- #1

MightyDogg

- 14

- 0

## Homework Statement

A baby bird falls from a nest 18m high. After the bird falls 2 meters its mother realizes and catches it 1.5m off the ground. How fast must its mother accelerated down in order to catch its baby?

## Homework Equations

[tex]x= \frac{1}{2} a t^2[/tex]

## The Attempt at a Solution

I calculated the time it took the baby bird to fall 2m. It was .638 s. Then I calculated the total it takes for the baby bird to fall 16.5m (1.5m off the ground) and it was 1.835 s. Then I subtracted the two to get the time the mother has to reach its the baby bird. That time was 1.19s. Then I plug it back into the equation with 'x' as 16.5m. I calculate acceleration to equal -23m/s^2.

Is that correct? I think it is, I just want to double check. Any help would be appreciated. Thanks.