The hydrostatic force on one side of the gate is 392 x 10³ N.
What is a hydrostatic force?
The force that results when a liquid under pressure acts on surfaces that are submerged is known as a hydrostatic force. Fundamental concepts in fluid mechanics include the calculation of the hydrostatic force and the location of the center of pressure.
Area of trapezoid =[(2 + 38) / 2 ] x 2 = 40 sq m .
Pressure at the centre of the trapezium
h d g = 1 x 10³ x 9.8 N / m² ( height of centre is 1 m ) = 9800 N /m²
Total force required = pressure at the centre x total area
9800 x 40 = 392 x 10³ N.
Therefore, the hydrostatic force on one side of the gate is 392 x 10³ N.
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An approach that based on key experience
Answer: Constructivism
Explanation:
After reading the information in chapter 8 and reviewing the videos on Ronald
Cotton Video 1 and Ronald Cotton Video 2, briefly describe the process (stages) of memory/remembering and then describe how interference, distortion, and distortion/error can alter memories, particularly the memory of an eyewitness to a crime or traumatic event. Do you believe eyewitness accounts of events are accurate enough to used in court cases? Why or why not?
The process of memory/remembering typically involves the following stages:
Encoding: The process of taking in information through the senses and transforming it into a form that can be stored in memory. Storage: The process of maintaining information in memory over time. Retrieval: The process of accessing stored information and bringing it back into conscious awareness.Interference, distortion, and error can alter memories in a number of ways. For example:
Retroactive interference occurs when new information makes it difficult to recall previously learned information. Proactive interference occurs when previously learned information interferes with the recall of new information. The misinformation effect occurs when new information, often from misleading sources, changes or distorts previously held memories.What is the memory about?With regards to eyewitness accounts of events, research has shown that they can be inaccurate due to factors such as stress, the presence of weapons, and the amount of time elapsed between the event and the testimony. Eyewitness accounts can also be influenced by leading questions, the expectations of others, and the individual's own biases and beliefs.
Given these limitations, eyewitness accounts should be used with caution in court cases. While they can provide valuable information, they should be considered along with other forms of evidence and carefully evaluated for accuracy and reliability. Additionally, in some cases, expert testimony on the limitations and fallibilities of eyewitness accounts may be necessary in order to ensure that juries understand the potential limitations of eyewitness testimony.
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Professors are____ required to maintain a certain number ___ office hours per week to ____students , says Alice Lanning, who ___ a freshman-year experience class, also_______ Oklahoma. The ______ is when "students don't take advantage of these office hours _______ the end of the ___ and the grades ____ scary." Her advice? ______ each at least once during the ______ month of school "Ansk what the professor _______ and how to get the most out of ________." Lanning says. That's _____ critical because you'll have fewer exams ____ graded papers than in high school, so rebounding from a ______ grade is ________.
Answer: Professors are "required to maintain a certain number of office hours per week to meet students," says Alice Lanning, who teaches a freshman-year experience class, also at Oklahoma. The problem is when "students don't take advantage of these office hours until the end of the semester and the grades get scary." Her advice? "Visit each professor at least once during the first month of school, ask what the professor covers and how to get the most out of the class." Lanning says. That's particularly critical because you'll have fewer exams and graded papers than in high school, so rebounding from a low grade is harder.
Professors are necessarily required to maintain a certain number of office hours per week to teach students, says Alice Lanning, who teaches a freshman-year experience class, also at Oklahoma.
What is the responsibility of a professor?The responsibilities of a professor are deemed by the fact that they correspondingly work for universities as lecturers and researchers. A typical day for a professor includes teaching classes to graduate and undergraduate students.
They're expected to publish academic papers in peer-reviewed journals. They hold office hours to assist students who have difficulties with their courses.
The problem is when "students don't take advantage of these office hours until the end of the semester and the grades get scary." Her advice? "visit each professor at least once during the first month of school, ask what the professor covers and how to get the most out of the class." Lanning says.
That's particularly critical because you'll have fewer exams and graded papers than in high school, so rebounding from a low grade is harder.
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Write an introductory speech where you use 3 props to describe your past, present, and future.
A sample introductory speech about myself is given below:
The Introductory SpeechGood morning everyone, I am honored to be speaking to you today. To help illustrate my journey so far, I have brought along three props that represent my past, present, and future.
First, I have a childhood photo of myself. This represents my past and the foundation that has shaped who I am today. Growing up, I was curious, adventurous, and eager to learn about the world around me. I still carry those traits with me today.
Next, I have my laptop which represents my present. It symbolizes my passion for technology and how I use it to make a difference in the world. I am currently working as a software engineer, using my skills to develop innovative solutions that improve people's lives.
Finally, I have a dream journal that represents my future. In it, I write down my aspirations and the steps I am taking to achieve them. My goal is to use my experiences and skills to make a positive impact on the world and inspire others to do the same.
Thank you for allowing me to share my journey with you. I look forward to our time together and the opportunities it brings.
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One-eight of a radioactive isotope remains in an object after about 3,000 years. What is the half-life of that isotope?
The half life is 1000 years.
What is the half life?Half-life is the time it takes for half of the radioactive atoms in a sample to decay. In other words, if you have a sample of a radioactive substance, after one half-life, half of the atoms will have decayed and half will remain. Each subsequent half-life will result in half of the remaining atoms decaying, until there are no longer any radioactive atoms left.
We know that we have the formula;
N/No = (1/2)^t/t1/2
N = Mass at time t
No = initial mass
t = time taken
t1/2 = half life
We have that;
1/8 = (1/2)^3000/t1/2
2^-3 = (2^-1)^3000/t1/2
2^-3 =2^-3000/t1/2
-3 = -3000/t1/2
t1/2 = 1000 years
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type taken into consideration while designing 2. What are the principles research questionnaires? 3. Write the prons and cons of Questionnaires? 4. What by Research design means? 5. Write the type of sampling technique used in research? 6. Write Assumptions or rationales for survey method in doing research activity 7. Write the importance in sampling? 8. Characteristics of Good Sample Size 9. What is census means in research method of data collection?
Answer: 1. Factors taken into consideration while designing research questionnaires include the purpose of the research, target population, type of questions to be included, and the format of the questionnaire.
2. The principles of research questionnaires are reliability, validity, and objectivity. Reliability refers to the consistency and stability of the results, validity refers to the accuracy of the results, and objectivity refers to the absence of bias in the results.
3. Pros of questionnaires include the ability to reach a large number of people, the ability to gather standardized data, and the ability to analyze data easily. Cons include the potential for bias in responses, the difficulty in verifying responses, and the potential for low response rates.
4. Research design refers to the overall plan or strategy for conducting a study, including the type of data collection methods, sample size, and methods of analysis.
5.Types of sampling techniques used in research include random sampling, stratified sampling, and cluster sampling.
6. The rationales for the survey method in doing research activity include the ability to gather data from a large number of people, the ability to gather standardized data, and the ability to analyze data easily.
7. The importance of sampling is that it allows researchers to gather data from a representative sample of the population, rather than from the entire population. This saves time and resources and also helps to reduce bias in the results.
8. Characteristics of a good sample size include being representative of the population, being large enough to provide accurate results, and being drawn using a random sampling method.
9. Census in research method of data collection refers to collecting data from every member of the population. It is a comprehensive and detailed method of data collection, but it can also be time-consuming and expensive.
Fill in the blanks
1) The process of people becoming more alike or places becoming more alike is called _?
2) The _ is the main means of contemporary diffusion of cultural trends.
Answer:
The process of people becoming more alike or places becoming more alike is called homogenization.The media is the main means of contemporary diffusion of cultural trends.AP U.S. government
When is it rational for the Supreme Court to uphold conscientious objection to military service
The reasons a man chooses not to fight in a conflict must not be motivated by politics, convenience, or self-interest.
Describe the Supreme Court.The United States' highest court, the Supreme Court, has jurisdiction over any disputes arising under the Constitution or other laws of the country. The nine justices of the Supreme Court continue to serve as the last arbiters of the law, and the American people are assured of equal justice in the eyes of the law. The court serves as the Constitution's protector and interpreter.
The US Constitution established the Supreme Court. The Supreme Court is composed of the Chief Justice of the United States advanced placement of which is impossible.
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Examine the production possibilities curve for Microville below.
(a) Does this production possibilities curve represent constant opportunities or increasing opportunity cost? Explain.
(b) Microville decided to produce 10 boats, what is their opportunity cost? Explain.
(c) Explain what would have to happen for Microville to be able to produce 15 boats and 15 cars.
(d) Assume there is another country called Macroville. If they use all of their resources they can either produce a maximum or 20 boats or 30 cars. Which country between Macroville and Microville has an absolute advantage in producing boats? Explain.
(e) Assume there is another country called Macroville. If they use all of their resources they can either
produce a maximum or 20 boats or 30 cars. If both countries were to specialize in producing either
boats or cars, which good would each country produce? Explain.
Answer:
Out of all possible outcomes, it would most likely answer "d" as other options do not seem to match as well as answer D.
Explanation:
Below are the answers to some of these questions.
(a) The production possibilities curve for Microville represents increasing opportunity cost. This is because as more of one good is produced, the opportunity cost of producing another unit of that good increases. For example, if Microville produces more boats, the opportunity cost of producing another boat increases because they have to give up more cars to produce another boat.
(b) If Microville decided to produce 10 boats, their opportunity cost would be 10 cars. This is because for every boat they produce, they have to give up one car. Therefore, the opportunity cost of producing 10 boats is 10 cars.
(c) In order for Microville to be able to produce 15 boats and 15 cars, they would need to increase their production possibilities. This could be done through an increase in resources, such as labor or capital, or through technological advancements that increase productivity.
(d) Macroville has an absolute advantage in producing boats because they can produce a maximum of 20 boats while Microville can only produce a maximum of 15 boats. Absolute advantage is the ability to produce more of a good or service than another producer using the same amount of resources.
(e) If both countries were to specialize in producing either boats or cars, Microville should specialize in producing cars and Macroville should specialize in producing boats. This is because Microville has a comparative advantage in producing cars, as they can produce cars at a lower opportunity cost than Macroville. Similarly, Macroville has a comparative advantage in producing boats, as they can produce boats at a lower opportunity cost than Microville. By specializing in the good they have a comparative advantage in, both countries can produce more of that good and trade with each other to increase their overall production and consumption.
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Raley and Jordan were in a room working together. There was a huge chocolate bar, that their mom left. By the time they both came back, it was gone. Raley claims that Jordan ate it because he went to the bathroom first. Jordan claims that Raley ate it because she was trying to frame him. Who is lying?
Jordan has learned to hit the machine because she has seen other people hit vending machines when their money is eaten.
Who is a behaviorist?A behaviorist is a person who studies people's behavior and attitudes under different conditions. The act of hitting and kicking the vending machine when it does not vend is a behavior due to rage.
Since Jordan just lost his money to the vending machine, he's mad at it and he has seen other people hit vending machines too.a behaviorist will conclude that Jordan has learned to hit the machine.
Therefore, Jordan has learned to hit the machine because she has seen other people hit vending machines when their money is eaten.
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After reading chapter 9, compare and contract the four parenting styles and describe the kinds of childhood outcomes we can expect with each. Which parenting style would you (or do you) use with your children? Why?
The parenting style which I would use for my children would be "authoritative parenting"
What is Authoritative Parenting?
Authoritative parenting is characterized by a balance of warmth, supportiveness, and structure. Parents who use this style set clear boundaries and expectations, but are also responsive to their child's needs and emotions.
They encourage their child's independence while still providing guidance and support. This style of parenting has been shown to result in children who are self-confident, self-reliant, and have good social skills.
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Question 5 of 40 0On the ACT math section, you will need to: (O A. use basic formulas and computational skills. (O B. understand statistics. (O C. beableto find correct answers without a calculator. O D. have an understanding of college-level math skills.
Answer:vhhvv
Explanation:
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