Speed of Sound: A Lab Calculation

Aug 25th, 2016
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Thomas Edison State College
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A lab that demonstrates how to find the speed of sound in water using sound concepts and equations in Physics 115. Also evaluating through percent error the reliability of this lab's test results. And additional concepts: words that are use to describe the various types of sounds are briefly given so the explanation of sound can be more comprehensive in that the student, learner, study group will know. Although, the focus is on the lab as it pertains to sound in water.

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PHYSICS 115Thomas Edison State UniversityDorothy JenningsLab: Determine the Speed of Sound ( in water)Introduction:Before beginning this lab to study sound lets first define what sound is to the scientificmind.Sound in the objective definition is energy, an energy of L waves also known aslongitudinal waves. During the L wave propagation there are compression andrarefactions occuring while the wave in a type of medium is moving, travel, or spreads.Also because energy is in sound scientists will teach that regardless of our yes or no tohearing sound, the results are that--- sound continues to be present without depending onour yes or no.Pressure disturbances are sound waves and these waves travel through different mediums.the mediums itself could be elastic or inertial; and besides that understanding states ofmatter will reveal through experimentation how sound waves speeds are traveling fasteror slower. The states of matter such as, gas, liquid, or solid. In this lab the objective is tostudy about a material's sounds; how sound travel ; and resonance.Procedure:The lab tools are a tunning fork, ruler, tape measure, glass of water; hollow pipe(becomes a resonance tube).This lab will use a tuning fork that produces longitudinal waves and these L waves formareas of rarefactions & compressions. What these areas suggest are the high pressure andlow pressure particles regions that come from the pushing affect of the vibrating tuningfork. Then the air is force

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