It is quite a complicated system, where 12 cameras around the ground measure the distance that each player travels during the game. These cameras use lasers which helps them measure accurately.
Today things are very technical, the players wear vests which have a meter to tell how much he runs, and the possession is calculated.
They use tiny pixies under the turf
Keane Unfortunately not - Nicolas Anelka thus far.
the quarter back is often the highest paid player by far
65 yards
The player has run 40 yards.
micheal jackson is proven to be the best player in the nfl because of how far he ran
40 yards
40 yards
It is much harder for you to be able to calculate your due date when you have continued to have periods during pregnancy. However, a doctor or doula or midwife can tell very accurately how far along you are.
As far as I know Cal Hubbard is the only person in both the baseball and football Halls of Fame but he made it as an umpire for the baseball Hall of Fame. I would say there is no person who made it to both Halls as a player
Calculus will work, if you have an equation describing the precise shape of the object. If you don't (and probably even if you do), it's far easier to actually measure it (by submerging it in water and measuring the amount of water displaced) than it is to calculate it.
40 yards...
50 yards