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For an echo to be heard, the minimum distance between the obstacle and the observer must be 17m.If the minimum time for hearing an echo...

      

For an echo to be heard, the minimum distance between the obstacle and the observer must be 17m.If the minimum time for hearing an echo is 0.1 seconds. Determine the speed of sound in air.

  

Answers


sharon
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sharon kalunda answered the question on May 30, 2019 at 07:29


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