Barr george (Más de 6200 resultados)

Hardcover. Condición: Fair.

Paperback. Condición: Good.

Paperback. Condición: Very Good. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

hardcover. Condición: Good. The cover may have stickers or sticker residue on it. The cover shows normal wear. Fast shipping and order satisfaction guaranteed. A portion of your purchase benefits Non-Profit Organizations, First Aid and Fire Stations.

Paperback. Condición: Very Good. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Paperback. Condición: Fair. Does a curve ball really curve? Why is a football made to spiral when it's thrown? How is the bounce of a basketball tested before a game? These and hundreds of other questions are answered in this fascinating book--an easy-to-follow examination of the scientific principles underlying baseball, football, basketball and other sports.In clear, simple language, noted science educator George Barr presents physical concepts that can help youngsters improve their athletic skillswhile making them more knowledgeable spectators of sports. Inerita vs. motion, gravity, speed, trajectory, and action vs. reaction are among the topics covered in Mr. Barr's well-illustrated presentation.Here are intriguing descriptions of what happens when baseballs are pitched and batted, and the physical processes involved in catching, fielding and running bases. You'll discover how the principles of momentum come into play in football, while a discussion of basketball provides scientific insights on the movement of the ball around the court in a high-speed game. A special chapter on the athlete's body describes how certain principles of physics can affect a player's ability to perform, and how youngsters can improve their performance by letting science work for them instead of against them.While most of the book is devoted to baseball, football and basketball, the author has also included a delightful chapter on other sports. Here are the answers to such puzzling questions as: What helps riders keep their balance on a bike? Why do golf balls have dimples? and more.Sure to appeal to any athletically minded youngster with an interest in the science behind the sports, this book is one no school library shelf whould be without (New York Herald Tribune).…

Paperback. Condición: Very Good. Does a curve ball really curve? Why is a football made to spiral when it's thrown? How is the bounce of a basketball tested before a game? These and hundreds of other questions are answered in this fascinating book--an easy-to-follow examination of the scientific principles underlying baseball, football, basketball and other sports.In clear, simple language, noted science educator George Barr presents physical concepts that can help youngsters improve their athletic skillswhile making them more knowledgeable spectators of sports. Inerita vs. motion, gravity, speed, trajectory, and action vs. reaction are among the topics covered in Mr. Barr's well-illustrated presentation.Here are intriguing descriptions of what happens when baseballs are pitched and batted, and the physical processes involved in catching, fielding and running bases. You'll discover how the principles of momentum come into play in football, while a discussion of basketball provides scientific insights on the movement of the ball around the court in a high-speed game. A special chapter on the athlete's body describes how certain principles of physics can affect a player's ability to perform, and how youngsters can improve their performance by letting science work for them instead of against them.While most of the book is devoted to baseball, football and basketball, the author has also included a delightful chapter on other sports. Here are the answers to such puzzling questions as: What helps riders keep their balance on a bike? Why do golf balls have dimples? and more.Sure to appeal to any athletically minded youngster with an interest in the science behind the sports, this book is one no school library shelf whould be without (New York Herald Tribune).…

Paperback. Condición: Good. Does a curve ball really curve? Why is a football made to spiral when it's thrown? How is the bounce of a basketball tested before a game? These and hundreds of other questions are answered in this fascinating book--an easy-to-follow examination of the scientific principles underlying baseball, football, basketball and other sports.In clear, simple language, noted science educator George Barr presents physical concepts that can help youngsters improve their athletic skillswhile making them more knowledgeable spectators of sports. Inerita vs. motion, gravity, speed, trajectory, and action vs. reaction are among the topics covered in Mr. Barr's well-illustrated presentation.Here are intriguing descriptions of what happens when baseballs are pitched and batted, and the physical processes involved in catching, fielding and running bases. You'll discover how the principles of momentum come into play in football, while a discussion of basketball provides scientific insights on the movement of the ball around the court in a high-speed game. A special chapter on the athlete's body describes how certain principles of physics can affect a player's ability to perform, and how youngsters can improve their performance by letting science work for them instead of against them.While most of the book is devoted to baseball, football and basketball, the author has also included a delightful chapter on other sports. Here are the answers to such puzzling questions as: What helps riders keep their balance on a bike? Why do golf balls have dimples? and more.Sure to appeal to any athletically minded youngster with an interest in the science behind the sports, this book is one no school library shelf whould be without (New York Herald Tribune).…

Hardcover. Condición: Fair. 2. The item might be beaten up but readable. May contain markings or highlighting, as well as stains, bent corners, or any other major defect, but the text is not obscured in any way.

Condición: very_good. Fast Free Shipping â" Very Good condition book with a firm cover and clean pages. Shows normal use and some light wear or limited notes markings. A solid, nice copy to enjoy.

paperback. Condición: Acceptable. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket.…

Mass Market Paperback. Condición: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority. George O. Barr (ilustrador).

Mass Market Paperback. Condición: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority. George O. Barr (ilustrador).

Mass Market Paperback. Condición: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority. George O. Barr (ilustrador).

mass_market. Condición: Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority. George Barr (ilustrador).

Paperback. Condición: Good.

Paperback. Condición: Fair.

Paperback. Condición: Very Good.

Paperback. Condición: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.

Paperback. Condición: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.

Paperback. Condición: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.

Paperback. Condición: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.

paperback. Condición: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority.

Hardcover. Condición: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Hardcover. Condición: Good. No Jacket. Former library book; Missing dust jacket; Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Hardcover. Condición: Very Good. No Jacket. Former library book; May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.

Hardcover. Condición: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Hardcover. Condición: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Condición: Good. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

paperback. Condición: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority. George O. Barr (ilustrador).