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The polymeric materials in new tennis balls have a higher coefficient of restoration, so they tend to spring back into shape easier. With time and exposure to atmosphere, the compounds that keep the ball soft volatilize and leave into the atmosphere.

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New tennis balls bounce higher than old tennis balls because they have more elasticity and air pressure which allows them to compress and decompress more easily upon impact with the ground. As tennis balls are used, the felt covering wears out and the air inside the ball escapes, leading to less bounce.

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Q: Why do new tennis balls bounce higher than old tennis balls?
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Why do some tennis balls bounce higher than others?

Tennis balls bounce higher depending on factors like their internal pressure, felt quality, and core material. New balls with higher pressure and less wear will bounce higher compared to older balls with lower pressure and more wear. The type of surface and conditions where the ball is being used can also affect its bounce height.


Why do glass balls bounce higher than rubber balls?

Glass balls tend to bounce higher than rubber balls due to their density and hardness. Glass balls have less energy loss upon impact because they are rigid and less deformable compared to rubber balls. This allows glass balls to retain more of their original kinetic energy during the bounce, resulting in a higher bounce height.


Why do smaller bouncy balls bounce higher than larger bouncy balls?

Smaller bouncy balls bounce higher than larger ones because they have less mass and experience less air resistance when they bounce. This allows them to conserve more of their initial energy and bounce higher with each rebound.


Why do small rubber bouncy balls bounce higher than other balls?

Small rubber bouncy balls bounce higher than other balls because they are made from materials with higher elasticity, allowing them to store and release more energy during impact. Their size and lightweight also contribute to their increased bounce height as they experience less air resistance.


What makes a tennis ball bounce higher than a basketball?

A tennis ball is made of materials that are more elastic than a basketball, allowing it to deform and rebound quicker upon impact, resulting in a higher bounce. Additionally, the size and weight difference between a tennis ball and a basketball also contribute to the tennis ball bouncing higher.