The kinetic energy would be 450 joules and if his velocity becomes 6m/s, then the change in the kinetic energy would be 270 Joules.
The kinetic energy of a person with a mass of 45kg and moving at 10m/s is equal to 450 Joules.
If the person's velocity changes to 6m/s, then their kinetic energy would decrease to 270 Joules.
This is because kinetic energy is determined by multiplying the mass of an object with the square of its velocity. Therefore, when the velocity decreases, so does the total kinetic energy.
To put it simply, momentum is important for understanding how much energy an object has when it's in motion. And in this case, decreasing that momentum from 10m/s to 6 m/s resulted in a change of 180 Joules in kinetic energy - from 450 Joules down to 270 Joules.
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What are 3 features of Romanesque?
Answer:
architecture, art, and bibical relations
Explanation:
Deforestation causes serious air pollution in the region mainly because
a. land is often cleared by burning trees.
b. the destruction of forests threatens animal habitats.
c. trees are usually cleared to build more roadways.
d. the lumber industry uses gasoline-powered machinery.
no files please!
Answer:
A
Explanation:
This needs an explanation but im just giving the answer
Deforestation leads to air pollution in the region because the land is often cleared by burning trees.
What is a Deforestation?This basically means the cutting down of trees without replacing them with new trees.
The main cause of serious air pollution from deforestation act is because the land is often cleared by burning trees.
Therefore, the Option A is correct.
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When you think of global warming, what effects on our planet come to mind?
Answer:
pollution
Explanation:
In Christian religions, there is often a belief that people will go to heaven after they die if they have been "good" in their lives on earth. What type of
cultural trait is this?
O A. social institution
OB. material culture
O. C. assimilation
O D. attitude towards the unknown
Answer:
I believe the answer is D. Attitude towards the unknown
Explanation:
Hope it helps:)
What is the layers of rock from oldest to youngest?
Answer:
The layers of rock in the Earth's crust are generally arranged in order from oldest to youngest, with the oldest rocks on the bottom and the youngest on top. This is due to the fact that, over time, new layers of sediment are deposited on top of older layers, forming a layered or stratified structure.
The specific layers of rock in the Earth's crust can vary depending on the location, but in general, the layers from oldest to youngest are:
The crust: The outermost layer of the Earth, consisting of solid rock. The crust is divided into two main types: the continental crust, which makes up the continents, and the oceanic crust, which makes up the floor of the oceans.
The mantle: The layer beneath the crust, consisting of molten rock (magma) and solid rock. The mantle is divided into two main regions: the upper mantle, which is solid, and the lower mantle, which is partially molten.
The core: The innermost layer of the Earth, consisting of a solid inner core and a liquid outer core. The core is made up of iron and nickel, and is responsible for the Earth's magnetic field.
It is important to note that the layers of rock in the Earth's crust are not always clearly defined, and there is often overlap and mixing between different layers. Additionally, the ages of different layers of rock can vary significantly within a particular region, as different layers can be formed at different times and under different conditions.
How was the holocaust stopped?
What was the primary way the firms in the south differed from those in the north?
The fact that southern farmers used a plantation system to generate cash crops set them apart from their northern counterparts.
All 13 American colonies utilized slave labour throughout the colonial era (1600–1775). Slaves were employed in the shipbuilding industry, among others, throughout the North. Slaves were employed throughout the South to produce lucrative crops including indigo, rice, and tobacco.
After America gained its independence and began making its own laws, attitudes about slavery altered. While some states began to ban slavery after 1800, others continued to practice it. One of the most significant changes was that Southern states concentrated primarily on cultivating cotton, a single very significant cash crop. America became the world's biggest cotton exporter.
Despite its economic success, slavery had a number of unpleasant side consequences, including the abuse of African Americans and conflicts between pro- and anti-slavery residents.
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How does the author compare gold and silver?
A. Silver is less valuable than gold.
B. Gold is more durable than silver.
C. Silver is more malleable than gold.
D. Gold conducts electricity better than silver
This means that silver is easier to shape and bend than gold, and it can be worked into thinner sheets.
Option C. Silver is more malleable than gold.
Comparing the Differences Between Gold and SilverGold and silver are two precious metals that are often compared for their differences in value, durability, malleability, and electrical conductivity. In terms of value, gold is typically more valuable than silver. In terms of durability, gold is more durable than silver.
However, when it comes to malleability, silver is more malleable than gold, meaning that it can be worked into thinner sheets and is easier to shape and bend.
Finally, in terms of electrical conductivity, gold conducts electricity better than silver. Therefore, gold and silver have a few distinct differences that can be compared and contrasted.
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which of the following surfaces would soil erosion most likely take place?
Soil erosion mostly take place at moist place containing high rainfall and Deserty area
If the P-wave arrives at 1:00pm and the S-wave arrives at 1:07pm, how far from the epicenter is this location?
If the P-wave arrives at 1:00pm and the S-wave arrives at 1:07pm, Seismic wave travel time data and triangulation are needed to calculate the epicenter-to-P-wave and S-wave distance.
What is the epicenter?Generally, To determine the distance from the epicenter to the location where the P-wave and S-wave were detected, you would need to use seismic wave travel time data and a method called triangulation.
This involves measuring the arrival times of the P-wave and S-wave at multiple seismograph stations and then using the difference in arrival times to calculate the distance to the epicenter.
Without more information, it is not possible to determine the distance to the epicenter from the arrival time of just one P-wave and one S-wave.
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Actividad. Selecciona un problema social de tu comunidad y aplica cada paso del árbol de problemas. Deberás identificar un problema que tenga una solución que esté al alcance de tu comunidad y no sea demasiado compleja. Luego, elabora un árbol de problemas tomando como referencia la ilustración de la guía, puedes hacerlo en tu cuaderno o en cartulina, usando imágenes para ilustrar las causas y efectos. Una vez terminado el árbol redacta un breve resumen en el que expliques las relaciones de causa y efecto, y la lógica del esquema completo. Finalmente, toma una foto al árbol y envíaselo a tu docente, ¡no olvides elaborar tu resumen!
Answer:
I don know.
Explanation:
How big does the United Nations believe the human population will be by
2100? *
Mark only one oval.
770 million
O 14 billion
7.2 billion
330 million
Coarse grained igneous rocks tend to be ________ because _________________________. Question 22 options: extrusive; the slower cooling of lava allows more time for crystals to form intrusive; slower cooling of magma allows more time for crystals to form intrusive; the faster cooling of magma allows more time for crystals to form either intrusive or extrusive; the slower cooling of magma and lava allows more time for crystals to form extrusive; the faster cooling of lava allows more time for crystals to form
Answer:
slower cooling of magma allows more time for crystals to form intrusive;
Explanation:
Coarse-grained igneous rocks are coarse-textured generally indicating the magma that flows slowly and cools deep underground. Hence the minerals tend to crystallize based on the flow patterns of the lava. The column of rocks also goes from felsic to mafic at the bottom. The instinctive rocks are also called plutonic rocks. The slow cooling allows for crystals to grow bigger.What were Roman vaults made of?
Answer:
mortared rubble and laid bricks
Explanation:
Mrs. Morgan asked her students to consider the cross-cutting concepts between Earth’s geoscience processes of plate tectonics and energy cycling within Earth’s systems. One concept that can be considered is stability and change. Understanding how Earth can be stable for short periods of time, yet change over long periods of time, can help scientists in their work. If you were in Mrs. Morgan’s class:
How could you describe the connection between plate tectonics and energy cycling within Earth’s systems?
How could you explain these two processes exhibit the cross-cutting concept of both stability and change?
In Mrs. Morgan's class, students have been considering the relationship between plate tectonics and energy cycling within Earth's systems.
Through careful examination, it is evident that these two processes reveal the cross-cutting concept of both stability and change. Plate tectonics involve the movement of the Earth’s crustal plates, while energy cycling is the transfer of energy within Earth’s systems.
Together, these two processes indicate that Earth can remain stable for short periods of time, yet change over long periods of time.
Thus, by exploring the relationship between plate tectonics and energy cycling, students can gain a better understanding of how Earth’s stability and change are interdependent.
These two processes demonstrate the cross-cutting concept of stability and change. Plate tectonics have been relatively stable over short periods of time, despite causing major changes to the Earth's surface over long periods of time.
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Compared with adults, children represent a group that is especially vulnerable to environmental hazards for the following reasons, except: a. Their immune systems are still developing b. They may be exposed more often to toxins in the outdoor air. C. They may be exposed more often to toxins in the soil. d. They spend more time indoors.
The correct option is B ; They may be exposed more often to toxins in the outdoor air. Children are more vulnerable to environmental hazards than adults: Children are always developing. In proportion to their weight.
They breathe more air, eat more food, and drink more water than adults. The systems of children are still evolving.
Children are not little adults; their bodies do not resemble those of adults. They are particularly vulnerable to environmental toxins since they are little and still developing, and here's why: Children consume more food and drink more water per pound of body weight than adults.
Children are more sensitive to environmental risks than adults due to their size, physiology, and behavior. Toxins are more intensively exposed to children in proportion to their body weight.
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What event instigated the current population explosion?
Answer:
The Industrial Revolution
Explanation:
The advances in technology and medicine in this time saved the lives of many people. These advances caused many more people to live, meaning more people were born, this caused a rapid population increase.
The current population explosion, also known as population growth, is a phenomenon that can be traced back to the end of the 19th century and the beginning of the 20th century, with the event known as the "Demographic transition.
" The demographic transition refers to the shift from high birth rates and high death rates to low birth rates and low death rates that occurred in many countries as they modernized.During this time, improvements in public health and medicine, such as vaccination and clean water, led to a significant decrease in death rates.
At the same time, advancements in agriculture and food production allowed for an increase in food supply, which in turn led to a decrease in infant mortality and an increase in life expectancy. As a result, the population began to grow rapidly.
This demographic transition was accelerated during the 20th century with advancements in medical technology and family planning, which further lowered death rates and increased life expectancy, and made it possible for people to have fewer children, but with a better chance of survival.
As a result, the global population has grown exponentially since the early 20th century, and it is projected to continue growing for the foreseeable future.
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How would the water table be affected if Earth were made up of uniform, permeable material?
A. The water table would be a little deeper.
B. The water table would be unaffected.
C. The water table would not exist.
D. The water table would be a little shallower.
The water table is affected if Earth were made up of uniform, permeable material - The water table would not exist.
Hence, option (c) is the correct choice.
Changes in precipitation across seasons and years produce fluctuations in the water table level. The water table rises in late winter and early spring as snow melts and precipitation increases. However, there is a lag between when precipitation enters the saturated zone and when the water table rises.
The amount of water withdrawn from the aquifer by natural or human-caused activities, as well as the aquifer's recharge rate, impacts the level of the water table.
Rainwater seepage replenishes the water extracted from the earth. The water table is not altered if we extract the same quantity of water that is supplied by natural resources such as rain.
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How was agriculture different in the Northeast than in the South?
Northeast: Small farms that produced food for regional markets; South: Larger farms that produced cotton for exporting.
The North's higher crop production is likely attributable to the South's recent creation and use of several farming machineries. Small settlements surrounded the northern farms at first, but as they moved further west, they grew more solitary and relied solely on family labor to turn a profit.
The major farming industry in the area is dairy, and compared to the rest of the US, the Northeast produces more fruits and vegetables than cattle.
Forages, which are the main source of food for cattle, may thrive best in climates with mild temperatures, abundant rainfall, and a wide range of soil types. Dairy goods may be transported effectively to Boston's, New York City, and Washington DC. major markets because to the Northeast's position
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What did Washington think was the triumph of our enemies?
George Washington's farewell address placed a strong emphasis on the creation of parties that would ultimately split the nation. He took this into account when he said that, if it were to be approved.
It might lead to the country's division in his parting speech.President george washington delivered several bits of advise to the nation in his farewell speech. Avoid forming political parties or factions of any kind washington thought that political parties.
Would simply exacerbate societal division among Americans. He believed that these organisations would exacerbate rather than resolve the problems. Abstain from foreign entanglements Washington wished for the US to avoid interfering in other countries' affairs. Washington believed that interfering in other nations' affairs would only lead to complications.
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Hurry!!! The model below represents a nuclear reaction. Atom 1 is present before the reaction and Atom 2 and Atom 3 are produced after the reaction.
Atom 1 = Atom 2 + Atom 3 + energy
The model most likely represents a reaction which
A. produces energy in nuclear power plants
B. takes place when atoms become inactive
C. takes place when atoms combine
D. would not produce energy in nuclear power plants
The model most likely represents a reaction which produces energy in nuclear power plants. Thus option (A) is correct.
The model represents a nuclear reaction where a single atom (Atom 1) is broken down into two smaller atoms (Atom 2 and Atom 3) and energy is released. This type of reaction is known as nuclear fission and is used to produce energy in nuclear power plants.
During the nuclear fission, large atom gets split into two or more smaller atoms, releasing an enormous amount of energy in the process.
Therefore, the ideal selection is option A.
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______ is caused by deforestation, overgrazing, and overworking the soil Group of answer choices desertification depletion of aquifers salinization monoculture
Desertification is caused by deforestation, overgrazing, and overworking the soil.
Desertification is an environmental process in which dry, arid areas of land become increasingly uninhabitable and unable to support plant and animal life. This process is caused by a variety of factors, including deforestation, overgrazing, and overworking the soil.
Deforestation is the removal of trees and other vegetation for various purposes, such as to create space for agriculture and urban development. Without trees, the soil is left exposed to the elements and is unable to retain moisture. This leads to the soil becoming dry and barren, creating the perfect conditions for desertification.
Overgrazing is the practice of having too many animals grazing on a given area of land. This can cause the land to become overly depleted of vegetation, which can lead to desertification. Overgrazing can also lead to soil erosion and loss of fertility, as the animals trample and consume the vegetation that would otherwise help retain moisture.
Overworking the soil is the practice of tilling the soil too often or too deeply. This can lead to the depletion of organic matter and soil organisms, which are essential for maintaining soil health. Without the organic matter and soil organisms, the soil is unable to retain moisture, leading to desertification.
All of these practices can have devastating effects on the environment and can lead to desertification. Deforestation, overgrazing, and overworking the soil can all contribute to the depletion of aquifers, salinization, and monoculture. These effects can render entire regions uninhabitable, making it difficult for plants, animals, and humans to survive. Therefore, it is important to take steps to protect our environment and prevent the effects of desertification.
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When the first man landed on the Moon, it changed space travel forever because it
What are the most spoken languages in Central Europe?
Answer:
Explanation:
The most spoken languages in Central Europe can vary depending on the specific countries you are looking at and their population demographics. However, some of the most widely spoken languages in Central Europe include:
German: German is the official language of Germany, Austria, and parts of Switzerland, and it is spoken by a significant proportion of the population in these countries.
Polish: Polish is the official language of Poland and it is spoken by the majority of the population.
Czech: Czech is the official language of the Czech Republic and it is spoken by the majority of the population.
Hungarian: Hungarian is the official language of Hungary and it is spoken by the majority of the population.
Slovak: Slovak is the official language of Slovakia and it is spoken by the majority of the population.
French: French is a language spoken by a minority of population in a few countries like Switzerland
English: Even though it is not an official language in central Europe, English is widely spoken as a second language in many of the countries in the region, and is particularly common among younger people and in business contexts.
Italian: Italian is also spoken by some people in parts of Switzerland, Austria and Slovenia.
Keep in mind, however, that there are many other languages spoken in Central Europe, depending on the specific region and population group in question.
The most spoken languages in Central Europe are German, Polish, Czech, Hungarian, Slovak, English, Italian and French.
Dutch, English, German, and Swedish are among the Germanic languages spoken in central and northern Europe. French, Italian, Portuguese, Romanian, and Spanish are Romance languages spoken throughout Western and Southern Europe.
In Europe, five languages have over 50 million native speakers: Russian, French, Italian, German, and English. Russian is the most widely spoken native language in Europe, and English has the greatest overall speakers, including around 200 million learners of English as a second or foreign language. Language policy exists the responsibility of member states in the EU, and there is no EU-wide language policy.
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Where do rivers usually begin brainly?
Which of the following is NOT a way to achieve peace and enlightenment in Buddhism A.) End suffering by not focusing on material things and possessions.
B.) Keep your thoughts and words pure and truthful.
C.) By following the Eight Fold Path
D.) Suffering will never happen if you pray enough.
D Easy I think because all the others are posotive
Not all areas on Earth's surface receive the same amount of radiation because Earth's surface ____. a. is flat c. has continents on it b. is curved d. is mostly water
Not all areas on Earth's surface receive the same amount of radiation because the Earth's surface is curved, has continents on it, and is mostly water. So the correct option is d.
Earth's surface does not receive the same amount of radiation because it is not flat. The Earth's surface is actually curved, meaning that some areas receive more sunlight than others. Furthermore, the presence of continents, oceans, and other landforms can affect the amount of sunlight that a given location receives.
For example, places located close to the equator are exposed to more direct sunlight than those located further away from the equator. This is due to the curvature of the Earth. At the equator, the rays of sunlight are more concentrated, resulting in higher levels of radiation. On the other hand, areas that are closer to the poles receive less direct sunlight and consequently, lower levels of radiation.
In addition, the presence of landforms such as mountains, deserts, and forests can also affect the amount of radiation a certain area receives. For instance, mountain ranges can block sunlight from reaching certain areas, while forests can act as a shield against some of the sun's rays.
Finally, the Earth's surface is mostly composed of water, which reflects sunlight. This means that areas with a greater water surface will receive less direct sunlight and consequently, lower levels of radiation.
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Complete question :
Not all areas on Earth's surface receive the same amount of radiation because Earth's surface ____.
a. is flat
b. is curved
c. has continents on it
d. is mostly water
Please select the best answer from the choices provided A B C D
How do you explain logarithmic scales?
When examining a wide range of values, a nonlinear scale called a logarithmic scale is frequently utilized. Each interval is raised by a factor of the logarithm's base rather than by equal increments.
How significant is the logarithmic scale?
The use of logarithmic scales is necessary to address the problem of visualizations that favor large values in a dataset.
Log scales are quite helpful in applications where you have data values that are significantly more or lower than the other values. If you want to show large percentage variations between data points, you may alternatively use a log scale.
Therefore, A logarithmic scale displays a value as the base value multiplied by a power of 10.
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What is the climate of Venezuela?
A. cold
B. tropical
C. temperate
D. cool
Answer: B. Tropical
Explanation: The Climate of Venezuela is characterized as being tropical and isothermal as a result of its geographical location near the Equator.
<3 Bee
Which of the following agricultural practices results in soil degradation and most contributes to erosion?
A
Tilling
B
Crop rotation
C
Intercropping
D
Terracing
A. Tilling is the agricultural practice that results in soil degradation and most contributes to erosion.
Tilling is a farming practice that can have long-term negative effects on the soil. It breaks up the soil and exposes it to wind and water, leading to soil erosion.
Over time, this can result in significant soil degradation, leading to decreased fertility and decreased crop yields.
By minimizing or eliminating tilling practices, farmers can help to protect their soil, ensuring high-quality soil for generations to come.
Tilling is an agricultural practice that can have detrimental effects on the environment. It involves the turning over of soil, which can cause soil degradation, and can lead to increased levels of erosion.
It is important to understand the potential risks associated with tilling in order to understand how best to manage the land and prevent soil erosion.
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