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Researchers shatter baseball myths

india Updated: Jul 11, 2011 17:57 IST
ANI
baseball

Researchers have debunked some of Major League Baseball's myths with the help of physics.

When a baseball player approaches the plate, he needs physics on his side to score a spot on base. But a rewarding collision between baseball and bat depends on many complicated factors.

One group of researchers from the Sports Science Laboratory at Washington State University explores this complicated relationship between ball and bat, reports the Discovery News.

Balls and bats generally have an inelastic physical relationship, meaning the kinetic energy each has while in motion is not maintained after colliding.

But that certainly doesn't keep people from tinkering with balls and bats to make their partnership more elastic. The key is doing so within the confines of the rulebook, of course.

For instance, when MLB star Sammy Sosa was caught using a corked-filled wooden bat in 2003, it was assumed substituting the core of the bat with a lighter material such as cork allowed players to hit baseballs farther than with typical wooden bats.

But during testing, scientists didn't find this to be true. Instead, they noticed that the balls and bats' coefficient of restitution (COR), or a comparison of the objects' speeds before and after collision, remained similar throughout tests, leaving the energy exchange between the two materials almost the same. There's still, however, another reason players may have a soft spot for corked bats. Because they're lighter, the bats allow players to swing more quickly, which can result in making better contact with the ball and more hits or homeruns in the game. In this case, distance isn''t the advantage - swing speed is.

The study has been published in the American Journal of Physics.