Which of the following effects could not be observed for sound waves in air?

Choose the correct answer:

Interference

Refraction

Polarization

Diffraction

An ant can travel approximately 30 meters per minute. how many meters could an ant move in 45 minutes

Two elevators begin descending from the same height. Elevator A has descended 4 feet after one second, 9 feet after two seconds, 14 feet after three seconds, and so on. Elevator B has descended 3.5 feet after one second, 6.

The ventilation fan of the bathroom has a volumetric flow rate of 1,640 L/s. If the air density is 1.28 kg/m3, calculate the mass flow rate of air in kg/h

Which describes elements in the first group of the periodic table? alkali metals alkaline earth metals transition metals radioactive metals

B) What characteristics of an object cause changes in its air resistance?

A person walks 7 feet east stops and walks 7 feet west

Using the drop-down menus, choose the right government service to complete each sentence. Providing a free public education for all children is an example of supporting. Fighting fires is one way in which the government ensuresfor citizens.

A galilean telescope adjusted for a relaxed eye is 36cm long. If the objective lens has a focal length of 40cm, what is the magnification?

If a car goes along a straight road heading east and speeds up from 45 ft/s to 60. ft/s in 5 sec, calculate the acceleration

To generate higher profit margins, producers must work to increase their total supply. increase their total expenses. decrease their customer base. decrease their production costs