you throw a ball with a mass of 2.5kg. the ball leaves your hand at 20 m/s. How much kinetic energy does the ball possess.
A. 100 J
B. 300 J
C. 500 J
D. 600 J
Answers
Answer:
500 J
Explanation:
\(K.E = \frac{1}{2} mv {}^{2} \\ \\ K.E = \frac{1}{2} \times 2.5 \times (20) {}^{2} \\ \\ K.E = \frac{1}{2} \times \frac{25}{10} \times 20 \times 20 \\ \\ K.E = 25 \times 20 \\ K.E = 500j\)
Related Questions
8 ten thousands 4 hundreds) × 10
Answers
Answer:
80,400
Explanation: 80,400 is the correct answer.
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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Describe a positive feedback loop associated with deforestation
Answers
Answer:
It's a phenomenon scientists call a positive feedback loop: deforestation causes drought, which in turn, worsens deforestation, and so on, intensifying the effect. The study concluded that deforestation causes 4% of drought, while drought accounts for 0.13% of deforestation per millimeter of rain in the Amazon biome.
Explanation:If i am wrong i am sorry but good luck.
Which of the following best explains why larger grapes have a different rate of water absorption per gram of mass than smaller grapes do?
Answers
Answer:the amount of water they absorb
Explanation:
Do the Articles of Confederation establish a weak or strong national government?
Answers
Answer:
this made for a weak national government
Explanation:
What are the unequal relationships prevalent in Confucian society?
Answers
Explanation:
Unequal relationships= Father>Son Husband>Wife Older brother>Younger brother Ruler>Subject.
Q2. Two stars, Alpha and Beta, appear equally bright from Earth. Alpha
is located twice as far from Earth as Beta. What can you deduce
about Alpha and Beta's relative brightnesses?
Answers
Note that with regard to the Alpha ad Beta stars, the apparent brightness of a star decreases with distance, as the light from the star spreads out over a larger area as it travels through space.
What is the rationale for the above response?The above means that if two stars appear equally bright from Earth but one is located farther away, the closer star must be intrinsically brighter than the farther star.
In this case, Alpha is located twice as far from Earth as Beta, so Alpha must be intrinsically brighter than Beta in order to appear equally bright from our vantage point on Earth.
Specifically, since the apparent brightness of a star is proportional to the inverse square of its distance from Earth, Alpha must be four times as intrinsically bright as Beta to appear equally bright from a distance twice as far away.
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what do researchers mean when they refer to the gender wage-gap?
a. the gap between opportunities for men and those for women
b the gap in earning between one tax bracket and another
c. the gap between how much men and woman make in compensation
d. the gap in pay between young and old workers
Answers
Answer:It is important to note that the overall average salary ratio across position and year was 0.975; therefore, the wage gap in research librarians is significantly smaller than the national wage gap for 2016 of 0.82. 35. This dependent variable was submitted to a one-way ANOVA with year as the predictor variable.
Explanation:
Which if the following terms best describes the spatial effects of the internet on the global diffusion of culture
Answers
Answer:
Explanation:
The spatial effects of the internet on the global diffusion of culture can be described using the term "glocalization."
Glocalization refers to the simultaneous occurrence of both universalizing and particularizing tendencies in contemporary social, political, and economic systems. With the advent of the internet and the rise of digital technologies, culture can now be shared and consumed globally through online platforms, social media, and other digital mediums, at the same time as it can also be localized, adapted and consumed in particular contexts.
In this sense, the internet allows for a global diffusion of culture, as ideas, customs, and media can be easily shared and consumed by people around the world. However, at the same time, the internet also allows for the localization and adaptation of culture, as people can use the internet to access and engage with the culture of their own communities, or to create and share their own localized versions of culture.
Glocalization is a powerful way of explaining how culture is spread and consumed through the internet. In a globalized world, the internet makes it possible to access and consume culture from all over the world, it also allows culture to be adapted to local contexts and cultures. By using the term glocalization, we can understand that in the age of the internet, global and local culture are interconnected and mutually shaping each other, in a way that was not possible before.
Functionalist
How is it set up? What are the component parts? How do they work together? What is the primary function of each part? What are the intended (manifest) consequences of the part/action? What could be unintended (latent) consequences of the part/action?
Conflict
Who has the power? What kind of power is it (overt or covert)? How is the power used? Describe the "sharing" of the power? How is it distributed? Are there conflicts or fights over power? What happens when part of the group gains power and another loses?
Interactionist
Look at the individuals who are interacting--they are doing something--who is doing what and HOW are they doing it? What kinds of meaning can be attached to what is done? Has anyone changed status as a result? What messages are they conveying with the action? How is a person representing him/herself to the world or the context we are examining? Are they mismanaging an impression?
Answers
Functionalist perspective:
The functionalist perspective is a sociological approach that focuses on the ways in which society is organized and how its parts work together to maintain social stability and order. It views society as a complex system made up of interrelated parts that work together to achieve a specific function or purpose. The components of this system include social institutions, such as the family, education, and government, as well as social norms, values, and beliefs. Each of these parts has a specific role or function that contributes to the overall stability and cohesion of the system. The intended (manifest) consequence of each part is to maintain social order and stability. However, there could also be unintended (latent) consequences of certain actions or parts of the system, such as unintended social inequalities or conflicts.
Conflict perspective:
The conflict perspective is a sociological approach that emphasizes the role of power and coercion in society. It views society as a system characterized by competition and conflict between different groups, such as the rich and the poor, or between different racial or ethnic groups. The conflict perspective focuses on the ways in which power is distributed unequally in society and how this can lead to conflict and social change. The power in this perspective is often seen as being held by those who control economic and political resources, such as corporations and governments. Conflict can arise when different groups struggle for access to these resources, and the sharing of power is often uneven and contentious. The consequences of this power dynamic can include social inequality, discrimination, and oppression.
Interactionist perspective:
The interactionist perspective is a sociological approach that focuses on the ways in which individuals interact with one another and how they construct meaning through their interactions. It views society as a product of the interactions between individuals, who create and define social reality through their interactions with one another. This perspective focuses on the symbolic meanings that individuals attach to their actions and how these meanings shape social behavior. It looks at the details of individual interactions, such as facial expressions, gestures, and language, and how these can be used to communicate meaning. The interactionist perspective is interested in the ways in which individuals represent themselves to others and how they manage their impressions in social contexts. The consequences of these interactions can include changes in social status, the formation of social relationships, and the creation of social norms and values.
6. In addition to changes in the number of daylight hours, what other
factor contributes to Earth's seasons?
O A. Time of the day
O B. Energy as heat from the sun
O C. Angle of the sun's radiation
O D. Warm air blowing from the oceans
Answers
Angle of the sun’s radiation
Hope this helps :)
Answer:
O C. Angle of the sun's radiation
Explanation:
[AP Human Geography] What motivates technological change in agriculture?
No rush, just need a little help on some homework. Its an open ended question so I just need some ideas on how to form my answer! Thanks :)
Answers
Answer:
Land-Augmenting Technological Change: As is known land is inelastic in its supply, therefore, some techniques might help to augment land availability. Thus, the biological, chemical and technical changes introduced in agriculture are referred as land-augmenting technological change. Farmers and others who come in contact with air, water, and soils polluted by chemical fertilizers and pesticides may face negative health consequences, for instance. By impacting components of the ecosystem, these practices affect the health of plants and animals living within the ecosystem with can spark wants and needs for change in technological argriculture.
Gallup conducted a nation-wide poll to determine the proportions of Americans who would be in support of term limits on members in Congress. They reported that 65% of Americans say "yes" and announce a 95% confidence with a margin of error of 2%. Which of the following is a correct interpretation of the 95% confidence level in this setting?
Answers
The data in a standard Typical circulation with the end goal that 95% of the scores are not exactly that distance from 0.
What is a nationwide poll?Something cross-country alludes to or covers the entire country. Testing or assortment of conclusions regarding a matter, taken from either a chosen or an irregular gathering of people, concerning the motivation behind examination.
95% of all Gallup Survey tests like this one give replies inside ±3% of the valid populace esteem. The right translation of a 95% certainty stretch is that "we are 95% sure that the populace boundary with respect to congress.
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Which ratio has a length to width ratio of 5:3? *
Answers
Answer:
D
Explanation:
✔️Length to width ratio of rectangle A:
Length = 15 cm
Width = 6 cm
Ratio = 15 : 6 = 5 : 2
✔️Length to width ratio of rectangle B:
Length = 24 cm
Width = 18 cm
Ratio = 24 : 18 = 4 : 3
✔️Length to width ratio of rectangle C:
Length = 45 cm
Width = 30 cm
Ratio = 45 : 30 = 3 : 2
✔️Length to width ratio of rectangle D:
Length = 35 cm
Width = 21 cm
Ratio = 35 : 21 = 5 : 3
A side effect of current from drug administration when.A-The drug affects is throughout the body not just the sake of administration.B-The drug affect is limited to the site of administration and the area immediately surrounding it.C-A predictable but not desired response will occur.D The expected response occurs from the drug administration.
Answers
Answer:
B
Explanation:
5. Write an equation for each line.
!! please help !!
Answers
Explanation:
Refer to pic...........
In Wealth of Nations, what does Smith see as the role of government?
In The Theory of Moral Sentiments, what does Smith see as a problem between government and society?
Answers
Answer:
In Wealth of Nations, Adam Smith argues that the role of government should be limited to protecting society and maintaining the rule of law. According to Smith, the government should not intervene in the economy but allow free market forces to determine prices, wages, and production.
In The Theory of Moral Sentiments, Smith discusses the problem of moral corruption that can arise between government and society. He argues that people in positions of power, such as government officials, may be tempted to use their power for personal gain or to exploit others. Smith suggests that moral education and the development of virtuous character can help prevent this type of corruption and ensure that those in power act in the best interests of society.
Explanation:
Which of the following are true regarding direct causes of disease? Check all that apply.
Direct diseases are easier to understand than indirect diseases.
Direct diseases are caused by lifestyle decisions.
Direct diseases have no interferences between the disease and the person.
Direct diseases can be caused by environmental factors such as the sun
Answers
Answer:
A C D
Explanation:
Next one is B C D
When bodily fluids including blood, saliva, urine, feces, or semen come into touch with an uninfected individual through kissing, sexual intercourse, or a needle stick wound, some infections can be transmitted. Thus option A, C, D is correct.
What are the factor are involved in causes of disease?Direct and indirect contact transmission are the two different types. When an infected individual and a vulnerable person come into direct physical touch, the infection is transmitted directly.
When there is no direct human-to-human touch, transmission through indirect contact occurs. Hepatitis B is an example of a disease that spreads through bodily fluids.
A noncommunicable disease is a medical condition that is not contagious and cannot be passed from one person to another.
Therefore, Direct diseases can be caused by environmental factors such as the sun
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The area of a rectangular television is 24ft^2. The width of the screen is 2 feet longer than the length. What are the dimensions of the screen?
Answers
w:l
x(x+2)
2x+2x
4x
4x=24
x=6
width= (x+2) 8
length=(x) 6
Why must care be taken when reading a histogram?
Answers
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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WILL MARK BRAINLIEST!!!
Which of the following problems is more damaging to a local ecosystem?
Increase in fish production from aquaculture farming
More fuel is used to keep water clean in fishing farms
Waves and currents clear wastewater in ocean aquaculture
Non-native fish escape into a river from aquaculture ponds
Answers
magbigay ng tatlong kontribusyon ng sinaunang china na hanggang ngayon ay ginagamit mo pa rin?
Answers
Answer:
Magbigay ng tatlong kontribusyon ng sinaunang china na hanggang ngayon ay ginagamit mo parin
CrossbowPorselanaWh eelbarrowGun powderPaggamit ng chopsticks Mga istilo sa pagluto kanilang kulturaThink about the music you heard and the lyrics you read.Choose one quote from Douglass’s description of slave songs that you think best connects with the music you heard and explain why you made that choice
Answers
What are some consequences of globalization?
Answers
Well, global economic growth and industrial productivity are both the driving force and the major consequences of globalization. They also have big environmental consequences as they contribute to the depletion of natural resources, deforestation and the destruction of ecosystems and loss of biodiversity.
Answer:
Globalization sure does come with a lot of consequences. Some of them are:
(1) Globalization restricts the growth of local industries (especially in the case of textiles & automobiles) as the imported goods are cheaper than the local goods.
(2) It causes poor work conditions for the workers as they have to work for longer periods of time with less wages.
(3) Globalization also affects the economy & the countries that export goods earn more or have MNCs in other places than countries that import goods.
Hope it helps ⚜
im offering 100 point to whoever can give me the best advice on boys you possible can. so shoot, tell me everything and anything about it.
Answers
Answer:
we young live yo life nobody is committing to anybody at this age
A rock sample contains 7.5 g of Californium-249 and 52.5 g of the daughter isotope. If the half life of Californium-249 is 360 days, how old is the rock?
Answers
Answer:
Rock is \(1080\) days old
Explanation:
Total Mass = \(52.5\) grams \(+ 7.5\) grams \(= 60\) grams
As we know
\(\frac{7.5}{60} = \frac{60* (\frac{1}{2} ) (\frac{t}{360d})}{60}\)
\(0.125 = 0.5* (\frac{t}{360d})\)
Taking log on both sides we get –
Log \((0.125) = \frac{t}{360}\) log \((0.5)\)
\(\frac{-0.903}{-0.301 } = \frac{t}{360}\)
\(t = 3 * 360\)
\(t = 1080\)
\(1080\) days
x/-2=18 what is the solution to this equation?
Answers
Answer:
x=-36
Explanation:
move the negative sign to the life multiplied both sides by to simplify 18 times 2 and you'll get 36 then multiplying both sides by negative one because the X will be a negative and your answer will be x=-36
Each of the following is an example of a type of play for preschoolers except _____.
a
rough-and-tumble play
b
outdoor play
c
constructive play
d
pretend play
Answers
Answer:
a
Explanation:
because they will end up harming each other
Assume the United States economy is in short-run macroeconomic equilibrium at an output level greater than potential output.
Answers
(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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