KAPEC GEOTASK?
  • The learning process is entertaining and exciting
  • The solved tasks turn into coordinates
  • The chance to follow your progress
  • Along with your schoolmates and friends, go on an adventure, searching for hideouts
Contact info
  • E-mail:

41.3. Ultrasound, Infrasound and sound usage.

Check the correct answer!

Ventilators sound frequency is 18 Hz. What types of sound it this?
Grade:
8
Subject
Physics
Theme
Sound nowadays.
Subtheme
Ultrasound, Infrasound and sound usage.

Solve tasks to find hidden Geo point coordinates

  1. Algebra: Fraction amplification and abbreviation.
  2. Geometry: Rectangular (S = ab, a, b - edges) and area of the square (S=a^2 , a - edge) formula.
  3. Algebra: Albraic fraction.
  4. Chemistry: Air composition and usage(reactions).
  5. Algebra: Median
  6. Geometry: The Pythagorean Theorem. The practical application of Pythagorean Theorem in everyday life.
  7. Physics: Spread of sound.
  8. Geometry: Area of parallelogram, rhombus, triangle, right-angled triangle, trapeze.
  9. Geometry: Rectangular (S = ab, a, b - edges) and area of the square (S=a^2 , a - edge) formula.
  10. Algebra: Fraction addition and subtraction.