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40.1. Soun

Write the answer!

Tom, who is located at the coast of Daugava 7 km from the source of the sound - music festival, sounds can be heard in two types - in air or in water. Sound which comes through air is delayed by 15 seconds compared to sound in water. Calculate the speed of the sound in water if you know the speed of the sound which is 340 m/s! Decrease the results to hundredth.
Sound nowadays.
Sounds reception.

Solve tasks to find hidden Geo point coordinates

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