pacing lab (1)

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Houston Community College *

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200

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Mechanical Engineering

Date

Oct 30, 2023

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docx

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5

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Name:Mina Abdelnour Course: CE200A103-Surveying Lab Instructor: Prof. William Zimmermann Date: 9/20/2023 Pacing lab Introduction: Although there are numerous tools and techniques for measuring vast plots of land, it is not always assured that you will have access to them or that the tools you have will be useful or capable of measuring at big sizes. A person can determine huge dimensions reasonably quickly and precisely by only counting their steps after being familiar with the duration of their natural pace. Procedure: Part 1: Calculating the duration of the natural pace 1. A 100-foot distance is measured and marked. 2. While keeping track of your steps, walk the distance in a straight line at a steady pace.
3. Do this four more times, counting how many steps are required to cover the 100 feet each time. 4. Calculate the length of a natural pace by dividing the average number of steps needed to cover 100 feet by the distance. Part 2: Evaluating the pacing method's accuracy 1. The ground is demarcated with a sizable rectangle. 2. Walk the rectangle's four sides twice, noting how many steps it took to complete each side's distance. 3. Determine the length of the rectangle's sides and its area using the length of the natural pace from Part 1. Calculations: Natural pace: (100+100+100+100) ft / (38+41+38+39) steps = 400ft / 156 steps = 2.56 ft/step Side a: (12+12) steps / 2 = 12 steps × 2.56 ft/step = 30.72 ft Side b: (25+25) steps / 2 = 25 steps × 2.56 ft/step = 62 ft Side c: (12+13) steps / 2 = 12.5 steps × 2.56 ft/step = 32 ft Side d: (24+25) steps / 2 = 24.5 × 2.56 ft/step = 62.72 ft Area: (63.36 ft × 31.36 ft) = 1,986.97 sq ft
Actual area = 63 ft × 29.5 ft = 1,858.5 sq ft % Eirors included in field notes Summary/Conclusion: *Compared to using actual equipment, the pacing method is not the most accurate way to take measurements at big sizes, but it is practical. Knowing your natural pace length allows you to rapidly calculate any distance by counting the steps required to cover it. Although this method might not be appropriate for precise readings and more involved engineering tasks, it is nonetheless useful to be aware of and possess a method for discovering measures without any measuring gear. My measurements of the rectangle were pretty close to being accurate, and computing them took far less time than stretching measuring tape across the four sides did.
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