MeasuringArea&ErrorAnalysis#1

MeasuringArea&ErrorAnalysis#1 - Gordon Chen PHY 133...

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Gordon Chen PHY 133 – L05 9/9/08 Abstract: All of the measurements conducted during this lab had some degree of error and uncertainty. It is impossible to precisely take measurements with the tools available because they can only be accurate to a certain point. The experimental error is the range that the true value is likely to fall between. In this lab, the area of an irregular shape of poster board was measured using two different methods. The difference between the 2 methods is the degree of error and uncertainty. The first method needed us to collect the area of the shape by counting squares. The second method uses math equations to solve for the area of the shape such as the density, volume, and area formulas. In the end, the second proved to give a more precise answer than the first method because there was less estimating done. Equations: Procedure: First we drew an irregular shape on a sheet of poster board. Next we initiated the first method. We had to make a squares on the poster with a size of 1” x 1”. We then
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counted up the number of boxes in the shape. As for the incomplete squares, we
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MeasuringArea&ErrorAnalysis#1 - Gordon Chen PHY 133...

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