Question

A man standing 25 metres away from a wall produces sound indices erected sound calculate the time in receive the reflected sound in the speed of sound in air is 35% will the man be able to hear is explain the answer

Answer 1

Answer:

A man standing 25 m away from a wall produces a sound and receives the reflected sound. i) Calculate the time after which he receives the reflected sound if the speed of sound in air is 350 m/s. ... ii) Yes, because the least time for distinct echo to be heard is 0.1 second.

Explanation:

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