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shan4897
Sound waves need to travel through a medium such as a solid, liquid, or gas. The sound waves move through each of these mediums by vibrating the molecules in the matter. The molecules in solids are packed very tightly. Liquids are not packed as tightly as solids. And gases are very loosely packed. The spacing of the molecules enables sound to travel much faster through a solid than a gas. Sound travels about four times faster and farther in water than it does in air. This is why whales can communicate over huge distances in the oceans. Sound waves travel about thirteen times faster in wood than air. They also travel faster on hotter days as the molecules bump into each other more often than when it is cold.
mincedmeatman
Hey there! Hello!

Sound travels through rubber at about 60 m/s. This is due to its low elastic properties. Elastic properties of materials mainly has to do with a material's ability to maintain its shape and avoid deforming as a result of a force being applied to it.

When comparing rubber to something much more rigid, like a metal, you can see why sounds travels much faster and farther through metal than rubber: metal has a higher rigidity and higher elastic properties, meaning that it will "spring back" much faster to its original position than rubber, giving less resistance to the noise.

Hope this helps you out! Feel free to ask me any additional questions if you have any. :-)

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