Respostas

2014-07-29T16:16:30-03:00
Sf=Si+Vi+ \frac{a}{2} *t^2

a) Si=8m, Vi=4m/s e a=6m/s²

b) S(t)=8+4*t+ \frac{6}{2} *t^2

c) v=4+6*2
v=4+12
v=16m/s


Mto obg...vc me ajudou mto... Obg !!!