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Sound is a form of energy that is caused by a vibrating object. This vibration’s set up the vibration's if the same frequency in the medium which is where the sound is being passed. The vibrations in the medium are detected by the ear and converted into sound. It does not matter what is vibrating any object will create a sound wave, the particles of the medium through which the sound moves in is vibrating in a rotating back and forth motion at the same frequency. The wave shows how the particles of the medium vibrate when a wave passes through the medium. The frequency of a wave is measured by the number of back and forth of vibrations per minute. There are to types of waves one being longitudinal and the other being transverse waves.

The frequency of the sound has the same frequency of the vibration because it uses two pitches of sounds being high frequency which creates a high pitch sound and a low frequency which creates a low pitch sound.

In this image below shows the period between each wave and the different periods of each wave This is usfull as it gives an i dea of different frequency:

Shown in the video below is how the longitudinal wave goes in a parallel direction and how the transverse waves moves in a up and down motion. This is usefull as it show's how both longitudnial and transvers waves move.

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