Answer:
A satellite (or any other celestial body) orbiting another massive body, can describe one of these types of orbits depending on its Orbital Total Mechanical Energy [tex]E[/tex]:
*[tex]E=0[/tex] when we talk about an open orbit in which the satellite escapes from the attraction of the planet's gravitational field. The shape of its trajectory is a parabola.
*[tex]E>0[/tex] when we talk open orbits, which are hyperbolic, being the kinetic energy [tex]K[/tex] greater than the Potential Energy [tex]P[/tex]
*[tex]E<0[/tex] when we talk about closed orbits, that is, the satellite will always be "linked" to the gravitational field of the planet and will describe an orbit that periodically repeats with a shape determined by the relationship between its kinetic and potential energy, as follows:
-Elliptical orbit: Although [tex]E[/tex] is constant, [tex]K_m[/tex] and [tex]P_m[/tex] are changing along the trajectory
-Circular orbit: When at all times both the kinetic energy [tex]K_m[/tex] and the potential [tex]P_m[/tex] remain constant, resulting in a total mechanical energy [tex]E[/tex].
In this context, in a circular orbit, no work is done by gravity on the satellite (or orbiting body), since it always acts perpendicular to the movement. However, in an elliptical orbit this is not fulfilled, because gravity force is not always acting perpendicular to the orbiting body.
Kinetic energy is a constant for a satellite in a circular orbit because the speed is constant, unlike in an elliptical orbit where the speed is changing.
Explanation:The reason why kinetic energy is a constant for a satellite in a circular orbit but not for a satellite in an elliptical orbit is because the speed is constant in a circular orbit, whereas it changes in an elliptical orbit. In a circular orbit, the satellite moves at a constant speed around the parent body, so the kinetic energy remains constant. However, in an elliptical orbit, the satellite moves at varying speeds as it gets closer to or farther away from the parent body, causing the kinetic energy to change.
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What are some examples of ‘Infrastructure" that you would find in the US and Canada (name 3 or 4)
Roads, bridges, mass transit systems, airports and sea ports, and water
You can drink water directly from streams and rivers. True or False
Should be false, this is usually not a good idea as though it is "fresh", it can still be contaminated. Technically though, you can, nothing is stopping you, it's just not recommended.
Pretty sure its false
If the translation (x, y) → (x – 5, y + 4) is applied to the pink point, which quadrant will the image be located in?
On the second cuadrant.
Why did the farmers of the constitution want to include checks and balances in the federal government
The answer is to make sure that one branch of government couldn't completely control the other branches of government
What is the form of government in each of the nations in this region? Dictatorship Republic Democracy Monarchy
the answer to this question is b
Answer:
B
Explanation:
How will humans be impacted by changes in the climate
This is the large-scale ocean water circulation driven by density differences due to the changes in surface water temperatures and fresh water fluxes.
what are we suppose to look for?
What does friction of distance refer to?
how is the concept of distance decay related to this?
The friction of distance is the principle that greater distance between places decreases the likelihood of interactions between them. Distance decay relates to this in that it describes a decrease in activity or interaction with increasing distance from a source. Both concepts reflect how distance can negatively impact interactions, seen in fields like logistics or urban planning.
Explanation:The friction of distance refers to the effect of distance on cultural or spatial interactions. The idea is that the greater the distance between two places, the less likely it is that people will travel or communicate between them, which creates a certain 'friction'. This notion of distance limiting interaction has important implications in fields such as logistics, urban planning, and geography.
Similarly, the concept of distance decay is linked to the friction of distance. Distance decay refers to the decrease in activity or function with increasing distance from the source. The further away one group is from another, the less likely it is that they will interact. This is due to the increasing cost (in time, effort, and money) associated with greater distances, which reflects the friction of distance.
To picture these two concepts, imagine trying to roll a ball uphill. As the hill (or the distance) gets steeper or longer, more effort (or friction) is required to roll the ball. Similarly, in human interactions, as the distance increases, the interaction decreases due to the increase in cost or difficulty, which represents the 'friction' and 'decay' of distance.
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Friction of distance refers to the declining likelihood of interaction between locations as distance increases, while distance decay describes the reduction in interaction intensity with greater distance. Both concepts are crucial in geographic analysis of human activities and urban development patterns.
In geography, friction of distance refers to the effect that distance has on interactions between locations. It implies that the farther apart two places are, the less likely they are to interact with each other. This concept is essential in understanding various geographic phenomena.
Friction of distance: This term encapsulates how increasing distance generally leads to a decrease in interaction. For example, people are more likely to shop at a nearby store than one far away.Distance Decay: This concept describes the diminishing interaction as distance increases. Essentially, it quantifies the effect of friction of distance. For instance, the influence of a city on its surrounding towns weakens as the distance from the city increases.Real-world example: Think about how often you visit friends or family who live far away versus those who live nearby. The likelihood of frequent visits decreases as the physical distance increases, illustrating both friction of distance and distance decay.Both friction of distance and distance decay help geographers analyze patterns of human activity, transportation, and urban development.
What could people do to DECREASE erosion of the Earth's surface? A) Cut down more trees. B) Use more land to plant crops. C) Allow natural vegetation to grow. D) Allow cattle to graze more often.
Answer:
C) Allow natural vegetation to grow
Explanation:
The erosion has been becoming bigger and bigger problem, especially when it comes to the soil erosion. The main reason as to why the erosion rates have skyrocketed is the human activity. In order to satisfy their own demands and needs, the humans have often been destroying the vegetation, which acts as a natural protector of the soil.
Without the natural protection that the vegetation provides, the soil becomes exposed to erosion, so any rain, wind, or disturbance to it causes rapid loss of the top layer.
The method to stop the erosion, or at least minimize it, is to simply allow the natural vegetation to grow. Once the vegetation starts to grow, it makes the soil more compact with its root systems and hold it tightly. The vegetation also absorbs most of the water, and it provides cover from the winds.
If the natural vegetation can't not recover because the soil has been damaged very badly, than the humans can assist by planting plants that don't require much in order to grow and that can sustain extremes. From the trees the wild pistachios and wild apricots are good choices. The succulents are also a good choice for soils that have been badly damaged, as well as lot of plants from arid or semi-arid places, as they can thrive in bad conditions. Later, these plants will give the basis for other plants to be bale to grow.
Hey there!
Your answer is C) Allow natural vegetation to grow.
A is incorrect because cutting down more trees increases erosion. Plants like trees reduce erosion by breaking the fall of a raindrop before it hits the ground.
This leads to D being wrong, since cattle eating the vegetation (grass) takes away the plants. Using more land to plant crops is incorrect because you have to clear the land before planting crops, and there is an amount of time where the land is bare, which increases erosion. By allowing natural vegetation to grow, the vegetation helps break the fall of raindrops thus decreasing erosion.
Hope this helps!
According to AL Jazeera, approximately what percentage of the deaths were civilians as of September 2015
25% of the civilians were killed in September 2015
According to AL Jazeera, approximately 25% of the civilians were killed in September 2015, in the Syrian War.
What was the Syrian War?The Syrian civil war is a multi-sided civil war in Syria that is being fought between the Syrian Arab Republic, led by Syrian President Bashar al-Assad, and various domestic and foreign forces that oppose both the Syrian government and each other in various combinations.
While sorting the victims by gender, age, and weapon type, the researchers discovered that women and children made up nearly a quarter of all civilians killed in the conflict. According to the data, children are more likely than adults to be killed by air bombardments, shells, and ground-level explosives.
Therefore, 25% of the civilians were killed in the conflict of Syria.
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What are the main temperature zones of the earth?
polar, temperate, and tropical. I hope this helps! :)
What factors influence the rate of population growth of eastern europe. Select all that apply
Economy, War/Peace with other countries, Importations and Exportations
Where did the original atmospheric oxygen come from
The correct answer is - cyanobacteria.
The atmospheric oxygen came from the cyanobacteria. These were one of the earliest living organisms on Earth. The cyanobacteria was using photosynthesis in order to create its own food. The photosynthesis process requires sunlight, carbon dioxide, water, and oxygen. The oxygen is mostly released as a waste product from the process of photosynthesis, thus the cyanobacteria were literally releasing oxygen that was ending up into the atmosphere. As more and more cyanobacteria there were across the planet, more and more oxygen they were releasing into the atmosphere, slowly changing the composition of the atmosphere, and setting the basis of it as we know it now.
On a geologic map, if the contacts between sedimentary rock units form a series of parallel lines, with the youngest unit in the center, the underlying structure is a ________.a. horizontal anticline
b. plunging anticline
c. horizontal syncline
d. plunging syncline
Plunging sync line is the answer
On a geologic map, if the contacts between sedimentary rock units form a series of parallel lines, with the youngest unit in the center, the underlying structure is a horizontal syncline.
Explanation:If the contacts between sedimentary rock units on a geologic map form a series of parallel lines, with the youngest unit in the center, the underlying structure is a horizontal syncline. A syncline is a downward fold in rock layers, and a horizontal syncline means that the layers are folded downward but remain flat. The parallel lines represent the layers of sedimentary rock forming concentric arcs around the fold axis.
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Look at the map above. Which of the following statements is true?
A. Cuba is located at number 1.
B. Jamaica is located at number 3.
C. Puerto Rico is located at number 2.
D. The Lesser Antilles are located at number 4.
Answer:
A.
Cuba is located at number 1.
Cuba is located number 1 of the following statements is true. Cuba is situated where the Atlantic Ocean, the Gulf of Mexico, and the northern Caribbean Sea converge. The correct option is A.
Although Cuba is considered to be a part of the North American continent, other regions of the region that we generally refer to as North America go by other names, such as Central America, Latin America, and the Caribbean. Cuba is situated north of Jamaica, south of the Cayman Islands, west of Hispaniola (Haiti/Dominican Republic), east of the Yucatán Peninsula (Mexico), south of the American state of Florida, and south of the Bahamas.
Thus, the ideal selection is option A.
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World wide the united states is ______in agricultural exports and _______in agricultural production.
World wide the united states is #3 in agricultural exports and #1 in agricultural production.
Why is understanding the hydrologic cycle so important to understanding how landscapes form?
The hydrological cycle is one of the few cycles on the planet that have very big influence on pretty much everything on the planet. This cycle is also very important in the formation of the landscapes on Earth. The reason for this is that the water, be it in liquid, gassy, or frozen condition, is heavily influencing the surface of the planet. The large bodies of water manage to erode the rocks that they come in contact with. The rivers, especially the larger ones, are living fertile deposits in their valleys, setting up the terrain for dense vegetation. They also transport material from one place to another. The rain, and the runoff from it, mange to weather, erode, and create shapes in the landscape. The high amount of water vapor in the air contributes to quick decomposition of the biomass, resulting in fertile soil etc. Those are some examples, and there are many more, which just shows us that understanding the hydrological cycles is crucial for understanding the formation of the landscapes on our planet.
Please help!! (This is a PLATO question by the way)
Blank 1: sulphur dioxide, methane, oxygen
Blank 2: carbon monoxide, nitrogen, carbon dioxide
Answer:
Blank 1 : Methane
Blank 2: Carbon dioxide
Explanation:
A rotting biomass would emit a huge proportion of methane. Microbes work on waste products and releases methane and other gases. Methane is the primary biogas obtained from a decaying biomass. Methane can be used as a source of fuel for both industrial and domestic purposes.
Burning of biomass would produce carbon dioxide to a large extent. Methane produced would fuel the burning process so as to release significant amount of carbon dioxide.
Based on the chart above, the countries with the lowest human development are located on which continent __________.
Without map:
Based on the chart above, the countries with the lowest human development are located on which continent AFRICA.
Best regards
Based on the chart above, the countries with the lowest human development are located on which continent Africa. Africa is known as the "Mother Continent" because it is the world's oldest inhabited continent.
Why development in Africa is so difficult?Degrading conditions in mining, construction, and industrial activities, overuse of pesticides and insecticides, and insufficient environmental, waste, and health management practices exacerbate Africa's environmental and social problems.
Thus, Climate change also causes leached soils and unreliable rainfall, limiting African agriculture. African nations appear to have more ethnic diversity than other poor countries around the world, which may make developing an interconnected economy more difficult.
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When you hit the ground after jumping, your knees are slightly bent instead of being straight. Explain how this compares to using flexible materials in buildings that may be hit by an earthquake.
the bending could help it from shaking real bad and could stop the beams from breaking
The bones of the body have to be strong for better functioning and performance of the body at the same time the body should be flexible. Similarly the foundation of any structure have to be strong and flexible at the same time.
Why flexible materials are used in buildings in earthquake prone areas?The joints and beams in the structure of buildings are constructed in such a way that in case of a seismic event the shocks and the shaking of buildings can be resisted by not letting the buildings to collapse.
The buildings do not collapse due to the flexibility of beams , which bends a little to resist from collapsing. This concept also relates to the bending of knees after hitting the ground while jumping. This disperse the sudden impact and force on several parts and helps in landing successfully.
Therefore, When you hit the ground after jumping, your knees are slightly bent instead of being straight is the same as the using flexible materials in buildings that may be hit by an earthquake.
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Which is accurate about the Grand Canyon, in Arizona: The Coconino Sandstone that forms one of the prominent cliffs of the canyon is the youngest rock layer known from Arizona and surrounding states. The canyon is wider at the top and narrower at the bottom because the river was wider when the region was wetter, and has narrowed as deserts spread recently. A great thickness of sedimentary rocks exists in Death-Valley-type faulted basins, which can be seen deep in the canyon in many places. The oldest rocks are on top, with younger ones beneath, as shown by all of the footprints being upside-down in the rocks of the canyon walls. The rock record of the
Answer:
I think the answer is E. A great thickness of sedimentary rocks exists in Death-Valley-type faulted basins, which can be seen deep in the canyon in many places.
Explanation:
Grand Canyon's geologic history is complex, with a blend of sedimentation, erosion, and tectonic activity. The rock layers follow the law of superposition with the oldest at the bottom. The width of the canyon is not solely due to an ancient, wider river.
Explanation:The Grand Canyon, located in Arizona, is characteristic of a multitude of rock formations and geologic history. The statement that the Coconino Sandstone is the youngest rock layer is not accurate. The rock layers in the Grand Canyon follow the law of superposition, meaning the oldest rocks are at the bottom and the younger layers are on top. The idea that the canyon is wider at the top due to an ancient, wider river is also misleading. Water did play a part in the shape of the canyon over time with erosion, but the canyon's broad shape also owes much to tectonic activity and a series of vast landslides.
The thickness of sedimentary rocks in the Grand Canyon certainly exists, but these are not typically visible in 'Death-Valley-type' faulted basins. The rock record of the Grand Canyon reveals a deep time history, much of which is represented by sedimentary rock layers. The rocks at the bottom of the canyon are indeed the oldest, dating back nearly 2 billion years, but not all footprints found in the rocks of the canyon walls are 'upside-down', the location and orientation of fossils and features like footprints depend on many factors, including the environment in which they were formed and the geologic history they have undergone since.
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How are rocks DIFFERENT from minerals? A) Rocks are a pure substance and minerals are all mixtures. B) Rocks have no physical or chemical properties similar to minerals. C) Rocks are made up of one or more minerals, but minerals are not made up of rocks. D) Minerals are made up of at least two rocks, but rocks are not made up of minerals.
The answer is C) Rocks are made up of one or more minerals, but minerals are not made up of rocks.
Let's look into the options one by one:
A) Rocks are a pure substance and minerals are all mixtures.
-This is false.
-The fact is the exact opposite, where rocks are mixtures of minerals while minerals are pure substance. For example, granite, a type of rock, is composed of quartz, mica and feldspar.
B) Rocks have no physical or chemical properties similar to minerals.
-This is false.
-As rocks are formed by different types of minerals, often can you find the properties of rocks similar to minerals especially when one mineral component is high.
C) Rocks are made up of one or more minerals, but minerals are not made up of rocks.
-This is correct.
-Most of the rocks are made up of more than one type of minerals given the minerals are mixed together or produced during different formation. We can therefore see that minerals are not made up of rocks but a component of rocks.
For example, the granite mentioned from above is formed when intrusive volcanicity occurs, when the magma cools down, more than a type of minerals are formed, putting together forming granite.
D) Minerals are made up of at least two rocks, but rocks are not made up of minerals.
-This is false.
-As from above, minerals are not made up of rocks, while rocks are made up of minerals.
Therefore the answer is C) Rocks are made up of one or more minerals, but minerals are not made up of rocks.
Hope it helps!
Rocks are different from minerals because rocks are composed of one or more minerals bonded together, while minerals are naturally occurring inorganic substances with distinct chemical compositions and crystalline structures.
Explanation:To answer the student's question on how rocks are different from minerals, option C is correct: Rocks are composed of one or more minerals, whereas minerals are not made up of rocks. Rocks can be a combination of different minerals such as in granite, which contains quartz, feldspar, and mica, or they can be composed of a single mineral. Minerals, however, are naturally occurring, inorganic substances with a specific chemical composition and crystal structure. For example, if you take a chunk of quartz and break it, you will still have pieces of quartz because it's a mineral with a specific composition. Meanwhile, rocks like granite, when broken down, reveal the individual minerals they are composed of.
Both rocks and minerals are fundamental in the study of geology and are crucial for understanding the Earth's crust. Igneous, sedimentary, and metamorphic are the three basic rock types, each formed differently through geological processes. Identifying the minerals that make up rocks is a key skill for geologists and helps in classifying and understanding how rocks have formed.
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Which portion of the Earth is believed to generate its magnetic field?
A. the mantle
B. the crust
C. the inner core
D. the inner and outer cores
I would C the inner core. The Earth's magnetic field is believed to be generated by electric currents in the conductive material of its core, created by convection currents due to heat escaping from the core.
Answer:
It cant be the Mantle or the crust, so it would be d
Explanation:
HOW WOULD THE CRUST AND MANTLE THE OUTSIDE LAYERS MAKE THE FORCE FIELD?
What important members joined the crew at Fort Mandan?
Toussaint Charbonneau, Sacagawea, Jean Baptiste.
Which statement best describes a characteristic of maritime polar air masses?
They occur mostly during the summer.
They form over water with cool, moist air.
They bring dense, heavy snow in the winter.
They have cool, dry air that forms over land.
Answer:
Hi,
They form over water with cool, moist air
Explanation:
Maritime polar air masses originate are formed over cold ocean currents.This air mass has less moisture content compared to maritime tropical air masses which are warm and moist.Maritime polar air masses can bring rain and snow to cover a very large area. This air mass can produce fog and a cloudy weather.The Pacific North west experiences this air mass regularly.
Best of Luck!
The statement that best describes a characteristic of maritime polar air masses is "They form over water with cool, moist air." Option B. This is further explained below.
What is maritime?Generally, maritime is simply defined as related to the sea, particularly in reference to seaborne commerce or naval concerns.
In conclusion, "They develop over water with chilly, moist air," is the finest description of a maritime polar air mass feature.
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What is the main reason people transitioned from foraging to agriculture?
desire to be sedentary
desire for more food variety
colonialism
population growth
What was the great advantage created by the building of the panama canal?
permits shippers of commercial goods, ranging from automobiles to grain, to save time and money by transporting cargo more quickly between the Atlantic and Pacific Oceans.
The great advantage created by the building of the Panama Canal was the significant reduction in travel distance, boosting international trade, and enhancing military strategy.
Advantages of the Panama Canal:
Shortened Travel Distance: The Panama Canal significantly reduced the travel distance for ships between the Atlantic and Pacific Oceans. This resulted in considerable time and fuel savings for commercial and military vessels.Economic Impact: The canal boosted international trade by providing a quicker route for transporting goods. This had a positive effect on the global economy and specifically benefited the economic interests of countries engaged in trade.Military Strategy: For the United States, the canal was crucial for military strategy and defense. It allowed for faster movement of naval ships between oceans, which was particularly important during times of conflict.Global Influence: Control of the Canal, until its handover in 1999, elevated the United States' strategic and economic influence in the region and globally.Why is the south pole the sunniest place on earth
It is because the sun reflects off the bright snow.
please make me the brainliest!
Where was the us embassy before jerusalem
The Act recognized Jerusalem as the capital of the State of Israel and called for Jerusalem to remain an undivided city. Its purpose was to set aside funds for the relocation of the Embassy of the United States in Israel from its location in Tel Aviv to Jerusalem, by May 31, 1999.
The US embassy in Israel was located in Tel Aviv before it was moved to Jerusalem in 2018.
Explanation:Before Jerusalem, the US embassy in Israel was located in Tel Aviv. The majority of countries, including the US, did not recognize Jerusalem as the capital of Israel until the US officially moved its embassy there in 2018. This move was highly controversial and had a significant impact on diplomatic relations in the region.
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The Hawaiian Islands formed over a stationary hot spot. This means that hot molten magma from deep within the mantle erupted onto the surface of the ocean floor, forming an underwater volcano, or seamount. As the volcano continued to grow, it eventually emerged above sea level, forming an island arc. The first island to form over the hot spot was Kauai Island. The island sits at the northernmost section along the chain, is now an extinct volcano, and contains the oldest rocks of the Hawaiian Islands. Maui is also an extinct volcano. It has much younger rocks than Kauai but older than the Big Island. Hawai'i is the southernmost island, has active volcanoes, and contains the youngest rocks of all the islands. By understanding that the Hawaiian Islands formed over a stationary hot spot, the youngest rocks are found on the actively-erupting Hawai'i island, and that rocks become progressively older as you move northwest helps support what theory?
Final answer:
The age sequence of the Hawaiian Islands supports the theory of plate tectonics, as the Pacific Plate has moved over a stationary hotspot to form a chain of islands, with the youngest rocks on the still-active Hawai'i island.
Explanation:
The progressive age of the rocks on the Hawaiian Islands from the oldest on Kauai to the youngest on the actively-erupting Hawai'i island is a key piece of evidence that supports the theory of plate tectonics. The islands were formed by a stationary hotspot over which the Pacific Plate has moved, creating a chain of volcanic islands. This process demonstrates how tectonic plates shift over time, with new land being formed as they move over mantle hotspots, which remain relatively fixed.
Mount Kilauea, Mauna Loa, and Maunakea are famous Hawaiian volcanoes that have formed over the hotspot. The Hawaiian chain, which is one of the most remote in the Pacific, consists of approximately 137 islands and atolls and extends about 1,500 miles.