Physics, asked by nathanweldegiorgis73, 4 months ago

The distance between a source of sound and a mountain is 686 meters. The echo from the mountain is heard after 4 seconds. How fast is the sound propagating in the air

Answers

Answered by meghalal982

Answer:

For hearing distinct echoes, the minimum distance of the obstacle from the source of sound must be half of this distance, that is, 17.2 m. This distance will change with the temperature of air. Echoes may be heard more than once due to successive or multiple reflections.

Explanation:

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