Ball
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Small Ball
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Author : Craig Martin Barnes
language : en
Publisher: Aspect Books
Release Date : 2016-04-07
Small Ball written by Craig Martin Barnes and has been published by Aspect Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-07 with Sports & Recreation categories.
Nicknamed “America’s Pastime,” baseball is a favorite sport for many people. With little leagues, school teams, community recreation clubs, farm teams, and Major League Baseball, it is no wonder the game is so popular. When Craig Barnes and his friends broke a window in their neighborhood as a result of their lively game of baseball, the group of youngsters invented miniature baseball. This breakthrough version of their favorite game could be played in a smaller space and utilized a ball that wouldn’t break any windows! Small Ball: The Blessings of Miniature Baseball introduces you to the game of miniature baseball and provides you with a complete set of rules and instructions for how to play the game. Unlike traditional baseball, the unique scoring system of miniature baseball allows you to play the game with as few as two people. And with handicaps for advanced players, both young and old rookies can enjoy playing alongside those with more experience, thus mentoring and sharing the love of baseball with all generations, including those who live with handicaps.
Ball Lightning
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Author : Mark Stenhoff
language : en
Publisher: Springer Science & Business Media
Release Date : 1999-10-31
Ball Lightning written by Mark Stenhoff and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-10-31 with Science categories.
Down comes a deluge of sonorous hail, Or prone-descending rain. Wide-rent, the clouds Pour a whole flood, and yet, its flame unquenched, Th’unconquerable lightning struggles through. Ragged and fierce, or in red whirling balls, And fires the mountains with redoubled rage. Black from the stroke, above, the smould’ring pine Stands a sad shattered trunk; and, stretched below, A lifeless group the blasted cattle lie. James Thompson, “The Seasons” (1727) have been investigating ball lightning for more than two decades. I published a ball lightning report in Nature in 1976 that received worldwide publicity and I consequently many people wrote to me with accounts of their own experiences. Within a very short time, I had accumulated about 200 firsthand accounts, and the file has continued to grow steadily since then. Several things impressed me. Few of those who wrote to me had any detailed foreknowledge of ball lightning at the time of their observation. Nonetheless, once reports of other phenomena such as St. Elmo’s fire had been eliminated, the remaining descriptions were remarkably consistent. Furthermore, nearly all who contacted me were keen to have an explanation of what they had seen and seemed entirely sincere.
Motion Analysis Of Soccer Ball
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Author : Ying Li
language : en
Publisher: Springer Nature
Release Date : 2022-01-20
Motion Analysis Of Soccer Ball written by Ying Li and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-01-20 with Technology & Engineering categories.
The intelligent sports analysis of a soccer ball (also known as football, football ball, or association football ball) requires accurately simulating its motion and finding the best design parameters. Employing classic mechanics, this book establishes a fundamental framework for the soccer ball multi-body dynamics modeling, virtual prototype simulation and optimization design. It presents 3D virtual prototypes to predict the soccer ball trajectory for soccer players and trainers. Five typical case studies have addressed in the kinematics and dynamics simulations of soccer ball projectile motion, free kick, and corner kick in the virtual environment. The research on multi-body dynamics models provides a useful method for engineers and scientists to investigate the spatial kinematics and dynamics performances of various balls, such as soccer ball, gulf ball, American football, etc. The book is significant to guide undergraduate and graduate students from multi-disciplines to study system dynamics and optimization design.
Apparatus For Studying Ball Spinning Friction
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Author : Steven T. Miller
language : en
Publisher:
Release Date : 1965
Apparatus For Studying Ball Spinning Friction written by Steven T. Miller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Ball-bearings categories.
An experimental apparatus was designed and constructed at the NASA Lewis Research Center to study one aspect of spinning friction based on interfacial slip over the entire ball-race contact area. The apparatus is capable of measuring spinning moments of less than 0. Ol inch-pound at maximum Hertz contact stresses to over 400 000 psi, speeds to 3500 rpm, and under varying contact configurations and conditions. From the torque measurement, a coefficient of spinning friction can be calculated. The apparatus comprises a drive assembly, a dead-weight load assembly, a spherical upper test specimen, a cylindrically grooved lower test specimen of varying conformity, a lower test specimen housing assembly incorporating a hydrostatic air-bearing assembly, and a torque-measuring system. In operation, the upper test specimen is loaded against the lower test specimen through the drive shaft assembly by the dead- weight load assembly. As the drive assembly is rotated, the upper test specimen rotates against the stationary lower test specimen actuating the torque-measuring system. Preliminary tests were conducted under varying Hertz stress to 136 000-psi maximum Hertz stress at a spinning speed of 950 rpm, with a 51 percent ball-groove conformity using a polyphenyl ether (5P4E), a highly purified naphthenic mineral oil, and a di-2-ethylhexyl sebacate (MIL-7808). It was found that the coefficient of spinning friction decreased with increasing maximum Hertz stress to an intermediate stress level and had a minimum value of 0. 122, 0. 089, and 0. 050, respectively, for the lubricants listed previously.
Friction And Carrying Capacity Of Ball And Roller Bearings
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Author : Herbert Lucius Whittemore
language : en
Publisher:
Release Date : 1921
Friction And Carrying Capacity Of Ball And Roller Bearings written by Herbert Lucius Whittemore and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1921 with Ball-bearings categories.
Report Bull Run Ball S Bluff
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Author : United States. Congress. Joint Committee on the Conduct of the War
language : en
Publisher:
Release Date : 1863
Report Bull Run Ball S Bluff written by United States. Congress. Joint Committee on the Conduct of the War and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1863 with Ball's Bluff, Battle of, Va., 1861 categories.
Extracts Relative To Ball S Patent Indestructible Water Pipe As A Substitute For Cast Iron Distribution Pipe
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Author : Charles Beebe Stuart
language : en
Publisher:
Release Date : 1853
Extracts Relative To Ball S Patent Indestructible Water Pipe As A Substitute For Cast Iron Distribution Pipe written by Charles Beebe Stuart and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1853 with Plumbing fixtures categories.
Bats Balls Bails
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Author : Les Scott
language : en
Publisher: Random House
Release Date : 2011-08-31
Bats Balls Bails written by Les Scott and has been published by Random House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-31 with Sports & Recreation categories.
Never before has the whole world of cricket been collected in one, really quite large volume. Les Scott has collected a lifetime of anecdotes, records, quotes and cuttings to make The Essential Cricket Book. With a century of sections detailing everything from balls and slips to pavilions, umpires and teas; all the Test-playing nations, first-class counties as well as minor counties and clubs, plus universities; tournaments from the Ashes through the old John Player League to the Sheffield Shield (not to mention the KFC Twenty20 Big Bash); bizarre dismissals and of course LBWs, all the great games and characters of cricket are brought to life. It's all here: the first player to wear a helmet, the first man to attempt a reverse sweep, the games when camels (or mackerels) stopped play, the batsmen given out 'absent, thought lost on the Tube' and 'retired, suffering from measles', or simply the last England bowler to take a wicket with the first ball of a Test Match.
Physical Applications Of Homogeneous Balls
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Author : Yaakov Friedman
language : en
Publisher: Springer Science & Business Media
Release Date : 2005
Physical Applications Of Homogeneous Balls written by Yaakov Friedman and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Mathematics categories.
One of the mathematical challenges of modern physics lies in the development of new tools to efficiently describe different branches of physics within one mathematical framework. This text introduces precisely such a broad mathematical model, one that gives a clear geometric expression of the symmetry of physical laws and is entirely determined by that symmetry.The first three chapters discuss the occurrence of bounded symmetric domains (BSDs) or homogeneous balls and their algebraic structure in physics. The book further provides a discussion of how to obtain a triple algebraic structure associated to an arbitrary BSD; the relation between the geometry of the domain and the algebraic structure is explored as well. The last chapter contains a classification of BSDs revealing the connection between the classical and the exceptional domains.With its unifying approach to mathematics and physics, this work will be useful for researchers and graduate students interested in the many physical applications of bounded symmetric domains. It will also benefit a wider audience of mathematicians, physicists, and graduate students working in relativity, geometry, and Lie theory.
The Electrician
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Author :
language : en
Publisher:
Release Date : 1898
The Electrician written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1898 with Electrical engineering categories.