The speed of sound varies depending on the medium it is traveling through. In general, sound travels at a speed of approximately 343 meters per second (1235 kilometers per hour) in air at room temperature and pressure.
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No, the speed of sound in a medium is constant regardless of the volume of the sound. However, loud sounds may appear to travel faster because they can be heard from a greater distance due to their higher intensity.
Hitting two cymbals together creates a loud sound due to the collision of the metal surfaces, which causes vibrations that travel through the air as sound waves. The large surface area of the cymbals also helps in generating a loud and sustained sound.
120 decibels is extremely loud, equivalent to a rock concert or a chainsaw. Sound waves at this level can travel a fair distance, potentially up to a few miles depending on the surrounding environment and obstacles.
Sound cannot travel through a vacuum as it needs a medium, such as air, water, or solid material, to propagate. In a vacuum, there are no particles for sound waves to travel through, so the speed of sound is essentially zero.
A horn or a siren can produce a loud sound.