Distance

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Posted by Randy on November 06, 2002 at 12:26:18:

A worker is at one end of an iron pipeline. An accidental blast has occured at the other end. Sound travels in the air at 273.1 m/s and in the iron at 5200 m/s. The sounds are heard 4.33 seconds apart. How long is the pipeline?

Please show step by step. Thank you for your help.

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