The sound sensation persists in humans for about 0.10 s. At what distance should a person be from the obstacle
| December 17, 2020 | education
The sound sensation persists in humans for about 0.10 s. At what distance should a person be from the obstacle in order to hear the main and reflected sounds from the obstacle separately? Sound speed 340 m / s
We are given:
Time: 0.1 seconds
Sound speed: 340 m / s
Find: r
Decision:
r = tv / 2 = 340 (meter / sec) × 0.1 sec / 2 = 17 seconds
Answer: 17 seconds
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