In the Doppler effect, a red shift of spectral lines shows us the source is True.
The Doppler effect is a phenomenon that occurs when there is relative motion between a source of waves (such as light or sound) and an observer.
When the source of waves is moving away from the observer, the wavelength of the waves appears to lengthen, which means the frequency decreases. This effect is known as a red shift, because it causes the spectral lines to shift towards the red end of the spectrum. On the other hand, when the source is moving towards the observer, the wavelength of the waves appears to shorten, which means the frequency increases. This effect is known as a blue shift, because it causes the spectral lines to shift towards the blue end of the spectrum.
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True. In the Doppler effect, a red shift of spectral lines shows us the source is receding from us.
The Doppler effect is the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the source of the wave. In the case of light, this effect can be observed through the spectral lines, which are the unique patterns of wavelengths of light that are emitted or absorbed by a particular element. If an object is moving away from the observer, the wavelength of the light it emits will appear longer i.e. shifted towards the red end of the spectrum, while if it is moving towards the observer, the wavelength will appear shorter i.e. shifted towards the blue end of the spectrum.
Therefore, a red shift in the spectral lines indicates that the source is moving away from us, which is consistent with the expansion of the universe.
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senator scott always held his political rallies at large stadiums because of the large, enthusiastic crowds that attended. as a result, he became overconfident about his chances of re-election. in this instance, the senator needs to be alerted to the value of
In this instance, the senator needs to be alerted to the value of random sampling.
Random sampling is considered to be a part of the sampling technique in which each of the sample has an equal probability of being chosen. So, random sampling is thus one of the simplest forms of collecting data from the total population.
Under the random sampling, each member of the subset can carry an equal opportunity of being chosen as a part of the sampling process. Thus, here the senator needs to be alerted to the value of random sampling.
Hence, a sample which is chosen randomly is meant to be an unbiased representation of total population.
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how might both sides believe that they were fighting for just a cause in the civil war?
Answer:
In one side (the north) they were fighting to not have slaves. This means that the north did not want slaves and wanted them to be free. While in the south it was differant. They wanted slavery. In the south slavery was a big industry for the south. So if they lose it, they will have to start breaking there back
hope this helps
Explanation:
Which social thinker won the nobel peace prize in 1931?
a. w. e. b. dubois
b. jane addams
c. julian samora
d. harriet martineau
Answer: b. jane addams
Explanation:
Answer:
B. Jane Addams
Explanation:
The social thinker who won the Nobel Peace Prize in 1931 was Jane Addams.
Document 1:
Shipping costs from Lake Erie to Manhattan plummeted from a hundred dollars a ton to under
nine dollars. A few more years of this brought the annual value of freight transported along the
canal up to fifteen million dollars, double that reaching New Orleans via the Mississippi; by
mid-century the figure would approach two hundred million. Enough money would be collected in
tolls-nearly half a million dollars the first year alone-to repay the cost of construction and help
subsidize an additional six hundred miles of canals in the state over the next fifteen years.
plummeted: went down rapidly
subsidize: pay part of
1. What impact did the Erie Canal have on shipping costs?
The Erie Canal had an
impact on shipping costs because.....
The Erie Canal significantly reduced shipping costs, leading to a rapid decrease in prices for transporting goods.
The Erie Canal had a significant impact on shipping costs as it caused a rapid decrease in prices. Shipping costs from Lake Erie to Manhattan dropped from a hundred dollars a ton to less than nine dollars. This substantial reduction in transportation expenses made the canal route much more cost-effective compared to alternative routes, such as the Mississippi River. As a result, the annual value of freight transported along the canal increased to fifteen million dollars, surpassing the amount transported via the Mississippi. The reduced shipping costs facilitated economic growth and trade along the canal, making it a financially viable and attractive option for transporting goods.In conclusion, the construction of the Erie Canal had a transformative effect on shipping costs, drastically reducing them and paving the way for increased trade and economic growth.
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precaution is better than the management after disasters occur justify this statement
pls explain moree...
Answer:
yes it's true that precaution is better than management this is because precaution helps to manage disaster without being involved in in dangerous situation and then we have Eve much more time to prevent ourselves from disaster but management requires very long time to prevent us from disaster anything is costly.
Explanation:
Can I get a brainliests please
Off course,"Prevention is better than the management after disasters occur." Any form of disaster are not suitable for human beings because they bring loss of life and property. Carelessness and negligence are major causes of disaster. The disaster that sattle after its incident left some harmful affect that may not be eliminated or forgotten completely. So, it is better to be careful before the disaster and get rid from such types of unnatural and inhuman phenomena.
Pg. 148 Describe the following Harappan Achievements( give details about each): Housing, Artwork
The Harappan Civilisation was known for its impressive town planning and artwork.
The housing areas for the rulers and affluent people were on the citadel while the poor and working-class people lived in the lower parts of the town. The houses were made up of burnt and sun-dried bricks.
The houses had their own wells and a proper drainage system. The drainage system of each house was connected to the drainage system of the streets. Both single-storey and double-storey houses existed in the civilization.
Harappans practised pottery and many vessels made of terracotta were found during excavations. The tools and weapons made up of copper and bronze were also found.
Harappans used gold and silver for making ornaments and jewellery. Jewellery for both men and women was discovered. A bronze sculpture called the Dancing Girl and a steatite sculpture called the Priest-King were also found in the excavations. Rectangular stone seals with carved animal designs were used by the people of the civilization.
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Where were most Acadians relocated to during the Great Upheaval?
A. The colony of New France
B. Alantic and Caribbean colonies
C. England
D. France
Answer: I believe B
Explanation:
Answer:
It is B.Atlantic and Caribbean colonies
Explanation:
Dari penjelasan materi mengenai kerja sama negara-negara di asean,silahkan kalian cari bentuk kerja sama yang dilakukan oleh negara-negara asean dalam waktu dekat ini,kemudian analisis apakah indonesia berperan dan ikut serta dalam kerja sama tersebut
Answer:
Membuat blok Asia dan Islam oleh negara-negara Asia di masa depan.
Penjelasan:
Ya, Indonesia berperan dan ikut serta dalam kerja sama ini karena dia adalah negara Islam sekaligus negara Asia sehingga bisa berpartisipasi di kedua blok tersebut. Negara-negara Asia menjalin kerjasama untuk memiliki satu mata uang di mana mereka berdagang satu sama lain. Dalam waktu dekat, blok Islam baru akan dibuat yang bekerja untuk semua Muslim di seluruh dunia.
N the context of the text, what makes a family? How is Mike’s family impacted by hisgrandmother’s sickness and memory loss? Have you ever had an older family member fallill? How were you and your family affected?
hurry pls
Answer:
This means that Mike and his family half to watch their grandmother slowly forget herself and the people around her. This will be hard for their family mentally, and can even cause change in financial situations etc.
When tourists visit an area, what do they raise demand for?
Answer:
Good/Services
Explanation:
Self-explanatory. They expect to be treated well where they are going.
Answer:
they expect good service and good attractions
Explanation:
which of the following statements is true regarding how scientific psychology differs from the popular psychology found on television shows, the internet, or in self-help books? popular psychology produces testable predictions, whereas scientific psychology deals only with theories. popular psychology offers experience-based explanations for behavior, whereas scientific psychology detaches itself from personal experience and relies instead on testable predictions. scientific psychology addresses a much broader range of issues and topics than popular psychology typically does and is more firmly grounded in rigorous research and empirical evidence. scientific psychology is only conducted in laboratories, whereas popular psychology is studied in a variety of settings.
Scientific psychology addresses a much broader range of issues and topics than popular psychology typically does and is more firmly grounded in rigorous research and empirical evidence statements is true. The answer is OPTION C.
The main distinction between Scientific Psychology and Pop Psychology is that only Scientific Psychology is supported by studies designed to "test" whether assertions are backed up by evidence. Unlike popular notations, which are based on experiences, scientific psychology is based on empirical evidence.
The foundation of scientific psychology is always experiments with empirical data that can be used to analyze patterns and predict behavior. Because it is founded on anecdotal evidence, pseudo-psychology differs from psychology. Pseudopsychology is supported by knowledge that is not supported by research and has not been put to the test again by others. Also, the data hasn't undergone a rigorous examination by other scientists. The answer is OPTION C.
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Find the accumulated present value of an investment over a 14-year period if there is a continuous money flow of $2500 per year and the current interest rate is 8.5%, compounded continuously. Note: Do not use commas in your answer. $
The total present value of an investment with an annual cash flow of $2500 and an interest rate of 8.5% compounded continuously over 14 years is $29,411.77.
The accumulated present value of an investment over 14 years with a continuous money flow of $2500 per year at an interest rate of 8.5%, compounded continuously can be determined by using the formula for the present value of an ordinary annuity as follows:
`P = (R/i) x [1 - (1/(1+i)^n)]`
where,
P is the present value of the annuity,
R is the annual payment,
i is the interest rate per compounding period,
and n is the number of compounding periods.
In this case,
R = $2500,
i = 8.5% per annum or 0.085,
and n = 14 x 1 = 14 .
Since the payments are made annually and the compounding is continuous. Substituting the given values, we have;
`P = (2500/0.085) x [1 - (1/(1+0.085)^(14 x 1))]`
Evaluating the brackets,
` P = (2500/0.085) x [1 - (1/1.170139)]`
=`(2500/0.085) x (0.146371)`
=`(29411.76471)`
= $29,411.77.
Therefore, the accumulated present value of an investment over 14 years with a continuous money flow of $2500 per year at an interest rate of 8.5%, compounded continuously is $29,411.77.
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Appellate courts have the power of establishing which is the handing down of rules that other courts must ordinarily follow in deciding similar cases.A. general jurisdiction B. binding opinion C.writ of certiorari D. legal precedent
The correct answer is D. legal precedent.
Appellate courts have the power to establish legal precedents. A legal precedent is a judicial decision that serves as an authoritative rule or guideline in subsequent similar cases. When an appellate court issues a decision in a particular case, it often includes a detailed explanation of the legal principles and reasoning applied to reach the decision. This decision becomes a precedent that other courts, including lower courts within the same jurisdiction, must ordinarily follow when deciding similar cases in the future.
The principle of stare decisis, which means "to stand by things decided," is a fundamental aspect of the legal system in many countries. It ensures consistency, predictability, and fairness in the application of the law. When a court follows a precedent, it respects the established legal principles and promotes stability in the interpretation and application of the law.
A. General jurisdiction refers to the authority of a court to hear a wide range of cases, rather than being limited to specific types of cases.
B. A binding opinion is not a term commonly used to describe the power of appellate courts. Opinions issued by appellate courts can be persuasive, but they are binding only within their own jurisdiction and do not have automatic authority over other courts.
C. A writ of certiorari is a legal order issued by a higher court, such as a supreme court, to review a lower court's decision. It is not directly related to the power of appellate courts to establish legal precedents.
Therefore, the power of appellate courts to establish rules that other courts must ordinarily follow in deciding similar cases is known as legal precedent (option D).
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Evaluating a solution objectively means ______. A. Asking others for their opinions b. Choosing to ignore your biases c. Taking your feelings into account d. All of the above Please select the best answer from the choices provided A B C D.
Answer:
choosing to ignore your biases (B)
one of the most important adaptive problems for the altruist is __________.
One of the most important adaptive problems for the altruist is determining when and with whom to share resources in a way that benefits both the individual and the group.
One of the most important adaptive problems for the altruist is determining how to allocate their resources and assistance in a way that maximizes the benefits for the recipients while also maintaining sustainability and avoiding burnout. This requires careful consideration of the needs and priorities of those being helped, as well as a strategic approach to addressing the root causes of issues rather than just addressing the symptoms.
This involves carefully assessing relationships, reciprocity, and the potential for long-term cooperation to ensure that altruistic behaviors are advantageous in terms of survival and reproduction.
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what anime is the most famous?
Answer:
one-piece naruto HAHAHAH
Explanation:
search mopa
While the powers of the Legislative branch are mediated by the reserve powers clause, they are expanded by the Necessary and Proper Clause, which allows Congress to make all laws necessary for executing the enumerated powers. The Necessary and Proper Clause is also known as which
Answer:
Elastic Clause
Explanation:
Necessary and Proper Clause is also called Elastic Clause because it allows the federal congress to have the power to extend the constitution, and can then create any law that is essential for the country, that is appropriate to the current scenario of the country and that exercises federal power, that is, that it can be applied equally in all states. This permission was granted to the concrete by the authors of the constitution and reinforces the power of the legislative field.
What
are the causes of energy crisis in Nepal
Answer:
Three out of the four above resources used for energy production in Nigeria are linked with increasing greenhouse gas emissions: coal, oil and natural gas, with coal emitting the worst of the three.
Explanation:
A person who is trying to quit smoking wears a rubber band around her wrist. every time she has a craving to smoke, she snaps the rubber band. in what type of therapeutic technique is she engaging
The therapeutic technique she is engaging in is called aversion therapy.
Is she using a technique to quit smoking?The person is utilizing wristband aversion therapy, a therapeutic technique that utilizes a rubber band worn around the wrist. Whenever the individual experiences a craving to smoke, they intentionally snap the rubber band, resulting in a mildly uncomfortable or unpleasant sensation. The intention behind this technique is to establish a strong association between the craving and the negative feeling, thus employing negative reinforcement to discourage the smoking behavior. By repeatedly experiencing the discomfort associated with the craving, the person aims to weaken the desire to smoke and increase their motivation to quit. The use of aversion therapy in this manner can help in breaking the habit and supporting successful smoking cessation efforts.
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who were the filibusters fighting for ?
Answer: With the end of the era of Caribbean piracy in the early 18th century "filibuster" fell out of general currency. The term was revived in the mid-19th century to describe the actions of adventurers who tried to take control of various Caribbean, Mexican, and Central-American territories by force of arms.
What other mammal structures or parts are similar to the human hand?
What is the domain
Water in 50
Bathtub 40
(gallons) 30
20
10
1
2
3
4
5
Time
o
BI
A uniform U-tube is partially filled with water. Oil, of density 0.85 g/cm3, is poured into the right arm until the water level in the left arm rises 4.6 cm. What is the length of the oil column
To find the length of the oil column in the U-tube, we can use the principle of hydrostatic pressure and the concept of buoyancy. The pressure at any point in a fluid is equal to the pressure due to the weight of the fluid above it. Since the U-tube is in equilibrium, the pressure on both sides of the tube must be equal.
Let's denote the length of the oil column as 'h'. The pressure due to the water column is ρ_water * g * h_water, where ρ_water is the density of water, g is the acceleration due to gravity, and h_water is the rise in water level in the left arm. The pressure due to the oil column is ρ_oil * g * h, where ρ_oil is the density of oil and h is the length of the oil column.
Setting up the equation: ρ_water * g * h_water = ρ_oil * g * h
h = (ρ_water * h_water) / ρ_oil
Substituting the given values: h = (1 g/cm^3 * 4.6 cm) / 0.85 g/cm^3
h ≈ 5.41 cm
The solution utilizes the principle of hydrostatic pressure, which states that the pressure in a fluid depends on the density of the fluid and the height of the column of the fluid. By equating the pressures on both sides of the U-tube (water on one side and oil on the other), we can derive an equation to find the length of the oil column.
The equation relates the densities and heights of the water and oil columns. By substituting the given values of the density of water (1 g/cm^3), the rise in water level (4.6 cm), and the density of oil (0.85 g/cm^3), we can solve for the length of the oil column. In this case, the length of the oil column is approximately 5.41 cm. This means that the oil column in the U-tube reaches a height of 5.41 cm in the right arm.
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The Tanakh explains the history of Judaism until the 500s BCE. It includes many details that are hard for historians to confirm. In one or two paragraphs, give your opinion on how seriously historians should treat religious texts as they try to understand past events and civilizations. Explain your opinion and support it with examples.
Answer:
I think historians should treat all religious texts very seriously. If we can understand what past civilizations believed in and practiced, we can understand how their civilization could have done better. I think we can learn from these texts, so if we see how past civilizations fell we can prevent it from happening to us in the future.
Explanation:
examples as potential or kinetic energy
Which is not a belt of Central America?*
1 Central Highlands
2 Pacific lowlands
3 Caribbean lowlands
4 Atlantic lowlands
How does globalization hurt the United States economy? O A. By increasing foreign investment O B. By leading to tariff reductions O C. By bringing wage reductions O D. By increasing international trade
Answer:
The answer is c. bringing wage reductions
Explanation:
When was the Central bank of Nepal established The for heal
Answer:
established on April 26, 1956
Explanation:
It is the central monetary authority of Nepal and is responsible for formulating and implementing monetary policy, regulating and supervising the banking sector, and maintaining the stability of the country's financial system.
What does this editorial ask the afican Americans of Atlanta to do
Washington praised the South for some of the chances it had provided Blacks since emancipation and urged whites to have faith in Blacks and provide them opportunities so that both races may prosper in business and agriculture.
The Atlanta Compromise was created to address this shared liability.
Who are African Americans?African Americans, sometimes known as Black Americans, are a group of people who were born in the United States yet have sub-Saharan African ancestry to some extent. In general, those who were born in the United States and are considered to be "African Americans" are considered to be so.
While some Black immigrants or their children may later come to identify as African Americans, most first generation immigrants do not and instead prefer to identify with their country of origin.
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what causes acid rain in cannada
Answer: Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.
Explanation:
Answer:
Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.