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A girl standing 600 m away from a cliff bangs two pieces of wood together and hears an echo 3.5 seconds later

      

A girl standing 600 m away from a cliff bangs two pieces of wood together and hears an echo 3.5 seconds later. Determine the speed of sound in air at the place.

  

Answers


John
speed = $\frac{D}{T}$ = $\frac{600\times 2}{3.5}$ = 342.85 m/s
johnmulu answered the question on February 11, 2017 at 08:51


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