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to keep the air consistancy the same inside the ball, witch is 7psi over ambiant air at 14ps1

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Q: Why are some tennis balls filled with white powdery substances?
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Are tennis balls filled with hydrogen?


What is a tennis balls?

A tennis ball is basicaly a ball filled with air through a valve. I don't kanow too much about it, I have to admit.

What was the origionasl shape os the tennis ball?

It was a sphere, same as now. However, originally, tennis balls were filled with sawdust, sand, chalk, or dirt. Then, Louis XI of France declared that all tennis balls be made of good leather and well-stuffed with wool.

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tennis balls are furry and raquet balls are not . tennis balls are also bigger.

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New tennis balls are considered fresh and not "flat". Old tennis balls exposed to play and air become flat and do not perform normally in a match.

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The Stars' Tennis Balls has 388 pages.

What sport's balls does William Shakespeare refer to in Henry V?

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Slazenger tennis balls are used at Wimbledon.

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Yes there are many tennis courts in England.

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