error_analysis_report - Yin Xin Cory Johnson Data Static...

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Yin Xin Cory Johnson Data Static method mass(m) unstretched length of string (Li) 0.762kg+ 0.00005kg 0.047m+ 0.0005m stretched length of string(Lf) K 0.137m+ 0.0005m 83.0N/m+ 1%
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Dynamic method time trial 1 time trial 2 average of both trials 6.21s+ 0.15s 6.21s+ 0.16s 6.21s+ 0.155s 6.97s+ 0.15s 6.68s+ 0.16s 6.83s+ 0.155s 6.46s+ 0.15s 6.92s+ 0.16s 6.69s+ 0.155s The time for trial 1 was way different then that of the other two trials. The error bar does not over lap the result of the other two trials. This suggested that maybe it is off so much because we counted an extra revolution. Removing one revolution on the data made the result of trial one fit in to the same range as the other two trials. number of revolutions Distance R K mass(M) 9 rev 0.196m+ 0.0005m 80.7/m+ 3.76% 0.447kg+ 0.00005kg 10 rev 0.196m+ 0.0005m 82.4N/m+ 3.60% 0.447kg+ 0.00005kg 10 rev 0.196m+ 0.0005m 85.9N/m+ 3.65% 0.447kg+ 0.00005kg
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Error Analysis 1. The uncertainty of the mass is negligible since 0.00005kg / 0.447kg = 0.0112%. 2. The uncertainty of the distance x is 0.05cm + 0.05cm = 0.1cm and 0.1cm / 9cm = 1% This amount of uncertainty is too large to be negligible.
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