Non-wood Big and Senior League bats must meet the Batted Ball Coefficient of Restitution ( BBCOR ) testing standards that are currently used in the NFHS ( high school ).
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:. . . or you need to know the coefficient of restitution, which is the ratio of the difference in velocities after collision to the difference in velocities before collision.
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The USGA set a limit of 0.83 coefficient of restitution ( how quickly the ball springs from the clubface ), while the R & A did not impose any limits.
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As promised, the PGA Tour rolled out a new device that measures the trampoline effect ( coefficient of restitution ) in drivers to make sure they don't exceed the limit.
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The R & amp; A said it had introduced a " coefficient of restitution " _ how quickly the ball springs from the clubface _ to limit the spring-like effect.
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Instead of trying to tell Tiger Woods he cannot surpass a specific " coefficient of restitution, " they're also telling Earl Woods, his dad, that he can't play a certain driver.
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Resembling a squash ball, the Superball was advertised as the ultimate rubber ball, and its bounce lived up to its billing, achieving a coefficient of restitution reaching the middle . 800s.
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:: : : : This study takes into consideration bat speed, weight and coefficient of restitution . ?needs to be running more often 03 : 17, 3 April 2010 ( UTC)
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The ball is also required to have a specific hardness, or " coefficient of restitution, " which is measured by firing it at a piece of northern white ash, 2 { inches thick.
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To obtain a more accurate answer, a measured value for the coefficient of restitution for cricket-ball-on-bat is needed, and use the equation for conservation of linear momentum simultaneously with the restitution formula .]
