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What Nitrogenous base that occurs in RNA but not in DNA?
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Demonstrate Gravitational Forces on A Mass on An Incline Worksheet
1- About this module
in this module you will investigate the relationship between a mass on an incline and the gravitation ...
Demonstrate Gravitational Forces on A Mass on An Incline Worksheet
1- About this module
in this module you will investigate the relationship between a mass on an incline and the gravitational field. Students will also examine friction of a mass/inline interface. The student will:
Demonstrate gravitational forces on a mass on an incline.
Develop formulas describing the motion.
Investigate forces of friction on an incline.
2- Instructions on viewing demonstrations
When viewing the demonstrations, note the variables. Identify the random error one would encounter in performing the experiment. Look back at what you have learned so far and see what applies here.
Note: Later in your analysis, you will need to refer to these observations.
3- Incline demonstration
You have to watch the video about the physics lab experiment. The video is only thirty seconds long. (Just 30 seconds)
Also, I provided the link for this video to watch it, just click the link then download the video to watch it.
(Video)
https://we.tl/t-Op561tw64Z
4- Prediction instructions
After observing the video demonstration, make a prediction of the relationship between the angle of the incline and the acceleration of the rolling smart car. Keep your prediction handy. Submit it with your final upload. You can attach it to your final spreadsheet upload on a separate tab as a JPEG. Make your prediction in he form of a graph (just draw it on paper and take a picture).
Note: You will not be counted off by being wrong. We just want to see the predictions of our students before the lab. Full credit will be provided with inclusion.
5- Analysis instructions-3
The Excel file attached here contains velocity vs. time data for five angles. For each data set, you are to run a LINEST and determine the slope and the uncertainty in the slope (see previous instructions on LINEST in Excel analysis module). Note: Each data set is in the tab named for the angle that was used (6.0, 7.5, 9.0, 10.0, 10.4). You don't have to graph the velocity vs. time graphs for presentation. But, you should take a look at a quick graph to observe if there is a linear relationship. Run a LINEST on each data tab with velocity being dependent and time being independent. You will use these slopes for the "acceleration" tab.
According to a simple analysis of a smart car rolling down the incline, assuming friction is negligible, the equation for the acceleration is written as
ax=gsin?. Recall that the velocity as a function of time equation for constant acceleration (here we are assigning the x-direction as being along the inline plane) is written as vx=v0x+axt. Thus, the slope of each of your LINEST results is the constant acceleration for that particular angle.
1. On the next tab, which is called "acceleration", label column A as angle (cell A1), column B as sin?, and column C as acceleration (the slope of each of the velocity vs. time graphs for each angle. Do not include the uncertainty in this column input).
2. In column A, the angle is in degrees. But, we need radians. So in cell B2, type "=A2*(3.14/180)". Don't include the quotes of course. Copy the formula down. Here we just utilized the small angle approximation sin???.
3. Plot acceleration vs. angle and make a nice, formatted graph. Think back to your prediction and make a note of your recollections. Run a LINEST and determine the slope AND the uncertainty. Is this what you expected? Record the slope and the uncertainty along with its units clearly on the page. You can insert a textbox and type this into the textbox.
4. Take a moment and reflect on everything you have done up to this point. Make notes and ask the TA questions if you are not sure what you have done to this point. Save your file for a later upload. You will use the friction and summary tab later.
(I uploaded the excel file and has some data and you have to fill in the data and make what it says in all instructions).
6- Friction demonstration
You have to watch the video about the physics lab experiment. The video is only thirty five seconds long. (Just 35 seconds)
Also, I provided the link for this video to watch it, just click the link then download the video to watch it.
(video)
https://we.tl/t-eqw6rdXng1
7- Friction analysis instructions
After viewing the demonstrations of the incline, you will do a simple examination of friction at home.
1. Obtain a uniform inline plane (a clipboard with paper, a cardboard piece from a box,..). This is any surface with uniform conditions and shaped to where you can adjust the angle and take measurements from observations.
2. Obtain three (different) uniform objects (coins, blocks,...) with slightly different surfaces of "roughness". Take pictures of these objects and of your incline.
Open up your spreadsheet. Go now to the friction tab. You have three objects for which you are providing measurements to obtain the coefficient of static friction. I would use columns A, B, and C for object 1. E, F, and G for object 2, and so forth. Your measurements of height and base can be placed in the first two columns for each object section, and the value of the ratio (static friction) in the third row. When all of that is done, place the picture of that object on the incline underneath each data set. But, if you have a better way to organize, feel free!!
But, take the time to organize!
3. For each item, place at the top of your incline, start at zero angle, and then slowly raise until you (just) see it slip. Record this height (see below). Do this several times for each object to get an average height for best results. In the apreadsheet, you should, for scientific honesty and integrity, record all trials to obtain the average.
4. To determine the angle, use the right-triangle analysis (unless you have an angle indicator): tan?=heightbase. The "base" is a measure of the length of the incline (lay flat down and measure the length of the incline).
5. The coefficient of static friction is defined as:
?s=tan?. Therefore, find the ratio with the height and base to determine this (average) coefficient for each object on the same incline.
Start each object from the same place for consistency.
6. Clearly indicate what the average coefficient for each interface (object/incline) is on the spreadsheet. Indicate this in each object section of the spreadsheet or in a singular textbox with labels.
Note: For a smart car, it is rolling. But, you are still getting an idea of friction by doing this exercise.
8- Final instructions
Putting it all together, address the following questions in the summary portion of your spreadsheet:
1. List all random errors associated with the incline demonstration. If you were doing the experiment, minus anything to do with the software or embedded sensors in the smartcar, which random errors can you identify?
2. Do the same thing for your experiment with your own incline. List all random errors associated with your data collection. Make sure to list again what your average values are for each interface. Note: Mentioning the observed "roughness" for each object would help make sense of the numbers.
3. Based on your final value of the slope AND the uncertainty of the acceleration vs. angle analysis, which should be g, is the result reasonable taking into account all random error?
4. Following up on number 3, was it acceptable to neglect friction based on all of your results and observations? Explain.
2 pages
Discussion
Certain villages in India are very conservative and women are required to wear clothes that completely cover their entire ...
Discussion
Certain villages in India are very conservative and women are required to wear clothes that completely cover their entire body. Unfortunately these ...
6 pages
Distillation Experiment Final
Distillation is a physical process in which the components of a liquid mixture can be separated by taking advantage of the ...
Distillation Experiment Final
Distillation is a physical process in which the components of a liquid mixture can be separated by taking advantage of the difference in their boiling ...
CHEM 141 Cuyamaca College Electrical Conductivity of Substances Lab Report
I have attached a pdf file of lab manual - it has about 45 questions about the lab Read all of experiment 5 in the lab man ...
CHEM 141 Cuyamaca College Electrical Conductivity of Substances Lab Report
I have attached a pdf file of lab manual - it has about 45 questions about the lab Read all of experiment 5 in the lab manual. You will be be completing a modified version of this experiment using a series of fourteen videos created by Professor Judy George and filmed by Senior Lab Technician Lisa Oertling using an older version of the lab manual, so we will need to make some adjustments. During the lab period you will watch the following videos and record experimental observations about physical and chemical changes. As you complete the experiment you will answer the Procedure Questions in the lab manual. Conductivity YouTube Playlist (Links to an external site.)Video #1 Conductivity intro Video #2 DI, tap use table 5.9sucrose, add water use table 5.11NaCl(s) Video #3 NaCl with water use table 5.10 0.1 M HgCl2 use table 5.130.1 M HCl, 0.1 M NaOH use table 5.210.1 M NH3 use table 5.23Video #4 0.1 M NaCl use table 5.10methanol and add water use table 5.12Video #5glacial acetic acid and add water use table 5.140.1 M acetic acid use table 5.23Video #6, 7, and 8 KClO3 use table 5.15Video #9 xylene, HCl in xylene, add water use tables 5.16 and 5.17For the conductivity of 6M HCl and 6M NaOH i.e. table 5.18, please refer back to video #3Video #10 Zn and 6M HClZn and 6 M HC2H3O2 use table 5.20 Video #11 CaCO3 and 6 M HClCaCO3 and 6 M HC2H3O2 use table 5.19Video #12H2SO4 and Ba(OH)2 use table 5.25 and 5.26 Video #13HC2H3O2 and NH3 use table 5.24 Video #14 HCl and NaOH use table 5.22 CriteriaTitle - The first page of a new experiment should include the date, experiment name and number to clearly show the start of a new experiment.Objective - Three to four sentences introducing and explaining the purpose of the experiment to be performed. Be sure to include the experimental technique to be used and determination of unknowns, if applicable. This section should be written in your own words.Purpose - introducing and explaining the purpose of the experiment to be performed. Be sure to include the experimental technique to be used and determination of unknowns, if applicableReference procedure - It is recommended that you write out your procedures, in your own words, prior to the start of lab to help you understand the experiment better, organize your thoughts, and draw any data tables you will need.Safety - List the any additional safety precautions called for in the experiment; these are usually given in the lab manualWaste - List the any special waste handling procedures called for in the experiment; these are usually given in the lab manual.Results and Calculations - The results from your experiment are always entered in this section. Recall in the Objective that you asked the question, “what is being investigated in this experiment?”. This is the place to answer that question.Discussion - The discussion is used to explain your results; the previous section is used to present the results, this section is used to discuss these results. Ask yourself provocative questions such as: Do the results make sense, is there some data missing? Did you obtain a result different from your expectations?Conclusion - Restate the final results of your experiment in a concise and thorough manner. This section should be brief (one-paragraph).Questions - Give the answers to any questions appearing in the lab manual.
5 pages
20210210183904atm133 2021 Homework3
Show all calculations. Set up all equations with variable symbols/letters first, then substitute numbers to do the calcula ...
20210210183904atm133 2021 Homework3
Show all calculations. Set up all equations with variable symbols/letters first, then substitute numbers to do the calculations. Define in words each ...
Franklin Pierce College Nervous and Muscle Questions
use what ever you want to answer the following questions Question 1In the case study dealing with the cancer patient, some ...
Franklin Pierce College Nervous and Muscle Questions
use what ever you want to answer the following questions Question 1In the case study dealing with the cancer patient, some of the cancer medications cause cells to stop dividing. The reason why cells stop dividing is Group of answer choices
the cancer medications causes polymerization of the microtubules and prevent separation of the chromosomes
the cancer medications attach to the chromosomes and stop cell division
the cancer medications do not prevent cell mitosis
the cancer medications can cause diabetes which lead to the stoppage of cell division
Question 2In the nervous system case study, the patient is under cancer treatment and she is having problems with distal muscle contraction becauseGroup of answer choices
the delivery of the synaptic vesicles to the axon terminal takes longer
the action potential arriving at the axon terminal is weak and cannot cause a contractiondistal muscles are controlled locally and do not require any stimuli from the CNSdistal muscles require a strong action potential to contractQuestion 3In the nervous system case study, drugs interactions of the diabetes medications show that the combination of some of the medications Group of answer choices
can cause hypoglycemia
can inhibit DNA synthesis
can cause diabetes
do not cause any symptoms
bind to cancer cells and stop cancer from spreading
Question 4Explain briefly why evaluating the cancer patient using the deep tendon reflex is important. 5-7 sentence Question 5The sensation of pins and needles observed in the cancer patient is known as.
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Most Popular Content
Demonstrate Gravitational Forces on A Mass on An Incline Worksheet
1- About this module
in this module you will investigate the relationship between a mass on an incline and the gravitation ...
Demonstrate Gravitational Forces on A Mass on An Incline Worksheet
1- About this module
in this module you will investigate the relationship between a mass on an incline and the gravitational field. Students will also examine friction of a mass/inline interface. The student will:
Demonstrate gravitational forces on a mass on an incline.
Develop formulas describing the motion.
Investigate forces of friction on an incline.
2- Instructions on viewing demonstrations
When viewing the demonstrations, note the variables. Identify the random error one would encounter in performing the experiment. Look back at what you have learned so far and see what applies here.
Note: Later in your analysis, you will need to refer to these observations.
3- Incline demonstration
You have to watch the video about the physics lab experiment. The video is only thirty seconds long. (Just 30 seconds)
Also, I provided the link for this video to watch it, just click the link then download the video to watch it.
(Video)
https://we.tl/t-Op561tw64Z
4- Prediction instructions
After observing the video demonstration, make a prediction of the relationship between the angle of the incline and the acceleration of the rolling smart car. Keep your prediction handy. Submit it with your final upload. You can attach it to your final spreadsheet upload on a separate tab as a JPEG. Make your prediction in he form of a graph (just draw it on paper and take a picture).
Note: You will not be counted off by being wrong. We just want to see the predictions of our students before the lab. Full credit will be provided with inclusion.
5- Analysis instructions-3
The Excel file attached here contains velocity vs. time data for five angles. For each data set, you are to run a LINEST and determine the slope and the uncertainty in the slope (see previous instructions on LINEST in Excel analysis module). Note: Each data set is in the tab named for the angle that was used (6.0, 7.5, 9.0, 10.0, 10.4). You don't have to graph the velocity vs. time graphs for presentation. But, you should take a look at a quick graph to observe if there is a linear relationship. Run a LINEST on each data tab with velocity being dependent and time being independent. You will use these slopes for the "acceleration" tab.
According to a simple analysis of a smart car rolling down the incline, assuming friction is negligible, the equation for the acceleration is written as
ax=gsin?. Recall that the velocity as a function of time equation for constant acceleration (here we are assigning the x-direction as being along the inline plane) is written as vx=v0x+axt. Thus, the slope of each of your LINEST results is the constant acceleration for that particular angle.
1. On the next tab, which is called "acceleration", label column A as angle (cell A1), column B as sin?, and column C as acceleration (the slope of each of the velocity vs. time graphs for each angle. Do not include the uncertainty in this column input).
2. In column A, the angle is in degrees. But, we need radians. So in cell B2, type "=A2*(3.14/180)". Don't include the quotes of course. Copy the formula down. Here we just utilized the small angle approximation sin???.
3. Plot acceleration vs. angle and make a nice, formatted graph. Think back to your prediction and make a note of your recollections. Run a LINEST and determine the slope AND the uncertainty. Is this what you expected? Record the slope and the uncertainty along with its units clearly on the page. You can insert a textbox and type this into the textbox.
4. Take a moment and reflect on everything you have done up to this point. Make notes and ask the TA questions if you are not sure what you have done to this point. Save your file for a later upload. You will use the friction and summary tab later.
(I uploaded the excel file and has some data and you have to fill in the data and make what it says in all instructions).
6- Friction demonstration
You have to watch the video about the physics lab experiment. The video is only thirty five seconds long. (Just 35 seconds)
Also, I provided the link for this video to watch it, just click the link then download the video to watch it.
(video)
https://we.tl/t-eqw6rdXng1
7- Friction analysis instructions
After viewing the demonstrations of the incline, you will do a simple examination of friction at home.
1. Obtain a uniform inline plane (a clipboard with paper, a cardboard piece from a box,..). This is any surface with uniform conditions and shaped to where you can adjust the angle and take measurements from observations.
2. Obtain three (different) uniform objects (coins, blocks,...) with slightly different surfaces of "roughness". Take pictures of these objects and of your incline.
Open up your spreadsheet. Go now to the friction tab. You have three objects for which you are providing measurements to obtain the coefficient of static friction. I would use columns A, B, and C for object 1. E, F, and G for object 2, and so forth. Your measurements of height and base can be placed in the first two columns for each object section, and the value of the ratio (static friction) in the third row. When all of that is done, place the picture of that object on the incline underneath each data set. But, if you have a better way to organize, feel free!!
But, take the time to organize!
3. For each item, place at the top of your incline, start at zero angle, and then slowly raise until you (just) see it slip. Record this height (see below). Do this several times for each object to get an average height for best results. In the apreadsheet, you should, for scientific honesty and integrity, record all trials to obtain the average.
4. To determine the angle, use the right-triangle analysis (unless you have an angle indicator): tan?=heightbase. The "base" is a measure of the length of the incline (lay flat down and measure the length of the incline).
5. The coefficient of static friction is defined as:
?s=tan?. Therefore, find the ratio with the height and base to determine this (average) coefficient for each object on the same incline.
Start each object from the same place for consistency.
6. Clearly indicate what the average coefficient for each interface (object/incline) is on the spreadsheet. Indicate this in each object section of the spreadsheet or in a singular textbox with labels.
Note: For a smart car, it is rolling. But, you are still getting an idea of friction by doing this exercise.
8- Final instructions
Putting it all together, address the following questions in the summary portion of your spreadsheet:
1. List all random errors associated with the incline demonstration. If you were doing the experiment, minus anything to do with the software or embedded sensors in the smartcar, which random errors can you identify?
2. Do the same thing for your experiment with your own incline. List all random errors associated with your data collection. Make sure to list again what your average values are for each interface. Note: Mentioning the observed "roughness" for each object would help make sense of the numbers.
3. Based on your final value of the slope AND the uncertainty of the acceleration vs. angle analysis, which should be g, is the result reasonable taking into account all random error?
4. Following up on number 3, was it acceptable to neglect friction based on all of your results and observations? Explain.
2 pages
Discussion
Certain villages in India are very conservative and women are required to wear clothes that completely cover their entire ...
Discussion
Certain villages in India are very conservative and women are required to wear clothes that completely cover their entire body. Unfortunately these ...
6 pages
Distillation Experiment Final
Distillation is a physical process in which the components of a liquid mixture can be separated by taking advantage of the ...
Distillation Experiment Final
Distillation is a physical process in which the components of a liquid mixture can be separated by taking advantage of the difference in their boiling ...
CHEM 141 Cuyamaca College Electrical Conductivity of Substances Lab Report
I have attached a pdf file of lab manual - it has about 45 questions about the lab Read all of experiment 5 in the lab man ...
CHEM 141 Cuyamaca College Electrical Conductivity of Substances Lab Report
I have attached a pdf file of lab manual - it has about 45 questions about the lab Read all of experiment 5 in the lab manual. You will be be completing a modified version of this experiment using a series of fourteen videos created by Professor Judy George and filmed by Senior Lab Technician Lisa Oertling using an older version of the lab manual, so we will need to make some adjustments. During the lab period you will watch the following videos and record experimental observations about physical and chemical changes. As you complete the experiment you will answer the Procedure Questions in the lab manual. Conductivity YouTube Playlist (Links to an external site.)Video #1 Conductivity intro Video #2 DI, tap use table 5.9sucrose, add water use table 5.11NaCl(s) Video #3 NaCl with water use table 5.10 0.1 M HgCl2 use table 5.130.1 M HCl, 0.1 M NaOH use table 5.210.1 M NH3 use table 5.23Video #4 0.1 M NaCl use table 5.10methanol and add water use table 5.12Video #5glacial acetic acid and add water use table 5.140.1 M acetic acid use table 5.23Video #6, 7, and 8 KClO3 use table 5.15Video #9 xylene, HCl in xylene, add water use tables 5.16 and 5.17For the conductivity of 6M HCl and 6M NaOH i.e. table 5.18, please refer back to video #3Video #10 Zn and 6M HClZn and 6 M HC2H3O2 use table 5.20 Video #11 CaCO3 and 6 M HClCaCO3 and 6 M HC2H3O2 use table 5.19Video #12H2SO4 and Ba(OH)2 use table 5.25 and 5.26 Video #13HC2H3O2 and NH3 use table 5.24 Video #14 HCl and NaOH use table 5.22 CriteriaTitle - The first page of a new experiment should include the date, experiment name and number to clearly show the start of a new experiment.Objective - Three to four sentences introducing and explaining the purpose of the experiment to be performed. Be sure to include the experimental technique to be used and determination of unknowns, if applicable. This section should be written in your own words.Purpose - introducing and explaining the purpose of the experiment to be performed. Be sure to include the experimental technique to be used and determination of unknowns, if applicableReference procedure - It is recommended that you write out your procedures, in your own words, prior to the start of lab to help you understand the experiment better, organize your thoughts, and draw any data tables you will need.Safety - List the any additional safety precautions called for in the experiment; these are usually given in the lab manualWaste - List the any special waste handling procedures called for in the experiment; these are usually given in the lab manual.Results and Calculations - The results from your experiment are always entered in this section. Recall in the Objective that you asked the question, “what is being investigated in this experiment?”. This is the place to answer that question.Discussion - The discussion is used to explain your results; the previous section is used to present the results, this section is used to discuss these results. Ask yourself provocative questions such as: Do the results make sense, is there some data missing? Did you obtain a result different from your expectations?Conclusion - Restate the final results of your experiment in a concise and thorough manner. This section should be brief (one-paragraph).Questions - Give the answers to any questions appearing in the lab manual.
5 pages
20210210183904atm133 2021 Homework3
Show all calculations. Set up all equations with variable symbols/letters first, then substitute numbers to do the calcula ...
20210210183904atm133 2021 Homework3
Show all calculations. Set up all equations with variable symbols/letters first, then substitute numbers to do the calculations. Define in words each ...
Franklin Pierce College Nervous and Muscle Questions
use what ever you want to answer the following questions Question 1In the case study dealing with the cancer patient, some ...
Franklin Pierce College Nervous and Muscle Questions
use what ever you want to answer the following questions Question 1In the case study dealing with the cancer patient, some of the cancer medications cause cells to stop dividing. The reason why cells stop dividing is Group of answer choices
the cancer medications causes polymerization of the microtubules and prevent separation of the chromosomes
the cancer medications attach to the chromosomes and stop cell division
the cancer medications do not prevent cell mitosis
the cancer medications can cause diabetes which lead to the stoppage of cell division
Question 2In the nervous system case study, the patient is under cancer treatment and she is having problems with distal muscle contraction becauseGroup of answer choices
the delivery of the synaptic vesicles to the axon terminal takes longer
the action potential arriving at the axon terminal is weak and cannot cause a contractiondistal muscles are controlled locally and do not require any stimuli from the CNSdistal muscles require a strong action potential to contractQuestion 3In the nervous system case study, drugs interactions of the diabetes medications show that the combination of some of the medications Group of answer choices
can cause hypoglycemia
can inhibit DNA synthesis
can cause diabetes
do not cause any symptoms
bind to cancer cells and stop cancer from spreading
Question 4Explain briefly why evaluating the cancer patient using the deep tendon reflex is important. 5-7 sentence Question 5The sensation of pins and needles observed in the cancer patient is known as.
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