At what distance from the person is the obstacle if the sound signal sent by him was received after 3 s?
| January 5, 2021 | education
At what distance from the person is the obstacle if the sound signal sent by him was received after 3 s? Sound speed in air 340 m / s
The distance from the obstacle to the person is calculated by the formula S = V * t. If the time t = 3 s, and the speed of sound is 340 m / s, then the distance will be:
340 * 3 = 1020 (m).
Answer: the obstacle is 1020 m away from the person.
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