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ERIC Number: EJ859363
Record Type: Journal
Publication Date: 2009-Oct
Pages: 5
Abstractor: As Provided
Reference Count: 22
ISSN: ISSN-0031-921X
The Anatomy of a Pitch: Doing Physics with PITCHf/x Data
Kagan, David
Physics Teacher, v47 n7 p412-416 Oct 2009
On Aug. 7, 2007, Barry Bonds of the San Francisco Giants was at bat waiting for a 3-2 pitch from Mike Bacsik of the Washington Nationals. The ball left the pitcher's hand at 84.7 mph and arrived at home plate traveling 77.2 mph. It was within 0.2 in of the center of home plate and 3.213 ft above the ground when Bonds swung and hit his 756th home run, making him the all-time leader for homers in a career. Thanks to a company called Sportvision and Major League Baseball, you can get kinematic data on any pitch thrown. Just think of the interesting and realistic physics problems you can generate from such a rich data set!
American Association of Physics Teachers. One Physics Ellipse, College Park, MD 20740. Tel: 301-209-3300; Fax: 301-209-0845; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: Teachers
Language: English
Sponsor: N/A
Authoring Institution: N/A