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Physics: Principles with Applications

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Colt Swayze Physics Lab August 31, 2009 Measurements, Verniers, and Density Data : Density=Mass/Volume Element Densities Aluminu m 2.7 g/cm 3 Brass 8.2-8.7 g/cm 3 Steel 7.2-7.8 g/cm 3 Ebonite 1.11-1.33 g/cm 3 Rock 2.4-2.8 g/cm 3 Cylinder: V=πr 2 h Sphere: (4/3)πr 3 Rectangle: V=l(w)(h) % error=(correct-experimental)/(correct) X 100 % difference=(difference in 2 experimental values)/(average of experimental values) X 100 *(L; W; H; R MEASURED IN mm) (V MEASURED IN mm 3 ) (M MEASURED IN grams) (D MEASURED IN grams/cm 3 ) Metal Block : Aluminu m L W H V M D % Of error Meter Stick 50.5mm 25.0mm 12.8mm 16160mm 3 44.32 2.743 1.59% Vernier 50.84mm 25.44mm 12.76mm 16503.4mm 3 44.32 2.6855 0.537% Tall Cylinder : Aluminum R H V M D % Of error Meter Stick 12.75mm 75.9mm 38762.5 105.94 2.733 1.22% Vernier 12.74 76.18 38844.51 105.94 2.7273 1.01% Short Cylinder : Ebonite R H V M D % Of error Meter Stick 9.3 18.8 5108.3 6.49 1.2705 4.14% Vernier 9.53 18.88 5386.88 6.49 1.20478 1.25% Micro-meter 9.53 18.83 5372.62 6.49 1.20798 0.985%
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Short Cylinder : Brass R H V M D % Of error Meter Stick 9.5 19 5387.0 46.15 8.567 1.38% Vernier 9.51 19.13 5435.33 46.15 8.490745 0.4822% Micro- Meter 9.675 19.11 5619.69 46.15 8.212197 2.814% Ring : Aluminum R in R out H V in V out V f M D % Of error Meter Stick 6.25 8 50.6 6209.55 10173.73 3964.2 10.18 2.568 4.89% Vernier 6.28 7.97 50.88 6266.83 10093.58 38267.75 10.18 2.66022 1.4733% Sphere :
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