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written by Tevian Dray
published by the Paradigms in Physics Program
This small group activity is designed to help upper division undergraduate students work out the lifetime of cosmic rays taking relativistic effects into account. Students work in small groups and use hyperbolic trigonometry and spacetime diagrams to calculate the lifetime of incoming cosmic rays. The entire class wrap-up discussion summarizes group findings and difficulties, helping students gain a geometric perspective of time dilation and length contraction.

This material is part of the Paradigms in Physics project at Oregon State University. This work promotes the use of active student learning in upper division physics courses. Both learning materials and learning strategies are provided to help both students and instructors.
Subjects Levels Resource Types
Relativity
- Special Relativity
= Relativistic Kinematics
= Space Contraction
= Time Dilation
- Upper Undergraduate
- Instructional Material
= Activity
= Instructor Guide/Manual
Intended Users Formats Ratings
- Educators
- text/html
- application/pdf
- application/tex
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Access Rights:
Free access
License:
This material is released under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 license.
Rights Holder:
Paradigms in Physics Team
Merlot:
pending
NSF Numbers:
9653250
0231194
0618877
1023120
Paradigm ID:
rfcosmic
Keywords:
Small Group Activity, Space Contraction, Time Dilation, rfcosmichand.pdf
Record Creator:
Metadata instance created June 22, 2015 by Lyle Barbato
Record Updated:
June 22, 2015 by Bruce Mason
Last Update
when Cataloged:
August 23, 2013
Other Collections:

ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
T. Dray, (Paradigms in Physics Program, Corvallis, 2008), WWW Document, (http://www.physics.oregonstate.edu/portfolioswiki/acts:rfcosmic).
AJP/PRST-PER
T. Dray, Paradigms in Physics: Cosmic Rays, (Paradigms in Physics Program, Corvallis, 2008), <http://www.physics.oregonstate.edu/portfolioswiki/acts:rfcosmic>.
APA Format
Dray, T. (2013, August 23). Paradigms in Physics: Cosmic Rays. Retrieved October 22, 2017, from Paradigms in Physics Program: http://www.physics.oregonstate.edu/portfolioswiki/acts:rfcosmic
Chicago Format
Dray, Tevian. Paradigms in Physics: Cosmic Rays. Corvallis: Paradigms in Physics Program, August 23, 2013. http://www.physics.oregonstate.edu/portfolioswiki/acts:rfcosmic (accessed 22 October 2017).
MLA Format
Dray, Tevian. Paradigms in Physics: Cosmic Rays. Corvallis: Paradigms in Physics Program, 2008. 23 Aug. 2013. 22 Oct. 2017 <http://www.physics.oregonstate.edu/portfolioswiki/acts:rfcosmic>.
BibTeX Export Format
@misc{ Author = "Tevian Dray", Title = {Paradigms in Physics: Cosmic Rays}, Publisher = {Paradigms in Physics Program}, Volume = {2017}, Number = {22 October 2017}, Month = {August 23, 2013}, Year = {2008} }
Refer Export Format

%A Tevian Dray
%T Paradigms in Physics: Cosmic Rays
%D August 23, 2013
%I Paradigms in Physics Program
%C Corvallis
%U http://www.physics.oregonstate.edu/portfolioswiki/acts:rfcosmic
%O text/html

EndNote Export Format

%0 Electronic Source
%A Dray, Tevian
%D August 23, 2013
%T Paradigms in Physics: Cosmic Rays
%I Paradigms in Physics Program
%V 2017
%N 22 October 2017
%8 August 23, 2013
%9 text/html
%U http://www.physics.oregonstate.edu/portfolioswiki/acts:rfcosmic


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