Question

pls give the ans with full solution

Answer 1

Initial velocity=Vo
acceleration=
$a {t}^{2} \\ acceleration = \frac{dv}{dt} \\ a {t}^{2} = \frac{dv}{dt} \\ v = \frac{a {t}^{3} }{3} by \: integration \: wrt \: t$
so final velocity will be

V=Vo+at^3/3