Physics

Problem

A stone is dropped from a cliff and falls a vertical distance of

30\,\text{m}

before hitting the water below. Assuming

g = 9.8\,\text{m/s}^2

, how long was the stone in the air? a)

3.1\,\text{s}

1.7\,\text{s}

2.5\,\text{s}

4.5\,\text{s}