Phy 201
Your 'pendulum counts in-class' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
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Report one line per observation. Each line should consist the length of the pendulum being observed, the 1-minute count and the scale factor by which your reported length should be multiplied to get the length of the pendulum in centimeters. The three requested quantities should be separated by commas. Each line should therefore consist of three numbers, separated by commas. Don't include any words, units, or other information in any of these lines.
7,61,2.5
14,43,2.5
21,38,2.5
You may report as many lines as possible. Use the space below.
Your data report (start on the next line):
The first length was seven centimeters and for 1minute I got 61 full oscillations swings, the second length was 14 centimeters and for 1minuted I go 43 full oscillations, and for the third length I used 21 centimeters and got 38 full oscillations.
Add your description of how you made your observations. Include an explanation of how much uncertainty there was in each observation, and explain how you arrived at your uncertainty estimate.
Your explanations (start on the next line):
The first length was seven centimeters and for 1minute I got 61 full oscillations swings, the second length was 14 centimeters and for 1minuted I go 43 full oscillations, and for the third length I used 21 centimeters and got 38 full oscillations.
On the first length of seven my first data was 61 oscillations the second time I got 67 full oscillations. The uncertainty on my first length would be 61/67=.910*100=91.0% certainty so the uncertainty would be 100-91= 9% uncertainty.
On the second length of 14 centimeters my data was 43 oscillations the second time I got 45 full oscillations. The uncertainty on the second length would be 43/45=.955*100=95.5% certainty so the uncertainty would be 100-95.5=4.5% uncertainty.
On the second length of 21 centimeters my data was 38 oscillations the second time I got 39 full oscillations. The uncertainty on the third length would be 38/39=.974*100=97.4% certainty so the uncertainty would be 100-97.4=2.6% uncertainty.
So with all of my data my uncertainty ranges for 2.6%-9% uncertainty.
&#Good work. Let me know if you have questions. &#