I believe Rene LeCoste invented a hand-cranked machine that propelled tennis balls, while Bob McLure reversed the motor on a vacuum cleaner to create the first commercially viable ball machine in 1970.
Is that possible?Is this a trick?Well if you had 16 tennis balls and there is 34 of the balls are yellow. But there is only 16 balls and 34 of them can not go in too 16.So I am guessing that it is not possible!Or is it?I am confused!Help anyone?Well anyway my answer is 0.47.
tennis balls usually come in the colour of bright yellow. it's basically the usual color tennis balls are seen as.
yellow or white
there are 10 red ,a blue,a black,a red,a pink,a green,a yellow and a brown.
Before television was invented, tennis balls were white. They would have remained this way if television had not been broadcast on live TV This was because people couldn't see the white tennis balls flying across the screen. So, they were changed to neon green/yellow so that viewers could see them.
Yellow tennis balls replaced white tennis balls because the Lawn Tennis Association decided that the white balls were difficult to see. You can still buy white balls nowadays at whitetennisballs.com, which is the leading modern and easiest seller for white tennis balls for sale to reach in America and internationally. According to smithsonianmag.com, the first use of yellow tennis balls was in 1986 to make easier viewing on television. Wilson has always been making the white balls for lawn tennis which can be ordered online occasionally. But before the whitetennisballs.com company started selling in 2007, the white ball market was shut down for decades for most common use and is still quite rare. The only tennis balls that can be used in professional tennis is the neon and white, so it technically hasn't been changed within the rules of tennis.
The history of the tennis ball goes back to the 15th century, and the individual who created it has been lost to time. For further information on tennis balls, visit the Wikipedia link, below.
Easier to see on television
It didn't exactly change - both white and yellow balls are approved for use by ITF. The currently used colour (fluorescent yellow) was introduced in 1972 because it was better visible on TV sets.
So that it would be easily spotted in snow or rain water.
According to Gamma Sports the very first tennis balls were pressureless tennis balls and were created in the 1860's as a result of the recent discovery of vulcanization. It wasn't until 1922 that Penn created the pressurized tennis ball that we use today.
The majority of golf balls are white, but there are some yellow balls which are for evening play and are used by seniors. Paula Creamer sometimes uses a pink ball.