rotational motion physics problem
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cvengrnevry@lnubb.pb
Science
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An industrial flywheel has a 1.5 m diameter and a mass of 250 kg. A motor spins the flywheel with a constant torque of 50 Nm. How long does it take the flywheel to reach top angular speed of 1200 rpm?
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Biochem K C
1. Describe ketone bodies and their role in metabolism. (10 points) Your response will give me a clear view of the concept ...
Biochem K C
1. Describe ketone bodies and their role in metabolism. (10 points) Your response will give me a clear view of the concepts, facts, and themes that ...
SCIN 130 American Public University Hala Indigenous Plants Biology Presentation
Develop an audio-narrated PowerPoint presentation based on the research you have conducted about your chosen species.Assig ...
SCIN 130 American Public University Hala Indigenous Plants Biology Presentation
Develop an audio-narrated PowerPoint presentation based on the research you have conducted about your chosen species.Assignment Instructions: Using the course project steps completed to date, you will develop your presentation based on the work you submitted for Assignments 1 and 2 as well as the feedback you were given.To prepare for this assignment, I recommend that you do the following:Read these directions carefully.Review the grading rubric at the bottom of the page. The grading rubric is a detailed evaluation that I will use to assess your performance. It will also help you understand what is expected of you as you prepare your assignment. Message me with any questions!Presentation requirements:Your presentation will be submitted as an audio-narrated PowerPoint. For instructions on how to create audio narration in PowerPoint, see the following link: Record a Slide Show With Narration. Audio narration is a requirement!There must be a visual element (e.g., photos, videos, graphs, figures).Your presentation must contain approximately 10-15 slides (excluding references) and run approximately 5-10 minutes.Please note that less than 10% of your presentation should contain direct quotes.Proper use and pronunciation of scientific terminology are required. For help with pronunciation, see this link: Cambridge DictionaryBe sure to properly cite your work, both internal to the presentation as well as within the reference slide (this includes photos, graphs, figures, videos, etc.).All references listed on the reference slide should be cited internally within the presentation, and vice versa.The required elements: Your presentation should contain the following elements in the order listed below.The Body – Plants ONLYDescriptionYou must include a brief physical description. You can use your personal observations. If you cannot safely observe your organism, you must research.Size, Coloring, Leaf arrangement, flower color, etc.Life Cycle and ReproductionLife Cycle: describe the life cycle of your organism. The life cycle refers to the series of changes that happens from the beginning of life as your organism develops and grows into a mature organism. Please see here for some hints on the Life Cycle. Plants can be a bit more complicated, so if you have any questions please feel free to ask!Reproduction: You must discuss the reproductive strategies of your organism. Are there any specific structure or cells involved in reproduction? Are the flowers specialized?Structure and FunctionPlease select one organ system of your organism that you find to be particularly interesting and describe both the anatomy and physiology of that system.If your organism is a plant, here are a list of the general plant organ systemsIf you have selected a fungus the concept can be more complex. Please contact me directly for more help if needed.Energy EcologyIf you can observe these, that is best. If not, research.How does your plant harvest the energy from the sun? How does it store the energyHabitatWhere your organism lives. This does not refer to a city or state, but rather the natural environment in which your organism lives.You should consider abiotic factors, such as soil, water, etc., as well as biotic factors, such as predators, hosts, etc.Conclusions - ALLThis section must contain:Four to six points that sum up the main topics of the presentation that you have in your outlineReference Slide(s) and Internal Citations – ALLThis section must contain:Internal citations - This is not just a separate section; rather, referencing should occur throughout the presentation via parenthetical citations anytime you paraphrase, make direct quotes, or use visual components from other sources. Please be sure to cite any language, images, videos, etc. in the presentation that should be cited. Reference Slide - Your presentation should also have a final reference slide listing 5-10 credible sources researched for your presentation. NOTE: these are not included in the slide count for your presentation.Do not include your summary/evaluation from Assignment 1: Annotated Bibliography; simply list the references utilized in your presentation in APA format on the reference slide.Rubric 10-15 slideslast slide titled “References”. More than five credible references were utilized.Superb layout and use of all visuals which enhance the understanding of the research topic and generate interest.Clear text with excellent use of font size, type, and color.I can do the voice narrative. Thank you :)
Photosynthesis lab
What is the name of the pigment that captures light directly in photosynthesis? (2 points)Why does the p ...
Photosynthesis lab
What is the name of the pigment that captures light directly in photosynthesis? (2 points)Why does the pigment appear green? (2 points)
List two variables besides the wavelength (color) of light which might affect the rate of food production in plants. (4 points)
Why is chlorophyll important for all biological life? (5 points)
In Part I of the procedure, what is the name of the indicator used to identify the presence of CO2? (2 points)What color did the indicator turn after blowing air into the water through the straw? (2 points)
What color did the indicator turn after the tube was placed under a light source for 30 minutes? (2 points) Why did this occur? (3 points)
List the functions of these four common pigments found in plants. (4 points)
Chlorophyll aChlorophyll bXanthophyllCarotene
If the Rf factor of a pigment is .3750 and the distance that the solvent traveled is 8 cm, how far did the pigment travel? (5 points)List the Rf values for each of the pigments extracted from the spinach leaves, as seen in the chromatography procedure (4 points).
CaroteneXanthophyllChlorophyll aChlorophyll b
Based on the results, which pigment has the highest molecular weight? (5 points)From the chromatography lab, which pigments were soluble in the acetone? (5 points)The earth's early atmosphere did not contain oxygen. This changed dramatically once the early cells underwent photosynthesis.
Explain how photosynthesis was able to occur in earth’s early atmosphere. (5 points)How did photosynthesis eventually affect the evolution of other organisms? (5 points)
In reviewing the data from the floating disk
experiment, which factor had a greater impact on the rate of
photosynthesis (light intensity or concentration of
carbon dioxide)? (5 points)Explain how you came to this conclusion? (5 points)
**INFORMATION NEEDED TO COMPLETE THE FOLLOWING PROBLEMS**Independent Variable: This is the cause.Dependent Variable: This is the response or effect.One hundred samples of several different plants were placed
in each of six sealed containers with water in them. At the end of two
days the amount of oxygen produced was
measured. Results are shown in the table below.
Container
Plant
Height of Plant
Light Intensity
Source of Light
Distance from Light
ml O2 Produced
1
Iris
4"
High
Artificial
6"
16
2
Iris
4"
High
Natural
6"
13
3
Iris
6"
Low
Artificial
5"
12
4
Carnation
6"
High
Natural
4"
13
5
Carnation
6"
Low
Natural
4"
9
6
Carnation
4"
Low
Artificial
5"
14
Multiple Choice: Based on the data
presented in the table, which two containers could be correctly used to
compare the rate of photosynthesis at two different light intensities?
(5 points)
1 and 22 and 31 and 55 and 64 and 5
Multiple Choice: Compare Containers 1 and 2. What independent variable is tested by this comparison? (5 points)
Kind of plantHeight of plantLight intensityDistance from light sourceLight source
Multiple Choice: Which container had the slowest rate of photosynthesis? (5 points)
123456
(Application) How might the
information gained from this lab pertaining to photosynthesis and
pigments be useful to you, or how can you apply this knowledge to your
everyday life as a non-scientist? The application will be graded
according to the rubric below. (20 points) Key components of critical thinking and application include the following:Demonstrates application and comprehension of the scientific principles.Displays competence in applying scientific knowledge to your personal or professional life.Relevant content is supported by facts, data, and detailed examples.The application paragraph is organized and structured.
Critical Thinking and Application of Information
0%
1-49%
50-99%
100%
Is your application a detailed description of how the lab content is relevant to your life?
Application did not adequately demonstrate
application or comprehension of the scientific principles. Did not
include detailed examples, facts or data. Or the application was not
included.
A few areas of the application demonstrated
some application and comprehension of the scientific principles by
applying the knowledge to the student’s personal and professional life,
but lacked detailed examples to support the content provided.
Application demonstrated some organization and structure within the
paragraph.
Most areas of the application demonstrated
evidence of critical thinking and comprehension of the scientific
principles. Displayed good competence and the relevant content was
supported with good use of examples that apply the concepts and describe
how the information will be relevant and useful to the student’s
personal or professional life. The application paragraph is primarily
presented in an organized and structured manner.
Application included a complete and detailed
description of how the concepts are relevant and useful or applicable
to the student’s personal or professional life. The application
includes detailed examples and reveals insight into the scientific
principles. The application paragraph maintains a strong sense of
purpose and organization throughout.
EXCELLENT VERY GOOD GOOD FAIR NEEDS IMPROVEMENT CRITICAL THINKING AND APPLICATION OF INFORMATION (20 points) 18-20 16-17 14-15 12-13 Below 12
Meteorology 30 Questions Quiz,,LAB (APA Report Format) and Forum Week 4.
Please send me copy of LAB report when completed. Need Forum Completed by Wednesday. Please only do week 4 Quiz. My Prof ...
Meteorology 30 Questions Quiz,,LAB (APA Report Format) and Forum Week 4.
Please send me copy of LAB report when completed. Need Forum Completed by Wednesday. Please only do week 4 Quiz. My Professor had to reset Quiz week 7 and week 8. Thank YouRequired Tasks for this Week:Textbook Reading:Barry and Chorley - Chapter 6: Atmospheric Motion: PrinciplesBarry and Chorley - Chapter 7: Planetary-Scale Motions in the Atmosphere and OceanWeek 4 Lesson: Atmospheric Circulations & Air Masses, Fronts, and Middle-Latitude Cyclones Week 4 ForumWeek 4 Lab - Complete prior to attempting Week 4 QuizWeek 4 QuizOptional Tasks for this Week:COMET ModulesThermally-Forced Circulation I: Sea BreezesJet StreamsLearning Outcomes:LO-26. Describe the global general circulation of the atmosphere. LO-27. Explain why the general circulation produces large scale precipitation patterns. LO-28. Discuss deviations from the general circulation and the effects of these deviations. LO-29. Identify various kinds of air masses and their sources. LO-30. Describe the various kinds of fronts and their characteristics. LO-31. Explain the Polar Front Theory. LO-32. Discuss middle latitude cyclones and explain how they are different from tropical cyclones.
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Biochem K C
1. Describe ketone bodies and their role in metabolism. (10 points) Your response will give me a clear view of the concept ...
Biochem K C
1. Describe ketone bodies and their role in metabolism. (10 points) Your response will give me a clear view of the concepts, facts, and themes that ...
SCIN 130 American Public University Hala Indigenous Plants Biology Presentation
Develop an audio-narrated PowerPoint presentation based on the research you have conducted about your chosen species.Assig ...
SCIN 130 American Public University Hala Indigenous Plants Biology Presentation
Develop an audio-narrated PowerPoint presentation based on the research you have conducted about your chosen species.Assignment Instructions: Using the course project steps completed to date, you will develop your presentation based on the work you submitted for Assignments 1 and 2 as well as the feedback you were given.To prepare for this assignment, I recommend that you do the following:Read these directions carefully.Review the grading rubric at the bottom of the page. The grading rubric is a detailed evaluation that I will use to assess your performance. It will also help you understand what is expected of you as you prepare your assignment. Message me with any questions!Presentation requirements:Your presentation will be submitted as an audio-narrated PowerPoint. For instructions on how to create audio narration in PowerPoint, see the following link: Record a Slide Show With Narration. Audio narration is a requirement!There must be a visual element (e.g., photos, videos, graphs, figures).Your presentation must contain approximately 10-15 slides (excluding references) and run approximately 5-10 minutes.Please note that less than 10% of your presentation should contain direct quotes.Proper use and pronunciation of scientific terminology are required. For help with pronunciation, see this link: Cambridge DictionaryBe sure to properly cite your work, both internal to the presentation as well as within the reference slide (this includes photos, graphs, figures, videos, etc.).All references listed on the reference slide should be cited internally within the presentation, and vice versa.The required elements: Your presentation should contain the following elements in the order listed below.The Body – Plants ONLYDescriptionYou must include a brief physical description. You can use your personal observations. If you cannot safely observe your organism, you must research.Size, Coloring, Leaf arrangement, flower color, etc.Life Cycle and ReproductionLife Cycle: describe the life cycle of your organism. The life cycle refers to the series of changes that happens from the beginning of life as your organism develops and grows into a mature organism. Please see here for some hints on the Life Cycle. Plants can be a bit more complicated, so if you have any questions please feel free to ask!Reproduction: You must discuss the reproductive strategies of your organism. Are there any specific structure or cells involved in reproduction? Are the flowers specialized?Structure and FunctionPlease select one organ system of your organism that you find to be particularly interesting and describe both the anatomy and physiology of that system.If your organism is a plant, here are a list of the general plant organ systemsIf you have selected a fungus the concept can be more complex. Please contact me directly for more help if needed.Energy EcologyIf you can observe these, that is best. If not, research.How does your plant harvest the energy from the sun? How does it store the energyHabitatWhere your organism lives. This does not refer to a city or state, but rather the natural environment in which your organism lives.You should consider abiotic factors, such as soil, water, etc., as well as biotic factors, such as predators, hosts, etc.Conclusions - ALLThis section must contain:Four to six points that sum up the main topics of the presentation that you have in your outlineReference Slide(s) and Internal Citations – ALLThis section must contain:Internal citations - This is not just a separate section; rather, referencing should occur throughout the presentation via parenthetical citations anytime you paraphrase, make direct quotes, or use visual components from other sources. Please be sure to cite any language, images, videos, etc. in the presentation that should be cited. Reference Slide - Your presentation should also have a final reference slide listing 5-10 credible sources researched for your presentation. NOTE: these are not included in the slide count for your presentation.Do not include your summary/evaluation from Assignment 1: Annotated Bibliography; simply list the references utilized in your presentation in APA format on the reference slide.Rubric 10-15 slideslast slide titled “References”. More than five credible references were utilized.Superb layout and use of all visuals which enhance the understanding of the research topic and generate interest.Clear text with excellent use of font size, type, and color.I can do the voice narrative. Thank you :)
Photosynthesis lab
What is the name of the pigment that captures light directly in photosynthesis? (2 points)Why does the p ...
Photosynthesis lab
What is the name of the pigment that captures light directly in photosynthesis? (2 points)Why does the pigment appear green? (2 points)
List two variables besides the wavelength (color) of light which might affect the rate of food production in plants. (4 points)
Why is chlorophyll important for all biological life? (5 points)
In Part I of the procedure, what is the name of the indicator used to identify the presence of CO2? (2 points)What color did the indicator turn after blowing air into the water through the straw? (2 points)
What color did the indicator turn after the tube was placed under a light source for 30 minutes? (2 points) Why did this occur? (3 points)
List the functions of these four common pigments found in plants. (4 points)
Chlorophyll aChlorophyll bXanthophyllCarotene
If the Rf factor of a pigment is .3750 and the distance that the solvent traveled is 8 cm, how far did the pigment travel? (5 points)List the Rf values for each of the pigments extracted from the spinach leaves, as seen in the chromatography procedure (4 points).
CaroteneXanthophyllChlorophyll aChlorophyll b
Based on the results, which pigment has the highest molecular weight? (5 points)From the chromatography lab, which pigments were soluble in the acetone? (5 points)The earth's early atmosphere did not contain oxygen. This changed dramatically once the early cells underwent photosynthesis.
Explain how photosynthesis was able to occur in earth’s early atmosphere. (5 points)How did photosynthesis eventually affect the evolution of other organisms? (5 points)
In reviewing the data from the floating disk
experiment, which factor had a greater impact on the rate of
photosynthesis (light intensity or concentration of
carbon dioxide)? (5 points)Explain how you came to this conclusion? (5 points)
**INFORMATION NEEDED TO COMPLETE THE FOLLOWING PROBLEMS**Independent Variable: This is the cause.Dependent Variable: This is the response or effect.One hundred samples of several different plants were placed
in each of six sealed containers with water in them. At the end of two
days the amount of oxygen produced was
measured. Results are shown in the table below.
Container
Plant
Height of Plant
Light Intensity
Source of Light
Distance from Light
ml O2 Produced
1
Iris
4"
High
Artificial
6"
16
2
Iris
4"
High
Natural
6"
13
3
Iris
6"
Low
Artificial
5"
12
4
Carnation
6"
High
Natural
4"
13
5
Carnation
6"
Low
Natural
4"
9
6
Carnation
4"
Low
Artificial
5"
14
Multiple Choice: Based on the data
presented in the table, which two containers could be correctly used to
compare the rate of photosynthesis at two different light intensities?
(5 points)
1 and 22 and 31 and 55 and 64 and 5
Multiple Choice: Compare Containers 1 and 2. What independent variable is tested by this comparison? (5 points)
Kind of plantHeight of plantLight intensityDistance from light sourceLight source
Multiple Choice: Which container had the slowest rate of photosynthesis? (5 points)
123456
(Application) How might the
information gained from this lab pertaining to photosynthesis and
pigments be useful to you, or how can you apply this knowledge to your
everyday life as a non-scientist? The application will be graded
according to the rubric below. (20 points) Key components of critical thinking and application include the following:Demonstrates application and comprehension of the scientific principles.Displays competence in applying scientific knowledge to your personal or professional life.Relevant content is supported by facts, data, and detailed examples.The application paragraph is organized and structured.
Critical Thinking and Application of Information
0%
1-49%
50-99%
100%
Is your application a detailed description of how the lab content is relevant to your life?
Application did not adequately demonstrate
application or comprehension of the scientific principles. Did not
include detailed examples, facts or data. Or the application was not
included.
A few areas of the application demonstrated
some application and comprehension of the scientific principles by
applying the knowledge to the student’s personal and professional life,
but lacked detailed examples to support the content provided.
Application demonstrated some organization and structure within the
paragraph.
Most areas of the application demonstrated
evidence of critical thinking and comprehension of the scientific
principles. Displayed good competence and the relevant content was
supported with good use of examples that apply the concepts and describe
how the information will be relevant and useful to the student’s
personal or professional life. The application paragraph is primarily
presented in an organized and structured manner.
Application included a complete and detailed
description of how the concepts are relevant and useful or applicable
to the student’s personal or professional life. The application
includes detailed examples and reveals insight into the scientific
principles. The application paragraph maintains a strong sense of
purpose and organization throughout.
EXCELLENT VERY GOOD GOOD FAIR NEEDS IMPROVEMENT CRITICAL THINKING AND APPLICATION OF INFORMATION (20 points) 18-20 16-17 14-15 12-13 Below 12
Meteorology 30 Questions Quiz,,LAB (APA Report Format) and Forum Week 4.
Please send me copy of LAB report when completed. Need Forum Completed by Wednesday. Please only do week 4 Quiz. My Prof ...
Meteorology 30 Questions Quiz,,LAB (APA Report Format) and Forum Week 4.
Please send me copy of LAB report when completed. Need Forum Completed by Wednesday. Please only do week 4 Quiz. My Professor had to reset Quiz week 7 and week 8. Thank YouRequired Tasks for this Week:Textbook Reading:Barry and Chorley - Chapter 6: Atmospheric Motion: PrinciplesBarry and Chorley - Chapter 7: Planetary-Scale Motions in the Atmosphere and OceanWeek 4 Lesson: Atmospheric Circulations & Air Masses, Fronts, and Middle-Latitude Cyclones Week 4 ForumWeek 4 Lab - Complete prior to attempting Week 4 QuizWeek 4 QuizOptional Tasks for this Week:COMET ModulesThermally-Forced Circulation I: Sea BreezesJet StreamsLearning Outcomes:LO-26. Describe the global general circulation of the atmosphere. LO-27. Explain why the general circulation produces large scale precipitation patterns. LO-28. Discuss deviations from the general circulation and the effects of these deviations. LO-29. Identify various kinds of air masses and their sources. LO-30. Describe the various kinds of fronts and their characteristics. LO-31. Explain the Polar Front Theory. LO-32. Discuss middle latitude cyclones and explain how they are different from tropical cyclones.
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