Respostas

2014-06-15T22:34:25-03:00
S=si+vi.t+a/2.t²
s=65+2t-3t²
a)Si=65m
b)Vi=2m/s
c)-3.2=-6m/s²
d)V=Vi+a.t
V=2+(-6).2
V=2-12
V=-10m/s