The force that makes two galaxies to be attracted to each other is the same force that causes an apple to fall to the ground. This is known as the Gravity Force.
This force was named by Issac Newton, after some empirical observations in nature and then he published the Universal Law of Gravitation on 1687:
The force [tex]F[/tex] exerted between two bodies of masses [tex]m1[/tex] and [tex]m2[/tex] and separated by a distance [tex]r[/tex] is equal to the product of their masses and inversely proportional to the square of the distance.
Written in a mathematical form is:
[tex]F=G\frac{(m1)(m2)}{r^2}[/tex]
Where [tex]G[/tex]is the gravitational constant
So, this force between two bodies (two galaxies or an apple and the ground) is directly proportional to the product of the mass of both and inversely proportional to the square of the distance that separates both bodies.
This means the gravity force decreases when the distance between these two bodies increases.
Therefore, the correct option is a.
The force attracting the two galaxies is gravity, which is the same force that causes an apple to fall to the ground. Gravity is well understood and is responsible for various phenomena on Earth and in space. Other options are incorrect for different reasons. So, the correct answer is a.
Here are some key points to explain this:
Gravity is the weakest of the four fundamental forces in nature, yet it has an infinite range and affects all masses.This force keeps us grounded on Earth, causes apples to fall, and ensures planets orbit the Sun.It also binds galaxies into clusters by exerting an attractive force between them.The nature of gravity is well studied, though it's described as weaker compared to other forces like electromagnetism.The other options are incorrect for the following reasons:
b) The force will get weaker as time passes. Gravity is constant unless other forces or factors change the mass or distance significantly.c) It is a mysterious force, whose nature remains completely unknown to scientists. While there are still questions about gravity, its basic principles are well understood.d) It is a force unlike any force that we ever experience on Earth. This is incorrect as gravity is experienced daily in various forms, such as keeping us grounded and causing objects to fall.What is the most visited city park in the us
Which continents does the equator pass through?
It mainly passes through South America, Africa, and some parts of Asia.
Severe flooding along a coastline can be caused or enhanced by:
a. Tsunami
b. Storm surge
c. Tides
Answer:
c
Explanation:
What is the fewest number of seismographic stations that must record the arrival time of p and s waves in order for the epicenter of an earthquake to be located?
Answer:
3
Explanation:
The process is called triangulation and involves at least 3 stations.
The principle is that from each station, you get a distance location from that station of the event. Then from each station you make a circle with the distance measured at that station.
All three circles done form the monitoring station will meet at a point somewhere between those three stations, and you'll get your location.
That's the triangulation process. You do need 3 points for a precise reference, if you have only 2, you are usually left with 2 possibilities.
A country with a economy generally has a high standard of living.
Answer:
a country with a free market economy <3
Explanation:
A country with free market economy generally has a high standard of living. It is basically a kind of economy in which all decisions regarding investment, production and distribution are totally dependent on the demand and supply of the market. I hope that this is the answer you were looking for and it has helped you.
Answer:
A country with a developed economy generally has a high standard of living.
Explanation:
Countries with developed economies have a very high degree of industrialization, with a predominance of the tertiary (trade activities) and quaternary (knowledge-based services and information sharing) industrial sectors.
A relevant factor in relation to economic development is the Gross Domestic Product (GDP), which represents the monetary value of goods and services produced by a country in a year, being one of the main indicators of a nation's economic potential. Per capita income, which represents the average wage per person, is also considered in a nation's development classification. In developed countries, GDP and per capita income are high, and income distribution is generally homogeneous.
the process by which volcanoes vent water vapor, carbon dioxide, nitrogen, and other substances is called_______.
Answer:
Outgassing
Explanation:
Answer:
outgassing is your answer
Explanation:
In what year did washington dc became the capital
How many hours of daylight does the north pole receive on june 21?
This is because June 21st marks the astronomical start of summer for the northern hemisphere with the summer solstice. During this season the days are longer than the nights, and as we get closer to the North Pole, we will have up to 24 hours of sunlight, a phenomenon called the Midnight Sun.
This is possible because during the summer solstice, due to the tilt of the Earth's axis, the North Pole is closer to the Sun than the South Pole. However, paradoxically the Earth is at its furthest point from the Sun (aphelion).
That is why on June 21st, the sun is visible for 24 hours and the next days (the closer it is to the north pole) it will stay that way. Therefore, the inhabitants of this area can enjoy sunlight for a longer period.
On June 21, the North Pole receives 24 hours of daylight due to the tilt of the Earth's axis during the summer solstice.
This occurs because as the Earth turns on its axis, the axis is tilted in such a way that the North Pole is oriented towards the sun. This continuous illumination happens within the Arctic Circle, including the North Pole, where the sun does not set on this day, a phenomenon often referred to as the 'land of the midnight Sun'. Conversely, the South Pole experiences 24 hours of darkness during this time, as it is tilted away from the sun.
What do transitional fossils best support?
Answer:
evolution
Explanation:
transitional fossils show a transition in a species
Answer:
the Theory of Biological Evolution
Explanation:
yeah
How do the poles help cool the earth’s temperature?
Answer:
by the way earth moves.
Explanation:
It helps cool earth's temperature by the way the earth moves
Com a crise política econômica no sistema socialista soviético, agravada na década de 1980, vários movimentos separatistas ganharam força no Leste Europeu. Caracterize as mudanças ocorridas e d? sua opini?o sobre o tema
What is a partial solar eclipse definition?
Answer:
it's when the moon goes in the front of the sun, so it's in between the sun and earth, blocking the light
Why are some countries in Oceania often grouped with Southeast asia?
A: Sotheast asia wants to control as much land as possible.
B: The climate of Southeast Asia is very similar to western Australia
C: There is a common language spoken throughout Oceania
D: Northern countries in Oceania have more in common with Southeast Asia
Answer:
Some countries in Oceania often grouped with southeast Asia because : A. There is little diversity in Oceania
Culturally, the Oceania Region is really similar to the countries that exist in South East Asia
Explanation:
Answer:
D: Northern countries in Oceania have more in common with Southeast Asia
Explanation:
Southeast Asia is made up of: Brunei, Cambodia, the Philippines, Indonesia, Laos, Malaysia, Myanmar, Singapore, Thailand, Timor-Leste and Vietnam.
Indonesia is considered a transcontinental country, located between Southeast Asia and Australia, so for some it is also considered a nation of Oceania.
What is the name of the harsh desert on the continent of asia?
Answer:
I want to say Mongolia but I didn't see the choices to pick from
Explanation:
Answer:
I would say the Gobi desert
Choose a landmark that was built in the last 250 years, such as Mount Rushmore, the Eiffel Tower, or the Statue of Liberty. How does this landmark represent our civilization? Just as we study the ruins and landmarks of ancient agrarian societies, what might the people of the future learn from our landmarks?
Answer:
Past is key to future and landmarks are ket sign and indicators.
Explanation:
Many landmarks have been built in the history of the earth such as the Mount Rushmore, Eiffel Tower, Statue of Liberty and many more the Burj Khalifa, and Berlin wall. Their basic construct was to put represent civilization like it's in Brazil statue of christ redeemer is know for peace and landmark of Stonehenge on easter island. It depicts a civilization's history and past experiences. landmarks as a way of identifying the place with some characteristics that the place has to offer to the future generation so as they can understand and learn from them. They are marked on the history of the earth's surface. Some are known for sacrifice, some for rituals, some for freedom and others to represent the amount of power or dominance.Why would an engineer most likely use topography maps in his or her work?
1) to find an area used for camping
2) to define a political boundary line
3) to determine the best location for a new road
4) to find the ideal place to hike on a mountain
Answer:
3) to determine the best location for a new road
Explanation:
Since the question indicates the person using the topography map is an engineer, we have to assume it's for a use related to work... otherwise the question would have said "someone".
1) to find an area used for camping
That's a valid use for a topography map, but not a work-related one.
2) to define a political boundary line
That's also a valid use of a topography map, but it wouldn't be used for that by an engineer, more like a politician since it would be about political border.
3) to determine the best location for a new road
YES. That's a valid use and it's a professional use related to an engineer, a civil engineer in this case.
4) to find the ideal place to hike on a mountain
Another valid use, but not specific to work.
Turns out, all four possible answers are valid uses of a topography map, but only one related to engineer work.
Answer:c
Explanation:
8 POINTS!!!
I meant to put this in HISTORY!!!
what was the overriding purpose of the territorial free homes league?
A)To force the government to expand the boundaries of oklahoma territory.
B) to force the government to forgive the land-purchase debts of farmers.
C) to force the government to supply farmers with free building materials for homes.
D) to force the government to supply new homes for settles residing in a territory.
The Territorial Free Home League, organized in February 1895 at Perry, Oklahoma Territory, lobbied for the repeal of portions of the acts that required settlers to pay for certain former Indian lands in Oklahoma.
Answer:
D
Explanation:
I hope this Helps
1. What is/are one of the environmental waste products of nuclear energy?
O A. Eutrophic water
O B. Greenhouse gases
O C. Radioactive isotopes
O D. Acid rain
acid rain would be the answer
Answer: Correct answer is Radioactive Isotopes.
The most significant waste products of nuclear energy is RADIOACTIVE ISOTOPES.
Radioactive isotopes waste are waste products containing hazardous radioactive materials that are harmful to humans, animals and the environment.
Although radioactivity decreases over time so these types of waste are stored in the appropriate facility to make them less harmful before being released to the environment. All radioactive waste disposal are being regulated by the government.
What crop failure caused the great famine in ireland
The failure of the potato plant is what caused the Great Famine in Ireland. The Great Famine is also known as the Potato Famine
Hope this helped!
~Just a girl in love with Shawn Mendes
Which is used to find the epicenter of an earthquake?
magnitude
seismic waves
seismograph
seismometer
Answer:
This number will be used to tell you how far your seismograph is from the epicenter of the earthquake. Measure the distance between the first P wave and the first S wave. In this case, the first P and S waves are 24 seconds apart.
answer: seismograph
Seismograph is used to depict the epicentre of an earthquake.
Answer: Option C
Explanation:
Seismograph gives the details of force and duration of earthquakes occurred. It consists of mass attached to fixed base. The mass remains constant and the base moves during earthquake.
Electric voltage obtained is recorded on paper, magnetic tape by transforming the motion of base with respect to mass. Seismograph has a seismometer which is a single unit recording device.
The igneous rock gabbro most likely formed
from molten material that cooled
(1) rapidly at Earth's surface
(2) slowly at Earth's surface
(3) rapidly, deep underground
(4) slowly, deep underground
Slowly, deep underground
The igneous rock gabbro is coarse grained and non-vesicular. Both characteristics show that it is an intrusive igneous rock. Intrusive igneous rocks are formed below Earth's surface and slowly (because they're underground). When rocks are intrusive, they are are non-vesicular (no air pockets) because the air has had the time to escape because of the slow cooling time period. Intrusive rocks are also coarse because crystals had the time to form in the rock during that longer cooling time.
Ps. extrusive igneous rocks form rapidly at Earth's surface and basically have tge opposite characteristics for the opposite reasons (ex: vesicular cause air had little time to escape)
What foreign country borders north dakota?
North Dakota borders Canada.
The statue of liberty is made of what metal
Answer:
The statue of liberty is made of copper, gold, steel, and cast iron. Mostly copper though so that is what the question is most likely asking for.
Explanation:
24. Palm trees and subtropical plants are commonplace in Land's End, England, whose latitude is the equivalent of Labrador in coastal Canada, where the local flora is subarctic. Which statement best explains why this apparent anomaly exists between North America and Europe? A) Labrador does not get enough rainfall to support the subtropical flora found in Land's End. B) Regions such as Labrador are actually colder than England because colder Arctic water flows down to eastern North America and warm water from the equator flows to England. C) Rainfall fluctuates greatly in England; rainfall is consistently high in Labrador. D) Labrador is too windy to support tall plants, such as palm trees. E) Labrador receives sunlight of lower duration and intensity than does Land's End.
Answer:
B) Regions such as Labrador are actually colder than England because colder Arctic water flows down to eastern North America and warm water from the equator flows to England
Explanation:
Even though Labrador and England are roughly on the same latitude, the climates in these two places are very different. The reason for this is the influence of the ocean currents on the climate. Labrador is influenced by dry and cold ocean currents, bringing in very cold weather conditions and harsh cold winds, thus not providing conditions for the growth of palm trees. On the other side of the Atlantic, England is influenced by warm and wet ocean current, the Gulf Stream. This brings in relatively small fluctuations in the temperature, with both the summer and the winter being mild and without extreme temperatures. Also, it brings in a lot of precipitation, so the palm trees manage to survive with only slight adaptations.
The presence of subtropical plants in Land's End, England and the subarctic flora in Labrador, Canada, despite being at the same latitude, is primarily due to the differing climate conditions caused by warm and cold ocean currents respectively - the warm Gulf Stream makes England warmer, while the cold Labrador Current cools down Labrador in Canada.
Explanation:The apparent anomaly where subtropical plants thrive in Land's End, England, while the local flora in Labrador, Canada (which is at the same latitude) is subarctic, is primarily due to ocean currents and global wind patterns. The best explanation in this case is that: Regions such as Labrador are actually colder than England because colder Arctic water flows down to eastern North America and warm water from the equator flows to the English region (option B).
The Gulf Stream, a warm ocean current originating from the Gulf of Mexico, flows along the east coast of North America and branches east towards Europe. This current brings warm water to the British Isles, which allows for warmer temperatures, despite the relative high latitude. On the other hand, Labrador, although at the same latitude, is influenced by the Labrador Current, which is a cold ocean current originating from the Arctic, thus making the region much colder.
These abiotic factors, in combination with local weather patterns influenced by geology and topography, play significant roles in the biodiversity and climate of regions even when they are at similar latitudes. Therefore, ocean currents and winds can have significant effects on the climate and subsequently the plant life that a particular geographical location can support.
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What country is the largest island in the caribbean
Cuba is the largest island in the Caribbean Sea (also called the Antilles Sea), belonging to the Republic of Cuba.
It should be noted that Cuba as a country, is actually an archipelago consisting of the Island of Cuba, the Isle of Pines and a large number of keys and small islets; where only the first two islands are considered suitable to support a permanently resident population.
Its climate is classified as humid subtropical, with two clearly defined seasons, the dry season (from November to April) and the rainy season (from May to October) and with fresh continuous breezes throughout the year. This is due to the elongated shape of the island and its position in the Caribbean, which facilitates the trade winds to flow throughout the territory.
The largest island in the Caribbean is Cuba, which is part of the Greater Antilles group of islands. The region has various other islands including the Dominican Republic, Puerto Rico, Bahamas, and Jamaica. It's a popular tourist destination due to its beautiful landscapes and pristine waters.
Explanation:The largest island in the Caribbean is Cuba. It's part of the Greater Antilles, a group of bigger islands in the Caribbean. Cuba has a variety of landscapes from mountains such as the Sierra Maestra mountains and the Escambray Mountains to fertile valleys that make up more than half of the island. It's surrounded by the pristine turquoise waters of the Caribbean, making it a popular tourist destination.
Other notable islands in the Caribbean include the Dominican Republic, Puerto Rico, Bahamas, Jamaica, Cayman Islands among others. These islands make up part of either the Greater or Lesser Antilles. The Lesser Antilles are smaller islands located in the eastern and southern region of the Caribbean.
The Caribbean region has a rich history marked by colonialism, plantation agriculture, and in the case of Cuba, a socialist revolution. It's also a popular tourist destination, with a powerfully growing cruise ship industry.
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Which phrases describe the prime meridian? Check all that apply.
is a line of longitude
runs parallel to the equator
connects the North and South Poles
is labeled at 90 degrees on a world map
divides the Western and Eastern Hemispheres
Answer:
is a line of longitude
connects the North and South Poles
divides the Western and Eastern Hemispheres
Explanation:
The imaginary lines that run vertically from the North to the South pole are referred to as lines of longitude. The Prime Meridian is the line of longitude having a value of 0 degrees on the globe.
Nevertheless, the Prime Meridian divides the world map into two equal halves; The Eastern and the Western hemispheres.
Answer:
The correct answers are 1, 3, and 5
Explanation:
Took the test on E2020
Which of the following best sums up current scientific thinking about the nature of dark energy?
Dark energy probably exists, but we have little (if any) idea what it is.
Dark energy is most likely made up of weakly interacting particles that do not interact with light.
Dark energy is the source of the mind weapon used by Sith Lords in Star Wars.
Dark energy most likely consists of a form of photons that we can't see or detect.
Answer:
its the first option.
Explanation:
We have not much idea of what Dark Energy is. It is believed to be the force that is behind the expansion of the universe.
Current scientific thinking posits that dark energy likely exists but its true nature is still largely unknown. Dark energy is hypothesized as the energy responsible for the accelerating expansion of the universe. Its exact properties and composition, however, remain a major unanswered question in astrophysics.
Explanation:The current scientific thinking about the nature of dark energy is that it probably exists, but we have little (if any) idea what it is. Dark energy is a hypothetical form of energy thought to be responsible for the observed accelerating expansion of the universe. Although we cannot directly observe dark energy, its existence and properties have been inferred from its effects on the universe's large-scale structure.
Some theories propose that dark energy is made up of weakly interacting particles, but these theories are less accepted than the explanation that dark energy is intrinsic to empty space itself, as put forward by Albert Einstein in his theory of general relativity. Unlike normal matter, dark energy does not clump or cluster, and its effects are only observable on cosmological scales. The nature of dark energy remains one of the largest unanswered questions in modern astrophysics.
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What percentage of all the land on the planet earth does africa cover?
Answer:
The answer is 20.3 percent.
Explanation:
Africa is one of the seven continents of the world. It is the second largest continent after Asia population wise. Also on the basis of land it covers on the planet Earth, Africa is the number second continent in the world. It occupies approximately 20.3 percent of the total land of the Earth whereas Asia covers 30% of the total land of the Earth. The area of Africa in Square Miles is approximately 11608000 which is 30065000 square kilometers. Africa consists of lands and islands.
What country has the most spoken languages
Answer:
Papua New Guinea
Explanation:
Papua New Guinea has the most languages, with 840 living languages. Indonesia comes in second, with 710 living languages. Third place goes to Nigeria, having 515 living languages.
Some of Europe’s major environmental issues are _____
Select all that apply
- depletion of the ozone layer
-increase in regional biodiversity
- loss of habitat
-pollution
-soil erosion
Answer:
pollution , soil erosion and loss of habitat
Answer:
loss of habitat depletion of the ozone layerpollution soil erosionExplanation:
Some of the environmental problems of the original highlighted as the presence of the loss and degradation o the habitat, air, and water pollution and the erosion of the soil are some of the problems that are associated with those of the western Europe. Industrial wastes and the rising population impacts the carbon footprint and major climate change issues including the stratospheric ozone depletion and the loss of biodiversity by the loss of habitats. Acidification and the forestland degradation and waste production and management are not taken care of. Rising urban stress puts more pressure on the resources of the country.