IT'S IN THE BOOK- PAGE182 NO.11 :p
yep
Yes, the plastic box filled with tennis balls will sink deeper than the empty plastic box. This is because the filled box has more mass and therefore displaces more water, which increases its overall weight and makes it sink further.
No they are made of rubber and plastic.
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.
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.
A ball pit is a play area intended for children, filled with colourful plastic balls.
tennis balls are furry and raquet balls are not . tennis balls are also bigger.
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.
Balloons, inflatable mattresses, and beach balls are all objects typically filled with air in a home.
To play tennis, basically all you need is a racket your size, tennis balls, tennis court shoes and tennis balls. Very Simple.
Slazenger tennis balls are used at Wimbledon.
Tennis Balls