Ball Speed at Window Top from 38.8m Building: 13m in 2s

[mbecker19]

A ball is thrown downward from the top of a building that is 38.8 m tall. The ball passes the top of a window 13.0 m above the ground 2.00 s after being thrown. What is the speed of the ball as it passes the top of the window?

 

[rl.bhat]

Find the distance between the top of the building and the top of the window.Then using kinamatic equation find the velocity.