Well, Damn
9 hours ago
Monday, December 21, 2009
More Tennis Trivia
According to the U.S. Lawn Tennis Association, a tennis ball is supposed to bounce between 53 and 58 inches when it is dropped on concrete from a height of 100 inches. The concrete surface should be 4 inches thick.
Subscribe to:
Post Comments (Atom)
3 comments:
I wish they would be a little more specific, he says with an well-exercised eye roll...
Wonder who does all the testing?
that's an interesting job to find that stuff out
Post a Comment