What is the Schwarzschild radius?
a measurement of how quickly black holes accrete objects based on the objects’ radii
a measurement of how long a black hole’s quasar extends into the universe
a measurement of how small a celestial body’s radius would have to be in order to become a black hole
the point at which the radius of a black hole lends to its classification as a supermassive black hole
Answers
Answer:
a black hole of a kind supposed to result from the complete gravitational collapse of an electrically neutral and non-rotating body, having a physical singularity at the centre to which infalling matter inevitably proceeds and at which the curvature of space–time is infinite. A Schwarzschild radius is the radius of the boundary of a hole of this type.
Schwarzschild radius is the point at which the radius of a black hole lends to its classification as a supermassive black hole.
The Schwarzschild radius is a term used to describe the smallest possible radius of a celestial object that can turn into a black hole. It is the radius at which the escape speed of an object exceeds the speed of light. It was named after Karl Schwarzschild, a German astronomer who first proposed the concept of a black hole.
The Schwarzschild radius of an object can be calculated using the following formula:
Rs = 2GM/c²
Where Rs is the Schwarzschild radius, G is the gravitational constant, M is the mass of the object, and c is the speed of light.
The Schwarzschild radius is a critical concept in the study of black holes, as it provides a measure of the minimum size that a celestial body needs to be in order to become a black hole. If an object’s radius is less than its Schwarzschild radius, it is said to have a black hole horizon and is considered a black hole.
The Schwarzschild radius is also used to describe the event horizon of a black hole, which is the boundary beyond which nothing can escape the gravitational pull of the black hole. The event horizon of a black hole is located at a distance of 2Rs from the center of the black hole.
In summary, the Schwarzschild radius is a measurement of how small a celestial body’s radius would have to be in order to become a black hole. It is a critical concept in the study of black holes, as it provides a measure of the minimum size that a celestial body needs to be in order to become a black hole.
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Related Questions
Develop an argument that explains how the balance of power between state governments and the federal
government has been maintained over the years.
Use at least one piece of evidence from one of the following foundational documents or SCOTUS cases:
Federalist No. 51
McCulloch v Maryland
The Supremacy Clause of the U.S. Constitution
In your response, you should do the following:
§ Respond to the prompt with a defensible claim or thesis that establishes a line of reasoning.
§ Support your claim with at least TWO pieces of specific and relevant evidence
One piece of evidence must come from one of the foundational documents listed above.
A second piece of evidence can come from any other foundational document not used as your first piece of evidence, or it may be from your knowledge of course concepts § Use reasoning to explain why your evidence supports your claim or thesis.
§ Respond to an opposing or alternate perspective using refutation, concession, or rebuttal.
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Answers
Answer:huh
Explanation:
What is the rate of change of the radius to the thousandths?
Answers
Area of a Circle Formula:
\(\displaystyle A = \pi r^2\)
Differentiation
DerivativesDerivative NotationDerivative Property [Multiplied Constant]:
\(\displaystyle (cu)' = cu'\)
Derivative Rule [Basic Power Rule]:
f(x) = cxⁿf’(x) = c·nxⁿ⁻¹Derivative Rule [Chain Rule]:
\(\displaystyle [u(v)]' = u'(v)v'\)
Let's organize what the problem gives us.
We are told that the area of a circle is decreasing at 122 in²/min.
⇒ \(\displaystyle \frac{dA}{dt} = -122 \frac{\text{in}^2}{\text{min}}\)
We are also told an instantaneous point: the area of the circle is 16π in².
We are asked to find the rate of change of the radius.
Step 2: WorkLet's first differentiate our area of a circle formula with respect to time. Apply basic differentiation rules listed above under "Calculus":
\(\displaystyle\begin{aligned}\frac{d}{dt}[A] & = \frac{d}{dt}[\pi r^2] \\\frac{dA}{dt} & = \pi \frac{d}{dt}[r^2] \\\frac{dA}{dt} & = 2 \pi r \frac{dr}{dt} \\\end{aligned}\)
∴ we have found the relationship between the change in area and the change in radius w/ respect to time.
Now we need to determine what the radius is when the area of the circle is equal to 16π in²:
\(\displaystyle\begin{aligned}16 \pi \ \text{in}^2 & = \pi r^2 \\r^2 & = 16 \ \text{in}^2 \\r & = \boxed{ \pm 4 \ \text{in} } \\\end{aligned}\)
∴ the radius of the circle when the area is equal to 4 in, since the radius of the circle can't be negative.
With all of our variables, we can now substitute them into our derivative and solve for the rate of change of the radius:
\(\displaystyle \frac{dA}{dt} = 2 \pi r \frac{dr}{dt} \Rightarrow -122 = 2 \pi (4) \frac{dr}{dt}\)
\(\displaystyle\begin{aligned}\frac{-122 \frac{\text{in}^2}{\text{min}}}{2 \pi (4 \text{in})} & = \frac{dr}{dt} \\\frac{dr}{dt} & = \frac{-122 \frac{\text{in}^2}{\text{min}}}{8 \pi \ \text{in}} \\& = -4.8542257643 \frac{\text{in}}{\text{min}} \\& \approx \boxed{ -4.854 \frac{\text{in}}{\text{min}} } \\\end{aligned}\)
∴ the rate of change of the radius is equal to -4.854 inches per minute rounded to the thousandths place. Reworded, the rate of change of the radius decreases by 4.854 inches per minute.
Answer∴ at the instant when the area of the circle is 16π square inches, the change of the radius is equal to:
\(\displaystyle \boxed{ \frac{dr}{dt} \approx -4.854 \frac{\text{in}}{\text{min}} }\)
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Topic: Calculus I
Unit: Differentiation (Related Rates)
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Research the path that food takes as it travels the digestive system. Take notes in your lab journal on what occurs at each of the major parts / organs involved. Be sure to also include notes on the accessory organs that are involved with digestion.
Answers
Answer: The GI tract is the pathway food takes from your mouth, through the esophagus, stomach, small and large intestine. In the GI tract, nutrients and water from foods are absorbed to help keep your body healthy. Whatever isn't absorbed keeps moving through your GI tract until you get rid of it by using the bathroom.
Explanation:
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the market for yam is in equilibrium ,show how the following events will affect the market. 1. Research has shown that eating more yam cut the risk of cardiovascular diseases. 2. there is an increase in the cost of fertilizer
Answers
Answer:
Scenario 1 ⇒ Demand for yam will increase.
If people found out that eating yams reduced the risk of them getting cardiovascular diseases, they would demand more of it so they can benefit from this reduced risk.
This will lead to a rise in price because the Demand curve will shift to the right and intersect with the Supply curve at a higher equilibrium price.
Scenario 2 ⇒ Supply of yam will decrease.
With the cost of fertilizer increasing, farmers of yam will have to incur more cost to be able to produce yams. They will therefore reduce their production levels so that they incur less cost thereby decreasing supply.
This decrease in production levels will lead to a rise in price because the supply curve will shift to the left and intersect with the Demand curve at a higher equilibrium price.
Your friend says, "I have some extra money, but I'm not sure if I should save or invest it." What key questions should you ask your friend to help him/her figure out what to do?
Answers
If your friend is trying to decide whether to save or invest extra money, there are several key questions you can ask to help him/her make a decision:
What are your financial goals? - Understanding your friend's financial goals can help determine if they need to prioritize saving or investing to achieve those goalsWhat is your risk tolerance? - Investing involves risk, and it's important to understand your friend's comfort level.What is an investment?Investment is the commitment of money to the acquisition of an asset with the goal of increasing its value over time. Investing necessitates the sacrifice of a current item, such as time, money, or effort.
The goal of investing in finance is to earn a return on the invested asset.
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To figure out what type of tests you are best at, you should a. Ask your teacher for their professional opinion c. Ask more questions in class b. Write down your test grades after each test and compare them d. Create study guides that reflect any type of question that might be on a test Please select the best answer from the choices provided A B C D Mark this and return
Answers
Hello There! I'm pretty sure the answer you are looking for is:
B. " Write down your test grades after each test and compare them"
Have a good day! :D
2
AJ is buying a new car and chooses to pay $250 for upgraded floor mats
because he is already spending $24,000; the $250 is only about 1 percent of the
purchase price. This describes an example of
O relative value because hels comparing the value of the floor mats relative to the value
of the car.
the unseen alternatives of his decision, such as saving money or paying for college.
the best way AJ can spend his money because he is thinking of everything he could do
with his money.
taking into account the opportunity costs of buying the car and making the best
choice.
Answers
The information provided best describes an example of: relative value because he is comparing the value of the floor mats relative to the value of the car.
What is an opportunity cost?An opportunity cost is also referred to as alternative forgone and it can be defined as the value, profit or benefits that are given up and forfeited by an individual or business firm, in order to choose or acquire something that is deemed most significant over other available choices, at a particular point in time.
In this scenario, we can infer and logically deduce that the information provided best describes an example of relative value because AJ is comparing the value of the floor mats which cost $250, relative (with respect) to the value of the car, which cost $24,000.
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Estuary provides refuge after dam removal for bull trout
Bull trout use a bewildering array of strategies to aid in their survival, from remaining in streams their whole lives, like rainbow trout, to spending part of their lives in the ocean before returning to
streams to spawn, just as salmon do.
Bull trout are present in only one of two neighboring rivers in the Olympic peninsula, Washington state, and in this one (the Elwha River), where two large dams were removed. Dam removal resulted
in massive outflow of sediments, reducing the clarity of the water and also building up a large delta and expanding the size of the estuary at the mouth of the Elwha River.
Sampling for bull trout before, during, and after dam removal was used to detect whether bull trout changed their use of the Elwha River estuary or moved into the adjacent Salt Creek stream where
they were formerly absent. Sampling revealed no movement into Salt Creek, but numbers of bull trout in the Elwha River estuary increased greatly during and immediately after dam removal,
coinciding with large sediment outflow, before returning to their original low levels. Thus, bull trout appear to have used the enlarged estuary as a refuge from the effects of dam removal, then
returning to the river when the river water cleared up from the sediment
Of additional interest is the long-term response of bull trout to the additional habitat opened up above the former dams.
Lincoln, A. E. J. A. Shaffer, and T. P. Quinn. 2018. Opportunistic use of estuarine habitat by juvenile ENI Trout, Salvelinus confluentus, from the Elwha River before, during, and after dam removal.
Environmental Biology of Fishes 101:1559-1569
Which of the following best identifies the author's claim?
Answers
Answer:
Bull trout are unable to live in high sediment loaded waters and migrated to avoid the conditions introduced during dam deconstruction.
The option that identifies the author's claim is that D. Bull trout are unable to live in high sediment loaded waters and migrated to avoid the conditions introduced during dam deconstruction.
The claim of a passage is the idea that's conveyed by the author to the readers or audience. It's simply what the author wants the people to know.
From the passage, the claim is that bull trout are unable to live in high sediment loaded waters and migrated to avoid the conditions introduced during dam deconstruction.
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On any given test, there is a 41% chance that a student will get a B or better. A teacher randomly selects tests until there is a B or better. Assume the selections are independent. What is the probability that it will take exactly 4 selections to get a B or better? What is the probability that it will take more than 3 selections to get a B or better?
Answers
Explanation:
Probability of exactly 4 selections
= (100% - 41%)³(41%) = 8.42%.
Probabiluty of more than 3 selections
= (100% - 41%)³ = 20.54%.
Randall is a food handler at a deli. It is 7:47 a. M. , and he has just woken up. He is scheduled to be at work and ready to go by 8:00 a. M. When he gets out of bed, his stomach feels queasy. He blames that on the beer he had the night before. Fortunately, Randall lives only five minutes from work. Despite this, he doesn't have enough time to take a shower. He grabs the same uniform he wore the day before when prepping chicken. He also puts on his watch and several rings. Randall does not have luck on his side today. On the way to the deli, his oil light comes on. He is forced to pull off the road and add oil to his car. When he gets to work, he realizes that he has left his hat at home. Randall is greeted by an angry manager. The manager puts Randall to work right away, loading the rotisserie with raw chicken. Randall then moves to serving a customer who orders a freshly made salad. Randall is known for his salads and makes the salad to the customer's approval. The manager asks Randall to take out the garbage and then make potato salad for the lunch-hour rush. On the way back from the garbage run, Randall tells the manager that his stomach is bothering him. The manager, thinking of his staff shortage, asks Randall to stick it out as long as he can. Randall agrees and gets out the ingredients for the potato salad. Then he heads to the restroom in hope of relieving his symptoms. After quickly rinsing his hands in the restroom, he finds that the paper towels have run out. Short of time, he wipes his hands on his apron. The manager tells Randall to clean the few tables in the deli that are available for customers. When finished, Randall grabs a piece of chicken from the rotisserie for a snack. He takes the chicken with him to the prep area, so he can get back to making the potato salad.
1. What did Randall and his manager do wrong?
Answers
Randall and his manager both acted unprofessionally in several ways. Randall did not have enough time to shower before work and showed up wearing the same uniform he wore the day before. This is a health violation and can lead to food contamination, putting customers at risk
. He also put on multiple rings and a watch, both of which can also be potential sources of contamination. Randall also forgot his hat, a requirement for food handlers in many areas.
When Randall's stomach started bothering him, the manager should have let him go home instead of asking him to stick it out and keep working. The manager also allowed Randall to snack on raw chicken from the rotisserie. This is another health violation as food handlers should not consume any food items in the workplace. Furthermore, the manager should have taken care of the lack of paper towels in the restroom, as this is essential for proper hand hygiene. Overall, Randall and his manager both acted unprofessionally and made several health violations. Randall should have arrived to work properly groomed, and the manager should have taken necessary precautions to ensure the safety of their customers.
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Given:
var vehicles = ["boat", "car", "bus"]
Which of the following would turn vehicles into ["boat", "car", "bus", "plane"]?
appendItem(vehicles, "plane");
insertItem(vehicles, 2, "plane");
removeItem(vehicles, 0);
insertItem(vehicles, 1, "plane");
Answers
Answer:
appendItem(vehicles, "plane");
Explanation:
1. appendItem(list, "item") adds the "item" at the end of the list. In the case of appendItem(vehicles, "plane");, it adds "plane" at the end of the vehicles array.
appendItem(vehicles, "plane");
vehicles = ["boat", "car", "bus", "plane"]
2. insertItem(list, index, "item") adds the "item" at the specified index in the list. In the case of insertItem(vehicles, 2, "plane");, it adds "plane" to the second index of vehicles, moving all of the items to the right of "plane" one index higher.
insertItem(vehicles, 2, "plane");
vehicles = ["boat", "car", "plane", "bus"]
Note: it looks like the language you're using here is JavaScript, which uses a 0-based index. This means that, unlike languages that use 1-based index, it sets the first item to an index of 0 instead of 1. So in JS, an item with an index of 0 is the 1st item in an array, an index of 2 is the 3rd item in an array, etc. Pseudocode uses a 1-based index, and JS uses a 0-based index, so don't get confused with which language uses what index base! Therefore, vehicles would get vehiles ← ["boat", "plane", "car", "bus"] in pseudocode.
3. removeItem(list, index) wouldn't add anything to the array, but rather get rid of an item at the specified index, so this is definitely not helpful in adding "plane".
removeItem(vehicles, 0);
vehicles = ["car", "bus"]
4. insertItem(vehicles, 1, "plane")
vehicles = ["boat", "plane", "car", "bus"]
A. Using information in the graph shown, compare the data trend from 1960 to 2015 for sub-Saharan Africa to the trend shown for Europe.
B. Using the data for ONE of the regions shown in the graph, explain why the trend may have an effect on the number of farms in developing countries.
C. Explain the degree to which the changes in grain yields may affect rural populations in countries in stage 4 of the demographic transition
D. Explain ONE limitation of the data in describing food insecurity at a regional scale.
Answers
Answer:
A. From the information given in the graph, we have;
The grain yield in pounds per acre for Europe in 1960 is approximately 1,600 Pounds per Acre
The grain yield in pounds per acre for Europe in 2015 is approximately 5,100 Pounds per Acre
The rate of change of grain yield in Europe ≈ (5,100 - 1,600)/(2015 - 1960) = 63.\(\overline{63}\) Pounds per Acre per year
The grain yield in pounds per acre for Sub-Saharan Africa in 1960 is approximately 800 Pounds per Acre
The grain yield in pounds per for Sub-Saharan Africa 2015 is approximately 1,250 Pounds per Acre
The rate of change in grain yield in Sub-Saharan Africa ≈ (1,250 - 800)/(2015 - 1960) = 8.\(\overline{18}\) Pounds per Acre per year
Therefore, the grain yield per acre per year in Europe is increasing approximately 8 times the increase in Sub-Saharan Africa
B. Given that the rate of increase in the pounds of grain per Acre per year in Europe is progressively increasing above the average rate of world rate, the market for the grains produced in Europe will be partly the developing countries, thereby reducing the number of farms found in developing countries
C. In stage 4 demographic transition the population growth is stabilizing and therefore where there is an increase in grain yields, there will be an increase in farming and economic activity and a reduction in population growth
Where there is a decrease in grain yield, there will be an increase in activities to restore supply and therefore, a reduction in population
D. One limitation of the data in describing food security at a regional scale is the information required on the population figures in a given region involved in grain farming
Explanation:
Answer: According to the graph, the grain yield in Europe is approx. 1600 (PPA) compared to the 2015 grain yield of 5100 (PPA), which would create an annual grain yield change of 63.6 pounds yearly. For Sub-Saharan Africa, the 1960's grain yield is 800 (PPA) compared to the modern 2015 grain yield of 1250 (PPA) which would create an annual grain yield change of 8.1 pounds yearly. Due to the data stating that the PPA rate of Europe is steadily increasing above the global rate, the agricultural (produce) market for European grain would be saturated with an unnecessary amount of produce, resulting in the reduction of the number of farms found in developing countries. In the demographical transition to stage 4, population growth is stabilizing and an increase in both farming and economic activity paired with a reduction in population growth will also see an increase in grain yields. One limitation of the data in terms of describing regional food insecurity at a regional scale is the lack of population data (growth and decline) to provide more accurate information/data on a region involved in agricultural farming.
Human body cells have a 0.15M NaCl concentration. Calculate the SOLUTE potential for body cells knowing body temperature is 370 C. Show all work!!!
Answers
The solute potential for the body cells is 7.73 bars.
What is solute potential?The solute potential is given by Ψ = iCRT where
i = ionization constant, C = concentration, R = pressure constant and T = kelvin temperatureHow to calculate the solute potential?Given that Human body cells have a 0.15M NaCl concentration and the body cells knowing body temperature is 37 °C.
We have that
i = 2 (since there two ions)C = 0.15 MR = 0.0831 Lbar/mol-KT = 37 °C = 273 + 37 = 310 KSo, substituting the values of the variables in to the equation, we have
Ψ = iCRT
Ψ = 2 × 0.15 M × 0.0831 Lbar/mol-K × 310 K
Ψ = 7.7283 bars
Ψ ≅ 7.73 bars
So, the solute potential for the body cells is 7.73 bars.
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Read the quote.
I am Dekanawidah [identified as the traditional founder of the Iroquois Confederacy] and with the Five Nations confederate [united for a common purpose] lords I plant the Tree of the Great Peace. . . . Under the shade of this Tree of the Great Peace we spread the soft white feathery down of the globe thistle as seats for you Adodarhoh [an Onondaga chief], and your cousin lords. . . . There shall you sit and watch the council fire of the confederacy of the Five Nations, and all the affairs of the Five Nations shall be transacted at this place before you. . . .
We place at the top of the Tree of the Long Leaves an eagle who is able to see afar. If he sees in the distance any evil approaching or any danger threatening he will at once warn the people of the confederacy. The smoke of the confederate council fire shall ever ascend and pierce the sky so that other nations who may be allies may see the council fire of the Great Peace . . .
—Iroquois Constitution
Based on this excerpt, what was the purpose of the Iroquois League?
A.
to maintain an ever-burning fire as a symbol of unity
B.
to work together and defend each other to keep peace
C.
to establish laws that all American Indian nations were to follow
D.
to provide comfort and care for visiting tribal leaders
Answers
Answer:
I might be wrong love but i think it's A i'm sorry if i'm wrong its a bit hard to tell if it is but i hope this helps and please tell me if i'm wrong <3
Explanation:
Explain how top-down processing and bottom-up processing are related to sensation and perception.
Answers
Answer: top down processing is when you expect something and you perceive it the way you expected. bottom up processing is when you sense something without expectation, solely off of senses. your perception of an event it based on what you expect and what you sense
Explanation:
what is the significance of children's emotional bonds with their parents?
Answers
Answer:
Children's emotional bonds with their parents have significant implications for their social, emotional, and cognitive development. Research has shown that strong emotional bonds with parents help children to feel secure and develop a sense of trust in their environment. Children who have positive relationships with their parents tend to be more confident, empathetic, and better able to regulate their emotions. Additionally, these emotional bonds can serve as a buffer during times of stress or adversity, helping children to cope more effectively. On the other hand, children who have insecure attachments to their parents may struggle with emotional regulation, have difficulty forming healthy relationships, and experience a range of negative outcomes later in life. Therefore, the quality of the emotional bonds children have with their parents is a critical factor in their overall development and well-being.
describe one historical development illustrated by the passage. describe sotomayors argument regarding women’s education
Answers
The historical development illustrated by the passage and Sotomayor's argument regarding women’s education was that:
The social components of the passage are one historical development since women cannot study or perform tasks as well as males. "The actual reason that women are not learned is not a lack of brain, but rather a lack of study," the paragraph states. The goal of this argument is to demonstrate that men think women are not capable of or deserving of learning new things.What was Sotomayor's point in speaking?Sotomayor's point when she spoke was to inform students of the requirements to become a judge in the present era, to persuade listeners that it is crucial to have more diverse judges, to delight the audience with tales of her upbringing.
Therefore, By setting a tone of uncertainty, Sotomayor is encouraging the audience to pose their own queries. To help the audience better understand the questions, Sotomayor creates a system of repetition.
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How does Hamilton’s argument affect political institutions
Answers
Explanation:
In this Federalist Paper, Hamilton argues for a strong leader, as shown for by the Constitution. He asserts, “energy in the executive is the leading character in the definition of good government. It is very important to the protection of the community against foreign attacks…to the steady administration of the laws, to the protection of property…to justice
describe Erik Erikson’s stages of psychosocial development
Stage 1: Trust versus Mistrust
Stage 2: Autonomy versus Shame and Doubt
Stage 3: Initiative versus Guilt
Stage 4: Industry versus Inferiority
Stage 5: Identity versus Role Confusion
Stage 6: Intimacy versus Isolation
Stage 7: Generativity versus Stagnation
Stage 8: Integrity versus Despair
Answers
The describe Erik Erikson’s stages of psychosocial development are:
Stage 1: Trust versus Mistrust - It takes place from birth-1 year.
Stage 2: Autonomy versus Shame and Doubt - It takes place from 1-2 years.
Stage 3: Initiative versus Guilt - It takes place from 3-5 years.
Stage 4: Industry versus Inferiority- It takes place from 6-12 years.
Stage 5: Identity versus Role Confusion - It takes place from 12-20 years
Stage 6: Intimacy versus Isolation - It takes place from 20-30 years
Stage 7: Generativity versus Stagnation - It takes place from 30-65 years.
Stage 8: Integrity versus Despair - It takes place from 65+ years.
What are the stages about?Trust vs mistrust in Stage 1 - Takes place from day of a child been born- one year. Babies learn to trust by having their basic requirements for reliance addressed.
Stage 2: Autonomy vs guilt and uncertainty - Toddlers develop self-control and the ability to take initiative.
Initiation vs. Guilt in Stage 3 - Preschoolers learn to take the initiative and complete activities, or else they feel bad for trying to be autonomous.
Stage 4: Industry vs Subordination - Children in primary school acquire a sense of superiority or competence and learn the useful skills that their culture demands; if not, they feel inferior.
Stage 5: Confusion over identity and role - In order to avoid identity/role confusion, adolescents must have a clear sense of who they are and what they contribute to society.
Stage 6: isolation versus intimacy - Young adults develop close relationships with other people; if they don't, they risk feeling lonely. Six is the number of intimate sticks.
Generation versus stagnation in stage seven -Middle-aged people start to worry about setting up, guiding, and influencing the following generation because they fear stagnation otherwise (lifelessness).
Stage 8: Integrity of ego vs. despondency - Older folks begin to look back on their lives and reflect.
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In what ways did Frances Bacon influence Skinner’s philosophy of science?
Answers
During the 17th century one of the reaon African participated in the Atlantic lave trade wa
Answers
Many Africans used the transatlantic slave trade to drive out rivals or to make money. Depending on the African location and group, the transatlantic slave trade had varying degrees of adverse consequences on the people and the social, political, military, and labor institutions.
What led to the growth of African slavery in the 17th century?As a more affordable and accessible labor force than indentured servants, who were mainly impoverished Europeans, European immigrants in North America turned to enslaved Africans throughout the 17th century.
In the 17th century, what was the slave trade?The term "slave trade" refers to the transatlantic commercial patterns that date back to the middle of the 17th century. A cargo of manufactured products was transported by trading ships from Europe to the west coast of Africa.
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Two plants are grown using the same light and pots. One plant is given water that has been microwaved and the other plant is given regular tap water. Their height is measured after 2 weeks. Independent or dependant variable.
Answers
Answer:
independent variable: water given to the plants
Dependent variable: height of each plant
Explanation:
The independent and the dependent variables are the two principal factors needed in an experiment.
• Manipulated variable: Refers to all the variables in an experiment that provoke a response in another variable. They are also known as independent variables. The independent variable changes or is controlled and modified in the experiment to analyze how the other variable responds to it. The researcher can change it to see what changes it implies in an object, process, trait, or anything that depends on them, to study its effects on the dependent variable. Usually, the independent variable is represented by the X letter. In the exposed example, the researcher manipulates the water given to the plants. One plant receives water that has been microwaved and the other plant receives regular tap water.
• Responding variable: Refers to the dependant variable. The dependent variable is the one that is being investigated, studied, and measured. It represents a quantity of something which value depends on how the independent variable is modified. A change in the dependent variable might be proportional or inversely proportional to the change in the manipulated variable. It is usually identified by the letter Y. In the exposed example, the dependent variable is the height of each plant after 2 weeks of treatment.
• Controlled variable: Refers to those variables in an experiment that are controlled and have no influence on the results. These variables do not affect the change in the dependent variable values. In the exposed example these are the light and pots.
What is Zakaria’s purpose in bringing in expert
testimony in paragraph 9? To what extent does it
serve as effective evidence for his argument?
Answers
Zakaria’s purpose in bringing in expert testimony in paragraph 9 is to to dismiss the role of experts.
What is the role of the expert testimony?Federal and state courts is known to be a kind of court that often permit expert witnesses to be able to stand and also testify in course of a case proceedings and this is done in order to act as an assistance to the judge and/or jury in respect to reaching a decision.
Note that expert witness is one that tends to clarifies, tell, and also provides some forms of opinions in regards complex matters that the average person would not be able to understand.
Hence, Zakaria’s purpose in bringing in expert testimony in paragraph 9 is to to dismiss the role of experts.
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what is the purpose of data encryption algorithm?
Answers
Answer:
security/protection
Explanation:
The main purpose of a data encryption algorithm is security/protection. These algorithms grab data and change it into indecipherable code. This code can only be decrypted using a key that has been uniquely created for that exact piece of data. Usually, when the encrypted data and key have been created the key is given to the select few that need to have access to the data. This process helps protect the data from being seen or manipulated by unwanted parties.
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IM DOING A TEST
Select four consequences of deforestation.
-transmission of seismic waves
-release of methane gas
-loss of biodiversity
-loss of indigenous people and cultures
-leaching of toxic chemicals into the soil
-increase of carbon emissions
-erosion of soil
Answers
Answer:
Loss of biodiversity
Leaching of toxic chemicals into the souil
Increase of carbon emissions
Erosion of soil
Explanation:
Assume the United States economy is in short-run macroeconomic equilibrium at an output level greater than potential output.
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(a) An increase in government spending by $100 billion will shift the AD curve to the right.
(b) Household savings will decrease by $400 billion in the short run.
(c) An increase in real output will lead to an increase in the demand for money in the economy.
(d) An increase in the interest rate in the short run leads to a decrease in the prices of previously issued bonds
(e) An increase in the inflation rate in the United States relative to the inflation rate in the European Union will lead to a decrease in the demand for dollars in the foreign exchange market.
(f) If the Federal Reserve attempts to keep the value of the dollar constant in the foreign exchange market, it should sell dollars and buy euros.
How to calculate the valueThe maximum change in real output can be calculated using the formula:
∆Y = ∆Spending × (1 / (1 - MPC))
where MPC is the marginal propensity to consume.
∆Y = $100 billion × (1 / (1 - 0.8)) = $500 billion
The maximum change in household savings can be calculated as follows:
∆S = -MPC × ∆Y
∆S = -0.8 × $500 billion = -$400 billion
If the Federal Reserve attempts to keep the value of the dollar constant in the foreign exchange market, it should sell dollars and buy euros. This is because the dollar has depreciated in the foreign exchange market, and selling dollars will increase the demand for dollars and raise its value.
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Calculus Help Please!!
If integral^k_0 x/(x^2 + 4) dx = 1/2 ln(4), where k > 0, then k=
I know the answer is the square root of 12 but I don’t know how to get there.
Answers
Answer: K=sqrt 12
Explanation:
When it's |k^2+4|=4 you had to complete the square to get |(k+2)(k-2)+8|=4
A teacher has decided to take her Psychology classes on a trip to Fiji. She has recently come into a large sum of money after an unfortunate work-related injury involving three wheelie chairs and a huddle board. The teacher purchases a private jet and procures a pilot license for the occasion. Mid-flight, the teacher accidentally spills a mug of coffee on the cockpit controls to the chagrin of everyone on board, especially her co-pilot. This results in a crash landing on a seemingly uninhabited island in the South Pacific. Everyone was able to survive the crash, but now they are faced with the task of trying to survive on the island.
Directions: create a story or scenario to explain how the stranded group might struggle to achieve each level of needs on Maslow’s hierarchy, beginning at the bottom with physiological needs and working your way up. You must describe each level of needs by name and provide specific examples of how that need could be met on the island
AP physcology
Answers
Answer:
asdasdasd
Explanation:
Basic survival needs must be met before he or she can address more complex needs.
What is Maslow's hierarchy?Maslow's hierarchy of needs can be illustrated as a pyramid of necessities that build on the previous. This means that each category in the hierarchy is a prerequisite for the other.
At the very bottom, survival needs like having food, and a place to live is essential so the individual can then ascend in the stair of needs. Maslow identifies that at the bottom the physiological needs need to be fully satisfied then secondary needs and tertiary means will arise as a consequence.
Therefore, Basic survival needs must be met before he or she can address more complex needs.
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e total wind power capacity in the United States in 2000 was about 2540 MW. By 2015, , the total wind power capacity in the United States was about 72,500 MW. Calculate the percent change in the total wind power capacity in the United States from 2000 to 2015
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To calculate the percent change in the total wind power capacity in the United States from 2000 to 2015, we can use the following formula:
Percent Change = (Final Value - Initial Value) / Initial Value * 100
Given:
Initial Value (2000) = 2540 MW
Final Value (2015) = 72,500 MW
Applying the formula:
Percent Change = (72,500 - 2540) / 2540 * 100
= 69,960 / 2540 * 100
≈ 2757.48%
Therefore, the percent change in the total wind power capacity in the United States from 2000 to 2015 is approximately 2757.48%.
In 2-3 paragraphs, compare and contrast how the author of each historic speech uses argument to take a stand on a legal issue. Identify the issue in each speech and the arguments for and against as presented by the speaker. Which type of rhetorical appeals are used, and what are the similarities and differences in how the authors use them?
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The speeches referenced here are the speech "On Women's Right to Vote" by Susan B. Anthony and the Speech "On Surrender At Bear Paw Mountain, 1811 by Chief Joseph.
With regard to the first speech, Susan B. Anthony made reference to the preamble of the U.S. Constitution which defends her right to vote. At this time, she had been indicted for committing a crime against the state. Her alleged crime was that she voted as a woman.
While Susan made reference to legal facts, on the other hand, Chief Joseph, made reference to evidential facts. The reason why Chief Joseph indicates that he will fight no more is that many lives of his people were already lost and it made not the reason for him to continue fighting.
One area of similarity is that both of them made very compelling arguments.
The rhetorical appeal used in the first speech is more of Logos while that used by Chief Joseph is Pathos.
Who is Chief Joseph?Chief Joseph, who lived from 1840 to 1904, was the chief of a band of Nez Percé people who resided in what is now Oregon's Wallowa Valley.
Chief Joseph led his people in several struggles to protect their lands over years of struggle against whites who coveted their lands and broken promises from the federal government.
Chief Joseph and his men were fighting the Army and the weather on their desperate retreat into Canada when he surrendered in Montana's Bear Paw Mountains.
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