How many times faster does sound travel in tracks thanin air

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Reference no: EM13556474

In western movies, the hero sometimes detects an approaching trainby "listening" to the railroad tracks. If the tracks are made ofsteel, how many times faster does sound travel in the tracks thanin air? (Use 5790 m/s as the speed of sound in steel, and 343 m/sas the speed of sound in air.)

Reference no: EM13556474

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