Question

A car starts with velocity 10 m/s and accelerates at rate 5 m/s2. find the final velocity when the car has travelled a distance 30 m. [2010 (t-i)]

Answer 1

answer is 20 m/s because if we will use
v^2=u^2+2as
=10^2+2×5×30
=100+300
=400
so,v^2=400
then v=20

Hope it helps you