Question

A body dropped from a heigth H .the time taken to cover second half of journey is?​

Answer 1

Explanation:

total journey so h=H,t=t,u=u,v=v,g=g

time for half journey so when distance is h/2

now take equation s=v+u/2×t

h/2=v+u/2×t

h=(v+u)×t

t=h/(v+u)