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physics lab 1

physics lab 1 - 10.17 ±.003 313.05 ±.05 5 2.65 ±.003...

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Maria Tsiolkas Physics Lab 211L 218 Measurement of Mass, Length, and Time Bill Zinicola Carly and Heather January 15, 2008 January 24, 2008
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Introduction - The purpose of the lab is to familiarize students with scientific methods to measuring and analyzing data based off of uncertainties. Uncertainty is half the smallest measure. Propagation of Uncertainty is the effect of variables uncertainties on the uncertainties of a function based off them. , where p and q=1). V= пr²H D(ρ)= M/V Results and Data - Part 1 Pendulum Data: Pendulum # Length (m) Period (s) 1 .36 ± .0005 1.2 2 .675 ± .0005 1.7 3 .715 ± .0005 1.57 4 .369 ± .0005 .996 5 .58 ± .0005 1.53 6 .58 ± .0005 1.56 7 .594 ± .0005 1.54 8 .54 ± .0005 1.34 Part 2 Summary of Measurements: Cylinder Diameter (cm) Length (cm) Mass (g) 1 3.84 ± .003 7.80 ± .003 235.35 ± .05 2 2.97 ± .003 7.65 ± .003 162.5 ± .05 3 3.85 ± .003 6.46 ± .003 195.8 ± .05 4 3.81 ± .003
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Unformatted text preview: 10.17 ± .003 313.05 ± .05 5 2.65 ± .003 10.22 ± .003 140.8 ± .05 6 2.56 ± .003 6.41 ± .003 88.6 ± .05 7 3.20 ± .003 9.90 ± .003 216.75 ± .05 8 3.8 ± .003 8.99 ± .003 273.6 ± .05 Summary of Calculated Quantities: Cylinder Volume (cm³) ρ (g/cm³) Δρ (g/cm³) 1 90.33 2.62 .055 2 53.36 3.04 .0094 3 75.60 2.59 .0066 4 116.56 2.67 .0043 5 56.79 2.48 .0088 6 32.99 2.68 .015 7 79.62 2.72 .0063 8 101.95 2.68 .0049 Analysis-Part 1 Calculations: Time for 1 oscillation- 42.218/30= 1.57 seconds Part 2 Calculations: Volume- п(1.92²)(7.80)= 90.33 cm³ Density- (235.35)/(90.33)= 2.61 g/cm³ Δρ- √ (.05/235.35)² + (-.5/90.33) ²= .055 g/cm³ Average ρ- (2.62+3.04+2.59+2.67+2.48+2.68+2.72+2.68)/ 8 = 2.995 g/cm³ Average Δρ- (.055+.0094+.0066+.0043+.0088+.015+.0063+.0049)/ 8 = .013 g/cm³...
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physics lab 1 - 10.17 ±.003 313.05 ±.05 5 2.65 ±.003...

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