M4b Data Sample and Post-lab Assignment Base on the lab images posted below (FOCUS ON QUESTION 2)
1. Describe what is density and provide SI units for density.
2. Explain why the slope of the graphs you investigated in Part IV of the lab represents the average velocity of the carts.
3. Explain what is a standard deviation (conceptually).
Experiment M4b: Measurements Student Name amanda Cballs Lab Partner Name Genesis alsodoual Lab Partner Name_ Ihaven Volcy Physics Course 205 3 6 Physics Professor IRina Struganova Experiment Start Date 01 / 18 / 2023 Lab Assistant Name Date Time In Time Out Zak 1/18 / 23 2: 00 pm 3:00 pm Johnathan 1/ 18/23 2: 00 pm 3:00 pm Johathan 1/ 18/ 23 4:51 pom 5:51 pm Experiment Stamped Completed Physics Lab JAN 1 8 2023 Ek Valencia College WC Date Modified 04/07/21 5Data Sheets: M4b: Measurements NAME: Amanda Ceballor DATE: 0/ /18 /2023 PART I - MASS AND DIMENSIONS Measured Mass Dimensions Measured Mass Via Least Precise Dimensions Measured Measured with ruler Via Most Precise Balance (g) with caliper (mm) (mm) Balance (g) L: L: 25.47 yellow Cube 1 138. 68(9) 138. 499 W 26 W: 25.41 H: 26 H: 25. 40 L: 25 L: 25. 56 rust Cube 2 127 . 96 9 W: 25 127.787 W: 25. 62 H 25 H: 25.41 EX Do 3 / perfect Least Precise Least Precise Most Precise Most Precise Volume (cm') Density (g/cm]) Volume (cm) Density (g/cm) V= L. S.h 16,9 8 . 21 16.4/38 69. Cube 1 8. 4/25 15, 625 Cube 2 8. 20 16. 639. 64 7.6 80 % Diff. between Most and % Error for Most Precise Percent Difference Least Precise Densities and Accepted Density 2. 710% 0. 5310 Expi - exp2 Cube 1 X /00 Expltexpa 2 Cube 2 6.5.3 % 2 . 29% 3.2 - 8.925 x/00 - 0. 275 X100 16. 625/2 Date Modified 04/07/21 -0 : 225 x 100 4 . 3125 1 - 0.027067 / X100 2 . 70 6 7 66 6Data Sheets: M4b: Measurements NAME: amanda Ciballos DATE: 01 18/2023 PART II -- DIAMETER MEASUREMENTS Trial # Measured Diameter (mm) Trial # Measured Diameter (mm) 12 . 73 12. 72 2 12. 72 1 12.74 3 12 . 72 8 12.75 12. 73 12.74 5 12. 73 10 10.71 Mean of Diameter: 17 . 73 mm Standard Deviation of Diameter: 0 . o !1 9 7 mm % Dev/Mean: 0.0 00 94 0514 2 0.000 94 05% PART III -- LINEAR DENSITY Trial # Estimated Length Measured Length Measured Mass (cm (cm) (2) 6 3 68 0. 3051 2 100 70 .1 0 . 3 382 3 60 26 . 5 0. 4160 4 100 97.4/ 0. 46 80 0. 1883 5 87 29. 8 Slope of the Regression Line (Linear Density): 0 . 00 4979 /15 ~ 0.00198 9/am Std. Dev.: 0 . 00 0 12 59 39 1 0.000 126 9/Cm % Dev/Slope: 0. 0 25 2 93 506 2 0. 0 25 3 % Date Modified 04/07/21Data Sheets: M4b: Measurements NAME: amanda leballos DATE: 01 18 /2023 PART IV -- TIME AND VELOCITY 100em Distance: 1:000 (m) Trials Clock Stop Watch Time(s) Time (s) 3 2. 20 2 3 2. 00 3 2.34 Physics Lab 3 4 1:85 JAN 1 8 2023 5 3 1. 38 Valencia College WC Mean 3. 2 2. 054 Standard Deviation 0. 4 4 72 135 95 d / mear Velocity 0. 487 (m/s) 0 . 3 Photogate Photogate Velocity Range Finder Range Finder Trials Time (s) m/s Time (s) Velocity (m/s) 1 2. 7425 0. 3646 308 11 0.1500 0. 38 212 2 2. 2 265 0. 44. 91 35+ /14/ 2. 0500 0. 4944 4 3 2. 23 37 0. 4 476 87693 1. 800 0.56421 4 D. 2312 0 . 448/89315 1. 7500 0 . 57853 5 2 . 2177 0 . 45 0917 617 3. 0500 0. 32996
