Physics, 01.11.2019 21:31 versaceblooper

What causes sounds? a. electromagnectic energy b. the release of sensory neurons c. movement that causes changes in air placement d. vibrations that cause changes in air pressure

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Answer from: queenbroookk

D.vibrations that cause changes in air pressure

Explanation:

Sound is a type of wave.

A wave is a periodic disturbance/oscillation that trasmits energy without transmitting matter. There are two different types of waves:

- Transverse waves: in a transverse wave, the direction of the oscillation is perpendicular to the direction of motion of the wave. These waves are characterized by the presence of crests (points of maximum positive displacement) and troughs (points of maximum negative displacement). Examples of transverse wave are electromagnetic waves.

- Longitudinal waves: in a longitudinal wave, the direction of the oscillation is parallel to the direction of motion of the wave. These waves are characterized by the presence of compressions (regions where the density of particle is higher) and rarefactions (regions where the density of particle is lower). Examples of longitudinal waves are sound waves.

Sound waves, in particular, consist of vibrations of the particles in a medium - most commonly, air - that occur back and forth along the direction of motion of the wave. Because of these motion, the air will have areas of higher pressure (which correspond to the compressions), where the density of particles is higher, and areas of lower pressure (which correspond to the rarefactions), where density of particles is lower.

Answer from: yurimontoya759

Option D

Vibrations that cause changes in air pressure

Explanation:

Sound is the disturbance or vibration of longitudinal mechanical waves which cause change in air pressure through a medium such as gas, liquid or solid. Therefore, what causes sound are these vibrations which subsequently cause changes in air pressure. When sound is transmitted and reflected, we call it pitch.

Answer from: Quest

the answer is a 3.8cm

explanation:

An object is located 5.0 cm from a concave mirror. the focal length is 15.0 cm. what is the image di

Answer from: Quest

Ais the answer hope this

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What causes sounds? a. electromagnectic energy b. the release of sensory neurons c. movement that c...

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