Posted by **Fefe** on Saturday, October 24, 2009 at 5:59pm.

A student drops a ball from the top of a tall building; the ball takes 2.8 s to reach the ground.

1. what was the ball's speed just before hitting the ground?

2. What is the height of the building?

help please?

## Answer This Question

## Related Questions

- physics - A student drops a ball from the top of a tall building; the ball takes...
- Physics - A ball is thrown horizontally from the building roof at a speed of 20 ...
- Physics - Ball A is thrown upward from the top of a building and takes 12 s to ...
- physics - A ball is thrown from the top of a building upward at an angle of 66...
- physics - A ball is thrown upward with an initial velocity of 6.0m/s by someone ...
- Physics - A ball falls from the top of a building . through the air(air ...
- physics - a tennis ball is dropped from the top of 12.2 m tall building. b) how ...
- physics - A ball is thrown upward from the top of a 27.0-m-tall building. The ...
- physics - A ball rolls along a desktop with an uniform velocity of 3 m/s. What ...
- physics - A ball rolls along a desktop with an uniform velocity of 3 m/s. What ...

More Related Questions