F9RK. Mgmt. 27, Problem 3

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Uploaded: 27.11.2016
Content: Ф9РК. Упр. 27, задача 3.rar (6,69 kB)

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3. A man standing in a narrow valley between two large rocks, makes a short sharp sound. He hears the echo sound twice: first through 1c and the next 1.5 seconds. What is the distance between the rocks? The speed of sound is 340 m / s.

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