Assessing uncertainties in a simple and cheap experiment

This paper describes how to calculate measurement uncertainties using as a practical example the assessment of the thickness of ping-pong balls and their material density. The advantages of a randomized experiment are also discussed. This experiment can be reproduced in the physics laboratory for un...

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Veröffentlicht in:	European journal of physics 2009-05, Vol.30 (3), p.615-622
Hauptverfasser:	A de Souza, Paulo, Brasil, Gutemberg Hespanha
Format:	Artikel
Sprache:	eng
Schlagworte:	College Science Communication, education, history, and philosophy Computation Exact sciences and technology General physics Measurement Techniques Physics Physics literature and publications Science Experiments Science Instruction Science Laboratories Scientific Principles Surveys and tutorial papers, resource letters Undergraduate Study
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Beschreibung
Zusammenfassung:	This paper describes how to calculate measurement uncertainties using as a practical example the assessment of the thickness of ping-pong balls and their material density. The advantages of a randomized experiment are also discussed. This experiment can be reproduced in the physics laboratory for undergraduate students. (Contains 7 tables, 1 figure and 4 footnotes.)
ISSN:	0143-0807 1361-6404
DOI:	10.1088/0143-0807/30/3/018