Lab 3 Workbook (Measurement Uncertainty)

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1114.02

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Physics

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Apr 3, 2024

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4

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Measurements and Uncertainty EXPERIMENT 1: RULERS VS. CALIPERS Data Sheet Table 1. Ruler and Caliper Measurements Object Ruler Caliper Measurement (cm) Uncertainty (cm) Measurement (cm) Uncertainty (cm) Marble Diameter 1.0 0.05  1.20 0.0025 Washer (Outer Diameter) 1.8  0.05 1.80 0.0025 Washer (Inner Diameter) 0.8 0.05 0.80 0.0025 Washer Thickness 0.1 0.05 0.12 0.0025 String Length 5.9 0.05 5.94 0.0025 Styrofoam® Cup Height 9.1 0.05 9.02 0.0025 Post-Lab Questions 1. Compare the measurements for objects using the ruler and caliper and write a general statement on when it is more beneficial to use a ruler rather than a caliper. 2. Are there any situations where it is more beneficial to use a ruler rather than a caliper? (Continued on next page)
Measurements and Uncertainty EXPERIMENT 2: THE SPRING FORCE SCALE Data Sheet Table 2. Scale Measurements Object 10 N Spring Scale Weight (g) Uncertainty (g) Digital Scale Weight (g) Uncertainty (g)                                         Post-Lab Questions 1. What are the advantages and disadvantages of using a spring scale to measure weight? (Continued on next page)
Measurements and Uncertainty EXPERIMENT 3: THE STOPWATCH Data Sheet Table 3. Time Data for Dropped Marble Drop (Trial) Time (s) 1   2   3   4   5   Post-Lab Questions 1. What are some factors that would contribute to uncertainty when using a stopwatch? (Continued on next page)
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Measurements and Uncertainty Conclusions : Review the guidelines for writing conclusions found on Canvas, and type your conclusions here. You only need one conclusion encompassing the three experiments; incorporate results from all three experiments into a single conclusion.

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