Essay
The speed of sound in air is approximately .The speed of sound in steel is approximately
.If your friend strikes one end of a steel pipe with a hammer while you listen at the other end, you will hear two distinct sounds: one traveling through the air and the other traveling through the steel pipe.If the pipe is 200 meters long, how much time elapses between the two sounds?
Correct Answer:

Verified
Correct Answer:
Verified
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