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ERIC Number: EJ963915
Record Type: Journal
Publication Date: 2011-Nov
Pages: 8
Abstractor: ERIC
ISBN: N/A
ISSN: ISSN-0143-0807
EISSN: N/A
Can a Road-Driven Car Outrace a Free-Falling Car?
Castano, Diego J.
European Journal of Physics, v32 n6 p1711-1718 Nov 2011
Although nowadays there are mythbusting teams ready to empirically confirm or deny advertising claims that may seem too good to be true, it is often economically prohibitive to perform the kinds of experiments that are called for. It is therefore sometimes more sensible and efficacious to perform a thought experiment instead, especially if the physics is relatively elementary. Motivated by an advertising scenario in which a luxury sports sedan races against a similar car falling under the influence of gravity, a calculation using undergraduate physics and calculus is performed to theoretically predict the outcome. The basic question this paper attempts to answer is: can a driven car, starting from rest, outrace an identical free-falling car over the same distance? (Contains 2 tables and 6 figures.)
Institute of Physics Publishing. The Public Ledger Building Suite 929, 150 South Independence Mall West, Philadelphia, PA 19106. Tel: 215-627-0880; Fax: 215-627-0879; e-mail: info@ioppubusa.com; Web site: http://www.iop.org/EJ/journal/EJP
Publication Type: Journal Articles; Reports - Descriptive
Education Level: Higher Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A