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Sound travelling time through multiple mediums

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An explosion occurs at the end of a pier. The sound reaches the other end of the pier by traveling through three media: air, fresh water and a slender metal handrail. The speeds of sound in air, water, and the handrail are 343, 1482, and 5040 m/s. The sound travels a distance of 125 m in each medium.

a.) Which medium does the sound arrive first, second and third?
b.) After the first sound arrives, how much later do the second and third sounds arrive?

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Solution Summary

The solution calculates the time it takes sound to travel through different mediums.

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a.) Which medium does the sound arrive first, second and third?
Time = distance/speed. Since time is inversely proportional to speed, the shortest time will be for ...

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