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Physics teachers and the staff of CENCO Scientific rigorously bench-tested all procedures for every lab in the Laboratory Experiments booklet for ease of use, safety, and practicality.
All labs are in PDF Format. You will need Adobe Acrobat Reader to access these files. Adobe Acrobat Reader is available on the web for free at http://www.adobe.com/.
These laboratory exercises are designed to accompany and supplement the lectures in Physics 101, Concepts of Physics. The exercises are the product of much work by the physics faculty.
EXPERIMENTAL UNCERTAINTIES 1. RANDOM UNCERTAINTIES The arithmetic mean ¯x of a quantity obtained from a number (N) of readings xi is the most probable value of that quantity. If the uncertainties are entirely random and is large, then ¯x is close to the true value. x¯ = 1 N PN i=1 xi
By doing practical physics, then, you learn at first hand some of the obstacles to testing a theory, to measuring what you want to measure and not something else, and you learn how to overcome them.
The goals of the lab are twofold: (1) for you to see and experience physics at a hands-on level and (2) for you to learn how to use the experimental method to reach conclusions.
General Instructions For Physics Lab v rise and the run. This will yield the most significant figures for the value of your slope. Reporting of Experimental Quantities Use the rules for significant figures to state your results to the correct number of significant figures. Do not quote your calculated results to eight or more digits!
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