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Music


jwdiehl88

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Music, who doesn't like music?  Music is an universal langue. Music can be heard in any mood or activity.  It's just a thing that everyone does.  Yet how can we listen to music in general? Well sound is produced when a medium is being vibrated.  A medium could be air, water, etc... Vibrations in air are called traveling longitudinal waves, which we can hear.  The reason why sounds can't be heard in space because there is no medium where sounds can vibrate in.  Since sound can't vibrate in a medium, sound can't be heard in space.  Sound waves consist of areas of high and low pressure called compression and rarefaction. Additionally the wavelength and the speed of the wave determine the pitch, or frequency of the sound. Wavelength, frequency, and speed are related by the equation speed = frequency * wavelength. Since sound travels at 343 meters per second at standard temperature and pressure (STP), speed is a constant. Thus, frequency is determined by speed / wavelength. The longer the wavelength, the lower the pitch. Lastly the height of the wave is its amplitude. The amplitude determines how loud a sound will be. Greater amplitude means the sound will be louder. 

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