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Lab One Linear Motion
Lab Assignment 1: Linear MotionInstructor’s OverviewThis lab experiment focuses on freely falling objects. We develope ...
Lab One Linear Motion
Lab Assignment 1: Linear MotionInstructor’s OverviewThis lab experiment focuses on freely falling objects. We developed the kinematic equations for freely falling objects in Module 2. Now we will have an opportunity to directly experiment with free fall and apply our quantitative knowledge of kinematics.This activity is based on Lab 6 of the eScience Lab kit. Although you should read all of the content in Lab 6, we will be performing a targeted subset of the eScience experiments.Our lab consists of two components. These components are described in detail in the eScience manual (pages 71-73). This document serves as your lab report. Please include detailed descriptions of your experimental methods and observations.EXPERIMENT 1: Time vs Distance of a Dropped Object. Reference: Section 2-7 in your text.Theory: When a object is dropped the magnitude of its velocity (speed) increases as it is accelerated by the force of gravity. Assuming air friction is negligible all objects will have accelerated (increase their speed) by 9.8 m/s every second. At the end of 1 second the speed is 9.8 m/s, at the end of 2 seconds the speed is 19.6 m/s, etc. This acceleration, the acceleration due to gravity is named g. We write this as 9.8 m/s per second, which then becomes 9.8 m/s/s and then 9.8 m/s2. We say g is 9.8 meters per second squared. For a falling object the following equations prevail: y = ½ g t2 and t = y is the distance dropped and t is the time from releasing the object until it hits the floor. Note other letters are sometimes used for the variable, d being a popular choice.Procedure:You will drop one of the hex nuts from a height of about 6 ft. Stand near a wall, door jam, post of some kind and place a tape or have some other way of marking the height you will drop the hex nut from. Record this height. With a stop watch time the drop of the hex nut and record in the data table below. Repeat this for a total of 10 trials.Height of Drop: ___________ Data table for hex nut drop experiment:
Drop Number
Time (sec)
1
2
3
4
5
6
7
8
9
10
Average
Standard Deviation
Calculations: Using the average time from the table calculate the distance the hex nut dropped and compare to your recorded distance. Discuss sources of error. What does the Standard Deviation of your table imply? By-the-way, average reaction time for most people is about 0.2 seconds. That implies if you are driving and see a change in the traffic light it will take 0.2 seconds before your foot begins to move. EXPERIMENT 2 - Time intervals of a series of dropped objects.In this experiment you will make two strings of separated hex nuts and explore the interval of time between the impacts on the floor.:Construction: String 1: Evenly spaced hex nuts: d = 0.1 m (10 cm). Tie the first nut 10 cm from the end of the string and then continue tying hex nuts 10 cm above the previous until 6 hex nuts are tied to the string. Record the distance the hex nut is from the end of the string; this will be the distance the hex nut falls to the floor.Hex NutY (m)10.123456Procedure: Consider placing a pan lid, plate, or perhaps aluminum foil on the floor to make the impact sound louder. With the end of the string just touching the floor and you holding up the extended string drop the string and listen to the impacts.Results: Record your observation of the impacts. Do the succeeding impacts occur in equal time intervals or are the time intervals different and if so how? String 2: Unevenly space hex nuts: d = 0.1 m (10 cm). Tie the first nut 10 cm from the end of the string and then continue tying hex nuts with the spacing of: 30 cm, 50 cm, and 70 cm.Again record the distance the nuts are from the end of the string. This will be the distance they fall to the floor.Hex NutY (m)10.1234Procedure:With the end of the string just touching the floor and you holding up the extended string drop the string and listen to the impacts.Results: Record your observation of the impacts. Do the succeeding impacts occur in equal time intervals or are the time intervals different and if so how?What was the difference between the noise patterns for equally spaced nuts compared to the second spacing given to you?Analysis and DiscussionBased on your experimental results, please answer the following questions:ï What gives a falling object its acceleration?ï At any given time, all of the nuts should have the same velocity. Why are the time intervals between the evenly spaced nuts different?To understand this quantitatively, consider the following diagrams that model our string-hex nut systems:Set d = 10 cm (0.1 m) Using the kinematic equations, calculate the time it takes for each of the equally-spaced masses in the left diagram to hit the ground. Perform the same calculation for the staggered mass system in the right diagram. How does the time change between impacts of successive masses in both scenarios? Does this agree with your observations?ï In the staggered hex nut system that you dropped, which hex nut had the highest velocity when hitting the ground? Calculate this velocity using the proper kinematic equations.ï Say you have a very long string and want the hex nuts to hit the ground 1 second apart. Using the kinematics equations, determine the spacing for 5 nuts to hit with equal timing. How much string would you need? (Hint: plug in time values starting with t = 1 second into the kinematics equations to find each nut distance.)
ConclusionsReferences
10 pages
Marketing Plan Part B
The feedback from the first marketing plan was that I should explain the business’ mission statement and also raised que ...
Marketing Plan Part B
The feedback from the first marketing plan was that I should explain the business’ mission statement and also raised questions on how a startup ...
Schizophrenia Research Template
Good Morning,I have attached the following articles for my presentation.Please follow the APA guidelines, follow the gradi ...
Schizophrenia Research Template
Good Morning,I have attached the following articles for my presentation.Please follow the APA guidelines, follow the grading criteria exactly how they want it, and make it regarding nurse practitioner studies no register nurses.Please use graphs and make it 100
10 pages
Lab Assignment Linear Motion
The lab experiment focused on the freely falling objects. It followed all the kinematic equations for freely-falling objec ...
Lab Assignment Linear Motion
The lab experiment focused on the freely falling objects. It followed all the kinematic equations for freely-falling objects. The experiment comprised ...
IT832 ABM-Based Gaming Simulation Information Technology Discussion
Chapter 13 discussed managing complex systems and chapter 15 introduced the advantages of visual decision support. Discuss ...
IT832 ABM-Based Gaming Simulation Information Technology Discussion
Chapter 13 discussed managing complex systems and chapter 15 introduced the advantages of visual decision support. Discuss how you would combine the two concepts to create visualizations for an ABM-Based Gaming simulation for policy making. First, describe what specific policy you’re trying to create. Let’s stick with the SmartCity scenario. Describe a specific policy (that you haven’t used before), and how you plan to use ABM-Based Gaming to build a model for simulate the effects of the policy. Then, describe what type of visualization technique you’ll use to make the model more accessible. Use figure 15.9 and describe what data a new column for your policy would contain.To complete this assignment, you must do the following:A) Create a new thread. As indicated above, discuss how you would combine the two concepts to create visualizations for an ABM-Based Gaming simulation for policy making. First, describe what specific policy you’re trying to create. Let’s stick with the SmartCity scenario. Describe a specific policy (that you haven’t used before), and how you plan to use ABM-Based Gaming to build a model for simulate the effects of the policy. Then, describe what type of visualization technique you’ll use to make the model more accessible. Use figure 15.9 and describe what data a new column for your policy would contain.B) Select AT LEAST 3 other students' threads and post substantive comments on those threads, evaluating the pros and cons of that student’s recommendations. Your comments should extend the conversation started with the thread.ALL original posts and comments must be substantive. (I'm looking for about a paragraph - not just "I agree.")NOTE: These discussions should be informal discussions, NOT research papers. If you MUST directly quote a resource, then cite it properly. However, I would much rather simply read your words.
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Most Popular Content
Lab One Linear Motion
Lab Assignment 1: Linear MotionInstructor’s OverviewThis lab experiment focuses on freely falling objects. We develope ...
Lab One Linear Motion
Lab Assignment 1: Linear MotionInstructor’s OverviewThis lab experiment focuses on freely falling objects. We developed the kinematic equations for freely falling objects in Module 2. Now we will have an opportunity to directly experiment with free fall and apply our quantitative knowledge of kinematics.This activity is based on Lab 6 of the eScience Lab kit. Although you should read all of the content in Lab 6, we will be performing a targeted subset of the eScience experiments.Our lab consists of two components. These components are described in detail in the eScience manual (pages 71-73). This document serves as your lab report. Please include detailed descriptions of your experimental methods and observations.EXPERIMENT 1: Time vs Distance of a Dropped Object. Reference: Section 2-7 in your text.Theory: When a object is dropped the magnitude of its velocity (speed) increases as it is accelerated by the force of gravity. Assuming air friction is negligible all objects will have accelerated (increase their speed) by 9.8 m/s every second. At the end of 1 second the speed is 9.8 m/s, at the end of 2 seconds the speed is 19.6 m/s, etc. This acceleration, the acceleration due to gravity is named g. We write this as 9.8 m/s per second, which then becomes 9.8 m/s/s and then 9.8 m/s2. We say g is 9.8 meters per second squared. For a falling object the following equations prevail: y = ½ g t2 and t = y is the distance dropped and t is the time from releasing the object until it hits the floor. Note other letters are sometimes used for the variable, d being a popular choice.Procedure:You will drop one of the hex nuts from a height of about 6 ft. Stand near a wall, door jam, post of some kind and place a tape or have some other way of marking the height you will drop the hex nut from. Record this height. With a stop watch time the drop of the hex nut and record in the data table below. Repeat this for a total of 10 trials.Height of Drop: ___________ Data table for hex nut drop experiment:
Drop Number
Time (sec)
1
2
3
4
5
6
7
8
9
10
Average
Standard Deviation
Calculations: Using the average time from the table calculate the distance the hex nut dropped and compare to your recorded distance. Discuss sources of error. What does the Standard Deviation of your table imply? By-the-way, average reaction time for most people is about 0.2 seconds. That implies if you are driving and see a change in the traffic light it will take 0.2 seconds before your foot begins to move. EXPERIMENT 2 - Time intervals of a series of dropped objects.In this experiment you will make two strings of separated hex nuts and explore the interval of time between the impacts on the floor.:Construction: String 1: Evenly spaced hex nuts: d = 0.1 m (10 cm). Tie the first nut 10 cm from the end of the string and then continue tying hex nuts 10 cm above the previous until 6 hex nuts are tied to the string. Record the distance the hex nut is from the end of the string; this will be the distance the hex nut falls to the floor.Hex NutY (m)10.123456Procedure: Consider placing a pan lid, plate, or perhaps aluminum foil on the floor to make the impact sound louder. With the end of the string just touching the floor and you holding up the extended string drop the string and listen to the impacts.Results: Record your observation of the impacts. Do the succeeding impacts occur in equal time intervals or are the time intervals different and if so how? String 2: Unevenly space hex nuts: d = 0.1 m (10 cm). Tie the first nut 10 cm from the end of the string and then continue tying hex nuts with the spacing of: 30 cm, 50 cm, and 70 cm.Again record the distance the nuts are from the end of the string. This will be the distance they fall to the floor.Hex NutY (m)10.1234Procedure:With the end of the string just touching the floor and you holding up the extended string drop the string and listen to the impacts.Results: Record your observation of the impacts. Do the succeeding impacts occur in equal time intervals or are the time intervals different and if so how?What was the difference between the noise patterns for equally spaced nuts compared to the second spacing given to you?Analysis and DiscussionBased on your experimental results, please answer the following questions:ï What gives a falling object its acceleration?ï At any given time, all of the nuts should have the same velocity. Why are the time intervals between the evenly spaced nuts different?To understand this quantitatively, consider the following diagrams that model our string-hex nut systems:Set d = 10 cm (0.1 m) Using the kinematic equations, calculate the time it takes for each of the equally-spaced masses in the left diagram to hit the ground. Perform the same calculation for the staggered mass system in the right diagram. How does the time change between impacts of successive masses in both scenarios? Does this agree with your observations?ï In the staggered hex nut system that you dropped, which hex nut had the highest velocity when hitting the ground? Calculate this velocity using the proper kinematic equations.ï Say you have a very long string and want the hex nuts to hit the ground 1 second apart. Using the kinematics equations, determine the spacing for 5 nuts to hit with equal timing. How much string would you need? (Hint: plug in time values starting with t = 1 second into the kinematics equations to find each nut distance.)
ConclusionsReferences
10 pages
Marketing Plan Part B
The feedback from the first marketing plan was that I should explain the business’ mission statement and also raised que ...
Marketing Plan Part B
The feedback from the first marketing plan was that I should explain the business’ mission statement and also raised questions on how a startup ...
Schizophrenia Research Template
Good Morning,I have attached the following articles for my presentation.Please follow the APA guidelines, follow the gradi ...
Schizophrenia Research Template
Good Morning,I have attached the following articles for my presentation.Please follow the APA guidelines, follow the grading criteria exactly how they want it, and make it regarding nurse practitioner studies no register nurses.Please use graphs and make it 100
10 pages
Lab Assignment Linear Motion
The lab experiment focused on the freely falling objects. It followed all the kinematic equations for freely-falling objec ...
Lab Assignment Linear Motion
The lab experiment focused on the freely falling objects. It followed all the kinematic equations for freely-falling objects. The experiment comprised ...
IT832 ABM-Based Gaming Simulation Information Technology Discussion
Chapter 13 discussed managing complex systems and chapter 15 introduced the advantages of visual decision support. Discuss ...
IT832 ABM-Based Gaming Simulation Information Technology Discussion
Chapter 13 discussed managing complex systems and chapter 15 introduced the advantages of visual decision support. Discuss how you would combine the two concepts to create visualizations for an ABM-Based Gaming simulation for policy making. First, describe what specific policy you’re trying to create. Let’s stick with the SmartCity scenario. Describe a specific policy (that you haven’t used before), and how you plan to use ABM-Based Gaming to build a model for simulate the effects of the policy. Then, describe what type of visualization technique you’ll use to make the model more accessible. Use figure 15.9 and describe what data a new column for your policy would contain.To complete this assignment, you must do the following:A) Create a new thread. As indicated above, discuss how you would combine the two concepts to create visualizations for an ABM-Based Gaming simulation for policy making. First, describe what specific policy you’re trying to create. Let’s stick with the SmartCity scenario. Describe a specific policy (that you haven’t used before), and how you plan to use ABM-Based Gaming to build a model for simulate the effects of the policy. Then, describe what type of visualization technique you’ll use to make the model more accessible. Use figure 15.9 and describe what data a new column for your policy would contain.B) Select AT LEAST 3 other students' threads and post substantive comments on those threads, evaluating the pros and cons of that student’s recommendations. Your comments should extend the conversation started with the thread.ALL original posts and comments must be substantive. (I'm looking for about a paragraph - not just "I agree.")NOTE: These discussions should be informal discussions, NOT research papers. If you MUST directly quote a resource, then cite it properly. However, I would much rather simply read your words.
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