Finding distance and time? i already found out half of the problem.

[mandaa123]

Homework Statement

A baseball is seen to pass upward by a window 21 m above the street with a vertical speed of 14 m/s. The ball was thrown from the street.

i already found out that initial speed is 24.65806156 and it passed the window after 1.086442406 s.
so, i need to figure out:

What altitude does it reach?
and
After how many more seconds does it reach the street again?

Homework Equations

i don't know.

The Attempt at a Solution

i tryed using the distance formula with my knowns but it i can't get the right answer.

i really need help, this homework is due in a few hours : /

 

[Doc Al]

Show what you tried. (How did you solve for the initial speed? A similar method can be used.)