Physics, asked by sriram4569, 8 months ago

A boy stands 85 m in front of a high wall and then blows a whistle. Calculate the time interval when he hears an echo. (speed of sound = 340 m/s)

Answers

Answered by marbaz1519

0

Answer:

Explanation:

5 seconds. Alright, so this is the answer to the question. After . 5 2nd time interval, he will hear the echo.

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