LAB REPORT_Experiment_2_Edric

# LAB REPORT_Experiment_2_Edric - SJCC Physics 2A Lab 10...

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Page 1 LAB REPORT EXPERIEMENT #2 SPECIFIC GRAVITY & ARCHIMEDES’ PRINCIPLE DATE PERFORMED: APRIL 11, 2007 DAEJIN (BRYAN) KIM LAB PARTNER: ALFONSO HERMANDEZ

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Page 2 Procedure: In today’s lab my partner and I will be determining the specific gravity of several substances by application of Archimedes’ Principle. We find out what specific gravity of a substance is by getting a ratio of its density to the density of water. We are also introduced to Archimedes’ Principle. Data:
Page 3 Calculations: 1) First we needed to calculate the conversion to SI units since it is easier to use grams and cm in our experiment. 2) We then need to calculate our Specific Gravity for each Part of our lab. First is Part A we need to use the equation: S= W/W-Wo. We use this equation for the other two Solids. 3) We then use another equation: S= W/W 1 -W 2 for part B. 4) Lastly for Part C, we use: S= W-W liq /W-W o. S= W/B= W/W-Wo S= W/B= W/W 1 -W 2 W 1 -W 2 = B= BUOYANT FORCE S= B l /B w = W-W l /W-W o Fbest=½(fmax+fmin) δf= ½(fmax-fmin) Questions: 1) 2) The weight W of the solid observed in Part A would increase if we the observation in a vacuum.

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• Spring '07
• Johnson
• Gravity, partner, KIM LAB, ALFONSO HERMANDEZ

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