Question

Help me with the physics problem

Answer 1

Your answer is (2)
average velocity = v+u/2

average velocity = S/t
using equation of motion
S/t = S×a/(v-u)
= aS/(v-u)
= (v^2-u^2)/2(v-u)
= v+u/2

Answer 2

V+u/2 coz we have to take the avg