Density - VALUE ft 3 lb/ft 3 lb/ft 2 lb/ft 3 or lb/ft 2 8 %...

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First Lab Report Sketch objects by hand after you print tables Answer questions below: 1. What are possible errors in this experiment? Please explain. 2. Why was it useful to measure all materials in both English and Metric units? 3. Do you have confidence in the reference values cited? Please explain. 4. Why was this lab important? Hand-in title sheet (refer to page xiv in lab manual) tables questions/answers appendix original data sheets bibliography of cited material for accepted values page of sample calculations
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TABLE 1a - INDIVIDUAL DATA IN METRIC UNITS 1 2 3 4 5 6 7 MATERIAL SKETCH MASS VOLUME DENSITY MASS/AREA cm kg STEEL 2.19 0 7693.66 n/a 7850 WOOD 1.79 0 482.43 n/a 350 - 500 DRYWALL 1.03 0 n/a 7.69 10.2 PLYWOOD 1.19 0 n/a 9.89 6.93 ACCEPTED VALUE m 3 kg/m 3 kg/m 2 kg/m 3 or kg/m 2
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8 % ERROR 2% 11.80% 29.80% 29.90%
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TABLE 1b - INDIVIDUAL DATA IN ENGLISH UNITS 1 2 3 4 5 6 7 MATERIAL SKETCH MASS VOLUME DENSITY MASS/AREA in lb STEEL 4.82 0.01 462.4 n/a 450 WOOD 3.94 0.15 25.5 n/a 22 - 31 DRYWALL 2.26 0.06 n/a 1.46 2.08 PLYWOOD 2.62 0.08 n/a 1.31 1.42 ACCEPTED
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Unformatted text preview: VALUE ft 3 lb/ft 3 lb/ft 2 lb/ft 3 or lb/ft 2 8 % ERROR 2.60% 3.80% 24.70% 7.60% TABLE 2 - TEAM DATA STUDENT STEEL WOOD DRYWALL 1 Todd Gable 462.40 25.50 1.460 2 Jacob Bagal 481.18 30.45 1.549 3 Elliot LaFleur n/a n/a n/a AVERAGE 471.79 27.98 1.505 STANDARD DEVIATION 13.28 3.50 0.063 ACCEPTED VALUE 450.00 26.50 2.080 % ERROR 0.05 0.06-0.277 lb/ft 3 lb/ft 3 lb/ft 2 PLYWOOD 1.310 1.935 n/a 1.623 0.442 1.420 0.143 lb/ft 2 TABLE 3 - CLASS DATA TEAM STEEL WOOD DRYWALL Elliot, Todd & Jake 471.79 27.98 1.505 Tyrone, Chris & Jeremy 441.37 31.93 2.070 Kristin, Devin & Brendan 565.26 29.55 1.543 Matt, Ryan & Jason 511.35 29.98 1.453 Virgil, Ben & Mohammad 481.17 27.57 1.373 AVERAGE 494.19 29.40 1.589 STANDARD DEVIATION 46.92 1.74 0.276 ACCEPTED VALUE 490.00 26.00 2.080 % ERROR 0.01 0.13-0.236 lb/ft 3 lb/ft 3 lb/ft 2 PLYWOOD 1.623 2.630 2.090 2.068 1.980 2.078 0.361 1.420 0.464 lb/ft 2...
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Density - VALUE ft 3 lb/ft 3 lb/ft 2 lb/ft 3 or lb/ft 2 8 %...

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