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  • The solved tasks turn into coordinates
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  • Along with your schoolmates and friends, go on an adventure, searching for hideouts
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40.2. Soun

Write the correct answer!

Tom, who is located at the coast of Daugava 4 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 9 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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  2. Physics: Physics language.
  3. Chemistry: Acids, bases and salts chemical formulas and names.
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  10. Geometry: Diameter, which is perpendicular to chord, properties.