Question

A car start from rest and is accelerated uniform at the rate of 2m/s'² for 6 seconds. If then maintain a constant speed for half a minutes. The breaks are then applied and the vehicle uniformly retardetered in 5 second. The maximum speed reached in km/h and the total distant covered in metres

Answer 1

Good

Answer 2

So where is your attempt to do this?
You expect some old retired professor to do your homework for you?
We are here to help students, not replace them.
if a = constant
then
v = Vi + a t
x =Xi + Vi t + (1/2) a t^2