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27 Nov 2019
A group of hikers hear an echo 3.8 s after they shout. The temperature is 21 C. How far away is the mountain that reflected the sound wave? At this altitude, the speed of sound in air at 273 K is 328 m/s.
A group of hikers hear an echo 3.8 s after they shout. The temperature is 21 C. How far away is the mountain that reflected the sound wave? At this altitude, the speed of sound in air at 273 K is 328 m/s.