Class 3 - Uncertainties, Sig Figs and Vectors Physics 1301,...

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Uncertainties, Sig Figs and Vectors Physics 1301, Fall 2011: Class 3 Friday, September 9, 2011 1 Saturday, September 10, 11
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Objectives: Friday, September 9 Uncertainties and how to deal with them Sig Figs—yuk! More than you ever wanted to know about vectors 2 Saturday, September 10, 11
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Demonstrations Chalkboard Globe Vector Components Vector Addition and Subtraction 3 Saturday, September 10, 11
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Measurement Uncertainties Physics is the study of the Universe that actually exists Theories of physics require validation by performing experiments Experimental data can be analyzed to estimate parameters and test hypotheses The ability to do either of these analyses depends on uncertainties in the experimental data 4 Saturday, September 10, 11
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Measurement Uncertainties There are two kinds of measurement uncertainties Random uncertainties—A meter stick is only marked to mm; the last digit on a digital voltmeter jumps around Systematic uncertainties—The meter stick
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Class 3 - Uncertainties, Sig Figs and Vectors Physics 1301,...

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