paulricar0 22/12/2017 Móvel parti do repouso Vo = 0V = Vo +atv = 5t∆s = at²/290 = 5.t²/2180 = 5t²180/5 = t²t² = 36t = √36t = 6sv = 5•tv = 5•6v = 30m/s
paulricar0
Móvel parti do repouso Vo = 0
V = Vo +at
v = 5t
∆s = at²/2
90 = 5.t²/2
180 = 5t²
180/5 = t²
t² = 36
t = √36
t = 6s
v = 5•t
v = 5•6
v = 30m/s