Answer:
Step-by-step explanation:
at t=0
v(0)=12(0)-1/9(0)²=0
at~t=3
v(3)=12×3-1/9×3²=36-1=35
[tex]a=\frac{v(3)-v(0)}{3} =\frac{35-0}{3} =\frac{35}{3} \\v^2-u^2=2as\\35^2-0^2=2 \times \frac{35}{3} s\\s=35^2 \times \frac{3}{70}\\s=\frac{35 \times 3}{2} =\frac{105}{2} =52.5[/tex]