A person stands from a cliff and fires a starting pistol

PHYSICS · Single correct · CBSE · Physics · Sound · Sound

Problem

A person stands

600\,\text{m}

from a cliff and fires a starting pistol. The echo of the shot is heard

3.4\,\text{s}

later. Calculate the speed of sound in air. (a)

4.0\times10^{2}\,\text{m/s}

(b)

1.8\times10^{2}\,\text{m/s}

(c)

3.5\times10^{2}\,\text{m/s}

(d)

7.1\times10^{2}\,\text{m/s}