-03-04T14:17:27-03:00
VM= ΔS/ΔT
10= 20/ΔT
ΔT=20/10
ΔT= 2s
1 5 1