Respostas

2014-07-21T10:02:08-03:00
 \frac{a = Vf-Vi}{t}  \\ 
 \frac{a=42-22}{11} \\ 
 \frac{a = 20m/s}{11s}
a = \frac{20}{11} m/s^{2} 
 \\
\frac{a = Vf-Vi}{t} \\ 
 \frac{a=42-22}{11} \\ 
 \frac{a = 20m/s}{11s}
a = \frac{20}{11} m/s^{2} 
 \\