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Velocity of Longitudinal Waves

18. Waves & Sound / Velocity of Longitudinal Waves / Problem 4

A sound wave travels through a railway track made of steel. From the table below, estimate the speed with which sound travels through the railway track.

A

4.1 × 10^-5 m/s

B

6.4 × 10^-3 m/s

C

1.6 × 10² m/s

D

2.4 × 10⁴ m/s

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