A man claps his hands near a mountain and hears an echo after 4 seconds. If the speed of sound be 330m/s; calculate the distance of the mountain from the man. Share with your friends Share 1 Vara answered this $\mathrm{Distance},\mathrm{d}=\frac{\mathrm{vt}}{2}\phantom{\rule{0ex}{0ex}}=\frac{330\times 4}{2}\phantom{\rule{0ex}{0ex}}=660\mathrm{m}$ 0 View Full Answer Pranav Ahlawat answered this 2d = vt2d = 330 x 4d= 660 mThumbs up plz.... 2