Two rocks are thrown directly upward with the same initial speeds, one on earth and one on our moon, where the acceleration due to gravity is one-sixth what it is on earth.

To find the velocity of each galaxy, you can use the Doppler effect, which allows us to measure the change in frequency or wavelength of light emitted by the moving objects.

By analyzing the redshift or blueshift of the light, we can determine the galaxy's velocity relative to us.

The Doppler effect is a physical phenomenon that occurs when there is relative motion between a source of waves, such as light or sound, and an observer.

When the source and observer are moving towards each other, the waves are compressed, resulting in a shorter wavelength and a higher frequency. This is known as blueshift.

Conversely, when the source and observer are moving away from each other, the waves are stretched out, resulting in a longer wavelength and a lower frequency. This is known as redshift.

When it comes to galaxies, the Doppler effect can be used to determine the relative velocity of a galaxy with respect to our own Milky Way galaxy. By analyzing the light emitted by a galaxy, we can measure its redshift or blueshift and use this information to calculate its velocity relative to us.

This is done by comparing the observed wavelength of a particular spectral line in the galaxy's light to the expected wavelength of that line in a stationary reference frame.

If the observed wavelength is longer than the expected wavelength, the galaxy is moving away from us and is said to be redshifted. If the observed wavelength is shorter than the expected wavelength, the galaxy is moving towards us and is said to be blueshifted.

The velocity of a galaxy can be expressed in terms of its redshift or blueshift using the formula v = cz, where v is the velocity, c is the speed of light, and z is the redshift or blueshift.

This formula is known as Hubble's law, named after the astronomer Edwin Hubble, who first discovered the relationship between the redshift of galaxies and their distance from us.

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Answer:

adaptation

Explanation:

Answer:

that's the answer pls brainliest

Answer:

One meaningful advantage of free enterprise is flexibility.  In a free enterprise system, workers can change careers and start a new business at any time. Also, individuals can attempt to launch new ventures to capture untapped markets and meet new demands as they arise.

Explanation:

Answer:

Right to work states are states that protect workers from being fired for not paying union dues. This encourages buisness investments

Answer:

Latitude is the measurement of distance north or south of the Equator. It is measured with 180 imaginary lines that form circles around the Earth east-west, parallel to the Equator. These lines are known as parallels.

Explanation:

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Between tokyo and seattle "Seattle" would be safer to live in if you wanted to avoid earthquakes.

When considering the safety from earthquakes, Seattle is generally considered to be safer than Tokyo. Seattle is located in the Pacific Northwest region of the United States, which is relatively less prone to seismic activity compared to Japan.

The region is situated on the North American Plate, and while it does experience some earthquakes, they are typically less frequent and less severe than those in Japan.

Tokyo, on the other hand, is located in an area of high seismic activity. It lies on the Pacific Ring of Fire, where several tectonic plates converge, leading to a higher risk of earthquakes.

The city has experienced devastating earthquakes in the past, and it continues to be susceptible to seismic events.

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FULL QUESTION: Between tokyo and seattle, which city would be safer to live in if you wanted to avoid earthquakes? (choose the best answer)

a) Tokyo

b) Seattle

Answer:

A wave is a physical phenomenon characterized by its frequency, wavelength, and amplitude. In general, waves transfer energy from one location to another, in which case they have a velocity.

Collapse is a concern when fighting fires in exterior stacked or piled class a materials.

Stacks and piles of materials, little unconnected constructions, and trash cans are all potential places for outside fires. Hazards resulting from these fires include damage to neighbouring buildings, flammable/combustible containers, parked cars, and vegetation.

The kind of material involved, the weather, and the kind and amount of extinguishing agent you employ will all have an impact on how you put out these flames. Failure will happen as a building is attacked by fire. Localized internal collapse could be the beginning.

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ENIAC computer was created as a tool to assist artillerymen in calculating shell trajectories during the height of World War II.

Despite starting to be built a year before D-Day, the computer wasn't turned on until November 1945, by which time the American Army's artillery had stopped firing. However, once the Cold War got underway, the military continued to utilize ENIAC extensively. The first hydrogen bomb's 17,468 vacuum tubes were put to use by the machine's designers, who need a means to evaluate the viability of their early ideas.

One of the first computers ever created was the ENIAC (Electronic Numerical Integrator and Computer). The Ballistic Research Laboratory of the United States Army largely used ENIAC to compute artillery firing tables. On December 10, 1945, the computer went into operation. A trajectory might be calculated by ENIAC in 30 seconds as opposed to 20 hours by a person.

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The statement that does NOT correctly describe current population trends is D. "The primary reason for the decrease in population growth rates around the world is a rise in the death rate associated with an increase in civil wars."

Option D incorrectly associates the decrease in population growth rates with a rise in the death rate caused by an increase in civil wars. In reality, the primary factors contributing to the decline in population growth rates globally are decreasing birth rates and increasing access to education and healthcare, particularly in developing countries.

The decrease in birth rates is attributed to various factors such as improved contraception methods, women's empowerment, and socioeconomic development. While civil wars and conflicts can certainly impact population dynamics and cause casualties, they are not the primary reason for the overall decrease in population growth rates observed worldwide.

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Answer:

natural/physical boundary

Explanation:

Answer:

A

Explanation:

good :

less of a drain on family and country resources

bad:

prince / princess culture of some spoiled children

good :

might making for a stronger civil and military society if children become adults who were doted on, wanted, and well raised

Answer:

If the mouse is taken away the snakes will either eat something else or will die out as well.

Explanation:

Answer:

Snakes would have to work harder to get food as mice are their main food source. Causing many to eventually starve to death, hindering the population of them

Explanation:

Answer:

Which country has the only tropical monsoon climate in Oceania?

Explanation:

The coastal area of northeastern Australia has a tropical wet climate and receives the highest annual rainfall in Australi

With the most annual rainfall in Australia, the coastal region of northeastern Australia has a tropical wet climate.

The islands of the tropical Pacific Ocean serve as the geographic hub of Oceania, often called Oceanica. The three subregions of Oceania—Melanesia, Micronesia, and Polynesia—as well as Australasia and the Malay Archipelago—are all considered to be part of Oceania, according to differing viewpoints.

The phrase is occasionally used more explicitly to refer to a continent that includes Australia and nearby islands, or it may be used to refer to either the Australasian ecoregion or the Pacific ecozone biogeographically.

In Oceania, which includes Australia, there were approximately 12 million islanders as of the year 2000. Through extensive contact with non-Oceanic tribes who had migrated from various regions of the Western world, many indigenous civilizations underwent a radical change.

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Ocean basin will be created at the location as underwater tectonic plates move away and hot molten rock rises up from earth's mantle. The right answer is b.

An ocean basin is a large depression or basin on the Earth's surface that is filled with seawater. Ocean basins are the vast, deep regions of the Earth's oceans that make up the majority of the Earth's surface. Ocean basins are typically characterized by their expansive size, reaching great depths and covering extensive areas.

The ocean basins are formed through a combination of tectonic processes, such as seafloor spreading and subduction, along with the accumulation of sediment over time. Ocean basins are critical components of Earth's water cycle, climate regulation, and the global distribution of heat and nutrients.

The correct answer is option b.

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The question seems incomplete. The complete question is:

An event at a certain location is described below. underwater tectonic plates move away from each other and create gaps through which hot molten rock rises up from earth's mantle. this molten material solidifies as it cools. which landform will be created at the location?

a. mountain range

b. ocean basin

c. valley

d. volcano

pCO2 and pH are negatively correlated. This means that as pCO2 increases, pH decreases, and vice versa.

This is because carbonic acid (H2CO3) is formed when carbon dioxide (CO2) dissolves in water, increasing the acidity of the solution and lowering the pH.

In other words, when pCO2 rises, so does the concentration of H2CO3, which dissociates into hydrogen ions (H+) and bicarbonate ions (HCO3-). The pH of the solution decreases as the concentration of H+ ions increases.

This relationship is significant in many natural processes, such as ocean acidification, where rising pCO2 levels in the atmosphere cause a drop in seawater pH, which can harm marine creatures and ecosystems.

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Answer:

Nuts AHAHA

Explanation:

Yes, Density is directly related to the mass and the volume. In fact, it tells us of the exact relationship between the two. To find an object's density, we take its mass and divide it by its volume

Answer:

Answer Wiki. Since hardness measurement involves only surface of the material, bulk density of the material does not have any explicit relation with the hardness. Materials are usually subjected to microstructural and/or chemical changes in the surface by carbiding, nitriding and other processes, many times by cold working.

Explanation:

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Answer:

yes

Explanation:

Answer:

Both volcanoes and earthquakes occur due to movement of the Earth's tectonic plates. They are both caused by the heat and energy releasing from the Earth's core. Earthquakes can trigger volcanic eruptions through severe movement of tectonic plates.

What are the causes of earthquake?

An earthquake is caused by a sudden slip on a fault. The tectonic plates are always slowly moving, but they get stuck at their edges due to friction.

What are the causes of a volcano?

On land, volcanoes form when one tectonic plate moves under another. Usually a thin, heavy oceanic plate subducts, or moves under, a thicker continental plate. When this happens, the ocean plate sinks into the mantle.

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Answer:

releases energy that warms earth answer

The sun is the major source of energy for all life on earth. It's due to the nuclear fusion that takes place inside the sun core which is responsible for the warmth and light.

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Answer:

planarians, many annelid worms including polychaetes and some oligochaetes, turbellarians and sea stars, fungi and plants

Answer:

Saul became king, David became king and expanded, Solomon son of David built the Temple, Israel split, ruled by Jeroboam in Israel and Rehoboam son of Solomon in Judah, then Assyrians invade Israel, then Babylonians invade Judah(Israel)

Answer:

Explanation: correct!

Answer:

The term "Lowlands" mainly refers to the Central Lowlands. However, in normal usage it refers to those parts of Scotland not in the Highlands (or Gàidhealtachd). The boundary is usually considered to be a line between Stonehaven and Helensburgh (on the Firth of Clyde).The Lowlands cover roughly the latter two.

The highlands provide many ecosystem services for the rest of the State, which is why it is so vitally important that we work hard to preserve the land. Ecosystem services are those intangible functions that ecosystems provide, a whole greater than the sum of its part.

The more fertile lowlands offer much better opportunities for arable and pastoral farming than the highlands - this creates jobs and helps boost the local economy.

disadvantages of lowlands are that the chances of flood is higher in plains, in plain disasters like twisters is common without mountains to prevent such disasters from happening, disasters are more in plain area than any other area, soil erosion may occur mainly in plain region, in plain population is the highest which result in more pollution.

The disadvantages of the highlands is that the mountain is a physical barrier to both communication and transport network, mountain is the cause of rain shadow effect, which may moderate dry climate after some time, mountain can erupt if it's volcano and cause lose of fauna and flora species on the place.

Answer:

What's the output of a system modeled by the function ƒ(x) = x5 – x4 + 9 at x = 2?

Please Help

A)

24

HURRY

Dr. Khan works for the marketing department of a company that manufactures mechanical toy dogs. Dr. Khan has been asked to assess the effectiveness of a new advertising campaign that is designed to be most persuasive to people with a certain personality profile. She brought four groups of participants to the lab to watch the video advertisements and to measure the likelihood that they would purchase the toy, both before and after watching the ad. The results of Dr. Khan’s study are presented below.

Part A

Explain how each of the following concepts applies to Dr. Khan’s research.

Survey

Dependent variable

Big Five theory of personality

Part B

Explain the limitations of Dr. Khan’s study based on the research method used.

Explain what Dr. Khan’s research hypothesis most likely was.

Part C

Use the graph to answer the following questions.

How did the trait of agreeableness affect how people responded to the new ad campaign?

How did the trait of conscientiousness affect how people responded to the new ad campaign?

carbon dioxide from air and water from the soil .

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