Question

A person fires a gun standing at a distance of 55 m from a wall. If the speed of sound is 330 ms-1 ,find the time for an echo to be heard.

Answer 1

Answer:

the time taken is approximately 0.3333333

Explanation:

as the person is standing 55 metres away from the wall,

therefore, total distance covered by the sound is (55+55)metres

now, time taken=distance/speed