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Unformatted text preview: Observations on Labs Cant choose when to put units and when not. (On essays, do you choose which sentences to use punctuation?) Uncertainties, both for statistics AND graphs, are critical Put results in your conclusion. Dont say The ruler mass from the statistics and graphical analysis matched pretty well. Do say Our average density was 1 . 34 . 02 g/cm, predicting an average ruler mass of 134 2 grams. This compares favorably with our prediction from the graph, where the average slope (density) was 1 . 3 . 2 g/cm, predicting an average mass of 130 20 g. Derivatives and Information Recall that when we found average velocities and accelerations we lost information, that is, we needed 2 positions to find one average velocity and 2 average velocities (4 positions) to find one average acceleration. This means that if we only know the velocity (or acceleration), we only know some information about the position (or acceleration). For example, Given a function f ( t ) , if df dt > , is f ( t ) : (a) greater than 0 (b) less than 0 (c) equal to zero Acceleration...
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This note was uploaded on 04/20/2008 for the course 1017 311 taught by Professor Franklin during the Winter '08 term at RIT.
- Winter '08