# A stone is dropped from the top of a cliff

1. Aug 27, 2005

### thschica

A stone is dropped from the top of a cliff. It is seen to hit the ground below after 3.30 s. How high is the cliff?

2. Aug 28, 2005

### SGT

Use the equations of motion:
$$h = v_0 t + \frac{1}{2}gt^2$$
Where $$v_0$$ is the initial velocity (=0) and g is the acceleration due to gravity.

3. Aug 28, 2005

### ZapperZ

Staff Emeritus
Oy! Some people never learn!

The identical question was moved to the HOMEWORK section where it belongs. Please continue there. This thread is closed.