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Assignment: Mapping the Ocean Floor Exploration
Collecting Data at 10 cm intervals
Distance from Shore (in cm)
Depth
10
20
30
40
50
60
70
80
90
100
© K12 Inc.
AV011413
© K12 Inc.
AV011413
Collecting Data at 5 cm intervals
Distance from shore (in cm)
Depth
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
© K12 Inc.
AV011413
Questions
1. Compare the two line graphs. Which one more closely matches the appearance of the ocean
floor? Why do you think that is?
2. Why is sonar a more accurate way of mapping the ocean floor than weighted lines?
© K12 Inc.
AV011413
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• In the first part of the lab, you will work with a rubber popper to explore concepts such as potential energy, kinetic energy, and energy conservation.
• In the second part of the lab, you will be presented with a diagram of a rollercoaster. Based on your knowledge of potential and kinetic energy and energy conservation, you will answer a series of questions on the design. This activity dovetails well with the Instructor’s Commentary on roller coasters.
Take detailed notes as you perform the experiment and fill out the sections below. This document serves as your lab report. Please include detailed descriptions of your experimental methods and observations. Record all of your data in the table that is provided in this document.Procedure 1 – Popper Experiment:
• Place the popper on a smooth flat surface like a linoleum floor. I recommend placing the popper on the floor since it travels a good height. When I initially ran the experiment on my kitchen table, the popper hit the ceiling.
• I recommend recruiting a lab assistant when you run the popper experiment. When you turn the popper inside out and place it on the ground, it takes off in short order. I recommend having one person holding the popper on the floor and that person also timing the flight. The other person should be standing and ready to place their hand at the peak of the flight.
Student: AbstractMaterial and Methods
ResultsData tables for the popper experiment:Maximum height test
Trial
Height (meters)
1
2
3
4
5
6
7
8
9
10
Average
Standard Deviation
Flight time testTrialTotal flight time (seconds)12345678910AverageStandard DeviationAnalysis and DiscussionBased on your results from the popper energy experiment, please answer the following questions:
1. What is the gravitational potential energy of the popper at its average measured maximum height?
Use g = 9.8 m/s2, and a mass of 0.01 kg.Potential energy = PE = mgh =
2. Use the following kinematic equation to calculate the initial velocity of the popper based on how long it is in the air:
v0 = : t is total time of flight (up and down). n
3. Use the calculated value for the initial velocity to find the kinetic energy of the popper right as it “pops” up.
KE = ½ mvo2
4. Compare your answers for potential energy and kinetic energy. Are they the same, or close to the same?
5. Is the energy stored in the popper rubber before it “pops” more or less than the energy the popper has at its total height? Why?
Roller coaster exerciseConsider the following roller coaster layout taken from the eScience manual:Based on your understanding of energy concepts, please answer the following questions. Make sure to include detailed physical arguments.
• What happens to the roller coasters kinetic energy between points B and C? What happens to its potential energy between these points?
• Why is it important for A to be higher than C (assume friction is negligible)?
• 125
• If the roller coaster starts at point A, can it ever go higher than this point? What causes the roller coaster train to lose energy over its trip?
• List the points in order of greatest potential energy to least.
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Most Popular Content
1 page
Series Circuits
Claim: Ohm’s law does describe the relationship between current(I), Voltage(V) and 1) My first piece of evidence deals w ...
Series Circuits
Claim: Ohm’s law does describe the relationship between current(I), Voltage(V) and 1) My first piece of evidence deals with the voltage. When the ...
4 pages
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The use, overuse, and abuse of antibiotics is accredited with creating these antibiotic resistant strains. Explain how thi ...
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Lab Assignment 5: EnergyInstructor’s OverviewEnergy is a key concept in physics. In this lab we will explore the conce ...
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• In the first part of the lab, you will work with a rubber popper to explore concepts such as potential energy, kinetic energy, and energy conservation.
• In the second part of the lab, you will be presented with a diagram of a rollercoaster. Based on your knowledge of potential and kinetic energy and energy conservation, you will answer a series of questions on the design. This activity dovetails well with the Instructor’s Commentary on roller coasters.
Take detailed notes as you perform the experiment and fill out the sections below. This document serves as your lab report. Please include detailed descriptions of your experimental methods and observations. Record all of your data in the table that is provided in this document.Procedure 1 – Popper Experiment:
• Place the popper on a smooth flat surface like a linoleum floor. I recommend placing the popper on the floor since it travels a good height. When I initially ran the experiment on my kitchen table, the popper hit the ceiling.
• I recommend recruiting a lab assistant when you run the popper experiment. When you turn the popper inside out and place it on the ground, it takes off in short order. I recommend having one person holding the popper on the floor and that person also timing the flight. The other person should be standing and ready to place their hand at the peak of the flight.
Student: AbstractMaterial and Methods
ResultsData tables for the popper experiment:Maximum height test
Trial
Height (meters)
1
2
3
4
5
6
7
8
9
10
Average
Standard Deviation
Flight time testTrialTotal flight time (seconds)12345678910AverageStandard DeviationAnalysis and DiscussionBased on your results from the popper energy experiment, please answer the following questions:
1. What is the gravitational potential energy of the popper at its average measured maximum height?
Use g = 9.8 m/s2, and a mass of 0.01 kg.Potential energy = PE = mgh =
2. Use the following kinematic equation to calculate the initial velocity of the popper based on how long it is in the air:
v0 = : t is total time of flight (up and down). n
3. Use the calculated value for the initial velocity to find the kinetic energy of the popper right as it “pops” up.
KE = ½ mvo2
4. Compare your answers for potential energy and kinetic energy. Are they the same, or close to the same?
5. Is the energy stored in the popper rubber before it “pops” more or less than the energy the popper has at its total height? Why?
Roller coaster exerciseConsider the following roller coaster layout taken from the eScience manual:Based on your understanding of energy concepts, please answer the following questions. Make sure to include detailed physical arguments.
• What happens to the roller coasters kinetic energy between points B and C? What happens to its potential energy between these points?
• Why is it important for A to be higher than C (assume friction is negligible)?
• 125
• If the roller coaster starts at point A, can it ever go higher than this point? What causes the roller coaster train to lose energy over its trip?
• List the points in order of greatest potential energy to least.
ConclusionsReferences
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Marie Curie was a famous Polish-born French scientist known for her pioneering research on radioactivity. Her work not onl ...
LACC Wbc and The Relation to The Various Infections Discussion
Marie Curie was a famous Polish-born French scientist known for her pioneering research on radioactivity. Her work not only brought her fame but her death as well; she developed aplastic anemia due to radiation exposure. She experienced recurrent and prolonged infections (viral, bacterial, parasitic, and fungal). Explain why she suffered from recurrent infections. Be sure to mention the different types of WBC and the relation to the various infections, and the reasons why she lacked the cell-mediated and the humeral response
MSCI 500 B01 Liberty University CH17 WK4 Tumor Angiogenesis Genetics Question
Instructions
For this assignment, you are to read chapter 17 from The Molecular Basis of Cancer textbook by Mendelsohn et ...
MSCI 500 B01 Liberty University CH17 WK4 Tumor Angiogenesis Genetics Question
Instructions
For this assignment, you are to read chapter 17 from The Molecular Basis of Cancer textbook by Mendelsohn et al, then write a chapter summary on the topic “Tumor Angiogenesis”. It should not be more than two (2) pages long and must be in AMA format. You are to use at least two additional peer-reviewed scientific articles as reference materials.
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