What is the Velocity When a Ball Hits the Ground?

[thedram]

Homework Statement

The speed of a ball is v_b= L/t + gt/2 at a height h_b above the ground. What is velocity when ball hits ground?

Homework Equations

v^2 = v_i^2 + 2gh_b

The Attempt at a Solution

Tried v_2 = v_i^2 + sqrt 2gh_b This doesn't work . Any ideas

 

[G01]

What answer did you arrive at? Show your work so we can know how far you are getting and where you got stuck.