F9RK. Mgmt. 27, task 2

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Uploaded: 27.11.2016
Content: Ф9РК. Упр. 27, задача 2.rar 5,54 kB

Product description


2. Echo caused by gun shot, the hunter heard in 4.5 seconds. How far away is the obstacle? The speed of sound is 340 m / s.

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