Physics, asked by ramavarapus, 4 months ago

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

Answers

Answered by naveenjoshi01974

5

Time = Distance travelled/speed

Total distance = 55+55=110 m

because for an echo to be heard, the sound will go to the wall and then return.

t = d/s

= 110/330

= 1/3 = 0.33 secs

I hope it's help you

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