A boy strikes a railway line (steel) with a hammer. If the speed of sound in steel is 5,200 m/s, determine the time taken for...

      

A boy strikes a railway line (steel) with a hammer. If the speed of sound in steel is 5,200 m/s, determine the time taken for the sound to reach another boy 2.3 km down the railway line with his ear on the rail.

  

Answers


Mutiso
Time taken = distance / speed
= 2300 / 5200
= 0.44 seconds.
Mutiso answered the question on October 12, 2018 at 11:45


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