The echo of a gunshot is heard 5 s after it is fired. Calculate the distance of the surface which reflects…
The echo of a gunshot is heard 5 s after it is fired. Calculate the distance of the surface which reflects the sound. (Take, velocity of sound is 332 ms -1)
Solution
Sol. Distance of the surface which reflects the sound,
$d=\dfrac{v\times t}{2}=\dfrac{332\times 5}{2}=166\times 5=830\ \mathrm{m}$
Answer: $830$ m