Two girls stand 200 m from a wall. One bangs two pieces of wood together while the second starts a stop watch and stops it...

      

Two girls stand 200 m from a wall. One bangs two pieces of wood together while the second starts a stop watch and stops it when he hears the echo. If the time shown on the stop watch is 1.2 s, calculate the speed of sound.

  

Answers


Jim
Distance=2 x 200=400 m
Speed=distance/tt
=400 m /1.2 s
=333.3 m/s

jim items answered the question on September 17, 2018 at 08:59


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