jakezika 09/09/2013 S=s0+v0+1.gt² 280=0+0.t+1 10t² 280=5t²80 = t ² 540=t²(raiz quadrada de 40)=tt=6,3v=v0-10.6,3v=0-63v=63
jakezika
S=s0+v0+1.gt²
2
80=0+0.t+1 10t²
2
80=5t²
80 = t ²
5
40=t²
(raiz quadrada de 40)=t
t=6,3
v=v0-10.6,3
v=0-63
v=63