Posted by **diana** on Thursday, April 7, 2011 at 6:58pm.

Katie is on the 15th floor of a building. She throws a ball straight down from the window, which is 220 feet above the ground. How fast must she throw the ball(in feet per second) for it to hit the ground in 3 seconds?

## Answer this Question

## Related Questions

- math urgent! - Tyler is on the 15th floor of a building. She throws a ball ...
- MATH URGENT! - Madison is standing on the roof of a building that is 350 feet ...
- physics - You throw a 1kg ball out of a window 12 meters above the ground with ...
- physics - You throw a 1kg ball out of a window 12 meters above the ground with ...
- physics - You throw a 1kg ball out of a window 12 meters above the ground with ...
- Math - You throw a ball into the air with an initial vertical velocity of 31 ...
- Math- - A ball is thrown vertically upward with an initial velocity of 96 feet ...
- Physics - A boy wants to throw a ball into his friend’s window 16.0 m above. ...
- calculus - A light is attached to the wall of a building 64 feet above the ...
- calculus - A ball is dropped from the top of a building. The height, , of the ...

More Related Questions