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30.2: Introduction

Last updated

Sep 24, 2020
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- 30.1: Materials
- 30.3: Pre-Lab

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All waves begin as a vibration. For the vibration to produce sound, there must be a material through which the vibration may travel. The vibrations of atoms and molecules in air create compressions and rarefactions in the air.

Figure $\PageIndex{1}$ : Copy and Paste Caption here. (Copyright; author via source)

Sound travels at an average speed of 343 m/s in air; this speed varies because it depends on the atmospheric pressure and temperature of the air. It takes time for the sound wave to travel. Light travels at a speed of 299,702,547 m/s in air. Light waves also take time to travel.

$\text {speed} = \dfrac {\text{distance}}{\text{time}} \nonumber$

Contributors and Attributions

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Contributors and Attributions

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