Physics
Physics, 21.12.2019 05:31, ykluhredd

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 339, 1480, and 5060 m/s, respectively. the sound travels a distance of 141 m in each medium.

(a) after the first sound arrives, how much later does the second sound arrive?
(b) after the first sound arrives, how much later does the third sound arrive?

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An explosion occurs at the end of a pier. the sound reaches the other end of the pier by traveling t...

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