Question

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

Answer 1

Explanation:

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Answer 2

Answer:

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Explanation:

What is the distance of the reflecting surface from the source, given that the speed of sound is 342 m/s? In the given interval of time, sound must travel a distance that is twice the distance of the reflecting surface and source. Therefore, the distance of the reflecting surface from the source =1026/2 = 513 m