Physics, asked by aahir0645, 10 months ago

An echo is heard in 3s. what is the distance of the reflecting surface from the source, given that the speed of sound is 342 m/s​

Answers

Answered by nsahrimvia
4

Answer:

Given:

v=342m/s(speed of the sound)

echo returns in time(t)=3seconds

To find:

Distance of reflecting surface from the source

Solution:

Distance travelled=v×t

=342×3

=1026m

In the given interval of time the sound must travel a distance which is twice the distance of reflecting surface and source

Therefore, Distance of reflecting surface from source=1026/2

=513m

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