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A group of hikers hear an echo 2.6 s after they shout. The temperature is 20 ◦C. How far away is the mountain that reflected the sound wave?
Question
A group of hikers hear an echo 2.6 s after they shout. The temperature is 20 ◦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. Answer in units of m.
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Physics
4 years
2021-08-06T16:20:57+00:00
2021-08-06T16:20:57+00:00 1 Answers
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Answer:
Explanation:
The velocity of sound in air at 20 °C is 343 meters per second. The distance of mountain can be derived by the following expression: