the kind that works...obviouslyy:))
There is no evidence of a ball been made from polyurethane. There are polyurethane foam balls, but unfortunately no tennis balls. The process is likely to be the same as a normal tennis ball, the only difference being that the rubber in the ball is replaced by polyurethane.
I real don't want to tell it because it is an assignment but it is a tennis ball
The tennis balls nanosize butyl rubber layer slows down the escape of air so the ball doesn't lose its pressure as quickly
Putting a tennis ball in the freezer can cause the rubber to harden, which may affect its bounce and performance on the tennis court. Extreme cold temperatures can also make the ball more brittle and prone to cracking or breaking. It's best to store tennis balls at room temperature to maintain their quality.
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Professional players usually glue their own special rubbers on each side of the racket and different rubbers have different effects on the ball. Its regulation to have a black rubber on one side of the racket and red on the other side so that the opponent can tell what kind of rubber the player hit the ball with. (Players usually inspect their opponents rackets before the match begins to determine what kind of rubber is used on each side of their racket)
A wet tennis ball is a ruined tennis ball. It does not bounce as high. You can dry a tennis ball quickly by hitting it against a chain-link fence repidly for a little while. Once the ball is dry, then you can use it again.
make a foil ball and put rubber bands around it
Good quality tennis ball machines are made by several companies. Some companies that make durable tennis ball machines include Lobster Sports, Sam Coach, and Match Mate.
how to make a tennis ball face, 1. Take a razor blade and cut a line through the bottom curve seem 2. Draw a nose and eyes on the tennis ball above the cut seem 3. to make it talk pinch the side and talk to make it look like its talking 4. Then name it my is named Tennis Ball Tom Enjoy!
you one layer of rubber surrounding a hollow center.then you put a thin layer of adhesive oon the rubber and cover it with a layer of felt(usually yellow).the letters that you may see on the felt are black in black ink.
You put in on the ground on top of a hill and let go. What kind of sense does that question make?