Radiation fog is a kind of fog that occurs in calm and clear nights. It occurs due to the radiational cooling of the Earth's surface. It is also called ground fog or valley fog. Radiation fog forms when the air temperature drops to the dew point at the surface.
The formation of radiation fog depends on several factors that include humidity, clear skies, and the absence of wind. High humidity leads to a more likely chance of radiation fog forming. Additionally, clear skies are essential for radiation fog to form because the cooling of the earth's surface occurs at night, and clouds can prevent this cooling effect. Wind is another factor that affects the formation of radiation fog.
It has been observed that a small amount of wind prevents the formation of radiation fog because it keeps the air moving, allowing it to remain mixed and the temperature of the surface does not drop enough for fog to form.So, the most conducive situation for the formation of radiation fog is the presence of high humidity, clear skies, and the absence of wind. This type of fog is common in the autumn and winter months when temperatures are lower, and the air is more likely to be humid.
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Latitude and longitude coordinates are used by Geographers to ____________ places on Earth. • Coordinates provide an _____________Location (so do _________________) – Latitude – the lines that run _____________ on a map or globe that measure north or south of the ____________. – Longitude – the lines that run up and down on a map or globe that measure ____________ of the _________________
Answer:
Blank 1. Find
Blank 2. Specific
Blank 3. n/a
Blank 4. Horizontaly
Blank 5. Equator
Blank 6. East and West
Blank 7. Prime Meridian
Explanation:
Hey the last 2 blanks were confusing just wanted to let you know that longitude are vertical lines that separate the world in East and west with the prime meridian
What can a biodiversity index or survey indicate about an ecosystem's health and resiliency to change?
Answer:
Sometimes, when one species is removed, the ecosystem does not respond in such ... role of biodiversity in ecosystem resilience using the metaphor of the house of cards. ... We can hope that climate change will be relatively mild and easy to adapt to. ... It is not the intent of this course to tell you what your views should be.
Explanation:
1. What causes melting at a hotspot?
2. Describe how the Hawaiian hotspot formed a chain of volcanoes.
1) Well, once again, if you imagine that a volume of rock from great depth is moving upward until it gets to that level, it's undergoing a substantial amount of decompression. And because of that decompression, it starts to melt here. We get partial melting that forms magma and magma rises through the lithosphere, and erupts at the surface.
2) Under the Hawaiian Islands, there is a volcanic “hot spot,” a hole in the Earth’s crust that allows lava to surface and layer. Over millions of years, these layers form mountains of volcanic rock that eventually break the surface of the Pacific Ocean, forming islands. As the Pacific Plate very slowly moves across the hot spot, new islands are formed.
-Brainiest if correct? Thanks.
what is environment ? what are its types?
Meaning and Definition:
The term environment has been derived from a French word “Environia” means to surround. It refers to both abiotic (physical or non-living) and biotic (living) environment. The word environment means surroundings, in which organisms live. Environment and the organisms are two dynamic and complex component of nature. Environment regulates the life of the organisms including human beings. Human beings interact with the environment more vigorously than other living beings. Ordinarily environment refers to the materialsand forces that surrounds the living organism.
Environment is the sum total of conditions that surrounds us at a given point of time and space. It is comprised of the interacting systems of physical, biological and cultural elements which are interlinked both individually and collectively. Environment is the sum total of conditions in which an organism has to survive or maintain its life process. It influences the growth and development of living forms.
In other words environment refers to those surroundings that surrounds living beings from all sides and affect their lives in toto. It consists of atmosphere, hydrosphere, lithosphere and biosphere. It’s chief components are soil, water, air, organisms and solar energy. It has provided us all the resources for leading a comfortable life.
1. According to P. Gisbert “Environment is anything immediately surrounding an object and exerting a direct influence on it.”
2. According to E. J. Ross “Environment is an external force which influences us.
Thus, environment refers to anything that is immediately surrounding an object and exerting a direct influence on it. Our environment refers to those thing or agencies which though distinct from us, affect our life or activity. The environment by which man is surrounded and affected by factors which may be natural, artificial, social, biological and psychological.
Components of Environment:
Environment mainly consists of atmosphere, hydrosphere, lithosphere and biosphere. But it can be roughly divided into two types such as (a) Micro environment and (b) Macro environment. It can also be divided into two other types such as (c) Physical and (d) biotic environment.
(a) Micro environment refers to the immediate local surrounding of the organism.
(b) Macro environment refers to all the physical and biotic conditions that surround the organism externally.
(c) Physical environment refers to all abiotic factors or conditions like temperature, light, rainfall, soil, minerals etc. It comprises of atmosphere, lithosphere and hydrosphere.
(d) Biotic environment includes all biotic factors or living forms like plants, animals, Micro-organisms.
Where in Arizona is the shield exposed?
In Arizona, the shield is exposed in the Salt River Canyon.
What does a shield mean in geography?A shield is an exposed area of Precambrian crystalline igneous and high-grade metamorphic rocks that form tectonically stable areas. [1] These rocks are older than 570 million years and have been dated to between 2 and 3.5 billion years.
They have been relatively unaffected by tectonic events since the end of the Precambrian, and they are relatively flat regions with minor mountain building, faulting, and other tectonic processes compared to the activity at their margins and between tectonic plates. Shields can be found on all continents.
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How can cold ocean currents affect coastal lands near the ocean?
Answer:
1. The coastal erosion
The activity of ocean waves and ocean currents can lead to the coastal erosion where this activity is a continuous erosion of coastal land through the waves and ocean currents. This natural phenomenon can also result in the descent of land so that the land appears lower than the oceans. Of course, this phenomenon can increase the risk of the overflowing sea water to the mainland (flood).
2. The shrinking of coastal region
The first real impact on coastal erosion is the shrinking of the coastal region. The activity of the sea waves that hit the coastal area can continuously take off about 5-10 meters from the beach.
In addition, the continuous abrasion that hit the coast will also inundate areas that were once a residential population or tourism sector. This is very detrimental and endangers the sustainability of the population and business in the tourism sector. Read more about Main Elements in Ocean Water
3. The damage of Mangrove Forest
The damage of mangrove forests also has the potential to increase the risk of coastal erosion. If mangrove forests have been damaged, the coastal abrasion can no longer be mitigated. The damage of mangrove forests usually occurs during the hurricane season.
The destruction of mangrove forest can also occur due to the massive sand mining in high intensity. If the balance of the ecosystem has been damaged, and the sea has lost its sand supply. Both of these need to be addressed more intensively to reduce the risk of coastal erosion.
4. No more habitat for fishes
It is not only humans who do not have the shelter, the erosion of coastal areas can also cause fish on the coast to lose their habitat.
if the coral reefs mined to be used as souvenirs. The fishes are along the shoreline will lose their habitat, because of the predatory threats, the unsuitable of the sea water temperatures and the big of sea waves. The worst thing is, these fishes will die and it can certainly harm fishermen who want to catch the fishes. Read more about Fishes in Atlantic Ocean
5. The global warming
The global climate can also increase the potential of the abrasion on the shorelines. The increasing of the temperature of the earth can melt the poles where this causes an increase in the sea level rise. This rising sea level is the cause of the abrasion on the shorelines.
This climate change can also cause the high waves and storms. The climate change also can reduce the number of the fishes and shrimps populations in the sea. Read more about How to Reduce Global Warming Effects in Ocean
6. The sand mining on the shorelines
Abrasion on the shoreline can also occur due to human intervention. Some people legally mine on the sand on the coastal areas upstream that empties into the coastal area. This sand mining activity will make the coastal position lower than the sea. The result of abrasion of the sand mining can also erode the coastal areas for as far as tens of kilometers.
In addition, due to sand mining also impact on the village road because it will suffer damage. Roads in the village of manufacture are not as solid as the highway. While the vehicle carrying sand every day through the village. This heavy vehicle that causes the road to the village to be damaged.
7. The construction on the adjacent coastal areas
Who does not like to travel beach, surely everyone likes it, right? Every time that we visit the beach we also find many hotels or residential areas nearby the shorelines. This human factor is the one that influences of coastline changes. The construction of settlements and tourist attractions can lead to more severe abrasion. Read more about Impact Factor of Ocean and Coastal Management
Especially with the rising of the several tourism accommodation developments such as hotels, resorts and villas are also the main cause of abrasion. If the development around the coast is not restricted, the water will overflow and it can enters. Even it can destroy the residence of some residents who live at the coastal areas.
8. The construction of ponds that do not productive and conducive
Deforestation of mangroves is usually done to be converted into ponds. Even sometimes the land used to build a pond is not productive and conducive. This is what causes the pond area will have a negative impact on the coastline.
Gradually abrasion will erode coastal areas, even this phenomenon can destroy homes and even turtle conservation sites in it. The unconsciousness of the community about the dangers of unproductive pond land is a big problem. Until now the ponds are located in an environment that is not conducive is still a pro and cons in the society.
pls help me will mark brainliest!!!
Answer:
a or b!!
sorry, hope it helps though!
There is extreme variation in temperature during day and night in the deserts. Give reasons
Deserts have low humidity, which means that they do not retain heat very well. During the day, the sun heats up the surface of the desert quickly, but as soon as the sun sets, the heat rapidly escapes into the atmosphere due to the lack of humidity and cloud cover. This causes the temperature to drop dramatically, leading to extreme temperature variations between day and night. Additionally, deserts are often located in areas with high atmospheric pressure, which further enhances the temperature difference between day and night.
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Which word below is best defined by this definition?
The density of the air, which varies at different altitudes. The higher the altitude, the less dense the air.
Propulsion
Density Altitude
Friction
Payload
Magnitude
Plz help...!!!!
Answer:
magnitude.
Explanation:
hope this helps
Areas of volcanic activity that are not located at plate boundaries and do not change position are called____.
Areas of volcanic activity that are not located at plate boundaries and do not change position are called hotspots.
Hotspots are regions of volcanic activity that are not near plate boundaries and do not move. In forming the surface of the Earth, volcanic activity has been largely responsible. Volcanism, particularly in the western states, is responsible for much of the land's natural beauty, mineral wealth, and soil fertility.
In volcanic activity the volcanic rocks blanketed nearly all of the western states of Washington, Oregon, California, Nevada, Arizona, Utah, Idaho, and major areas of Montana, Wyoming, Colorado, New Mexico, and Texas at some point in the last 70 million years. Even older volcanic rocks, which have been significantly deformed and metamorphosed, can be found in practically every state.
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What is inside the top of disneyland’s matterhorn bobsled coaster?.
Answer:
There IS a basketball court in the Matterhorn!
which of the activities listed below could help limit global warming by slowing the increase in atmospheric carbon dioxide levels? select all that apply.
The activities that could help limit global warming by slowing the increase in atmospheric carbon dioxide levels are:
a. replacing fossil fuels with nuclear energylimiting soil erosion so organic matter takes longer to decomposed. choosing a fuel-efficient car, or bicycling to school or worke. using more electrical appliances and carsWhat is global warming?Global warming can be described as the situation nwhereby the temperature of the earth becomes increased whereby the temperature as well as theatmosphere of the earth become abnormal.
Itr should be noted that this is not good but can be reduced with the above measures such as stoping the usage of fossils.
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complete question;
Which of the activities listed below could help limit global warming by slowing the increase in atmospheric carbon dioxide levels? View Available Hint(s) Select all that apply. a. replacing fossil fuels with nuclear energy b. burning vegetation to clear land for agriculture c. limiting soil erosion so organic matter takes longer to decompose d. choosing a fuel-efficient car, or bicycling to school or work e. using more electrical appliances and cars f. cutting down forests to build houses
why does the eclipse seem to travel from one place to another?
The moon also seems to orbit Earth in a counterclockwise direction when seen from this point in space. The total solar eclipse's shadow moves across the surface of Earth from west to east due to the moon's circular motion.
The orbit of the Moon, our planet's natural satellite, is well recognized. When the Moon passes between the Sun and the Earth throughout its recurring cycle, it prevents the Sun's light from reaching the planet.
The planet is then covered in a thick shadow. But during a total solar eclipse, we can observe the Moon's actual motion as it moves from west to east across the face of the Sun.
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Mudstone and shale are not split into two rock types by some geologists. Geologists that do classify them differently do so because mudstone has more ______ than the typical shale.
Mudstone and shale are often seen as two very similar rock types and some geologists do not classify them separately. However, geologists that do classify them differently generally base their decision on the amount of clay present in each rock type.
Mudstone typically has a higher amount of clay than shale and is considered to be a more clay-rich sedimentary rock. This is because mudstone is made from very fine-grained sediment which has been compacted and hardened into a solid. In contrast, shale is made from silt and fine sand-size particles which are generally less clay-rich than mudstone.
As a result, when looking at the two rocks in thin section, mudstone is much more clay-rich and has a higher clay content than shale. This difference in clay content is what allows geologists to differentiate between mudstone and shale.
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over land, about % of the water that reaches the atmosphere evaporates from the surface of through a process called .
This process is called Evapotranspiration where the water reaches the atmosphere.
What is Evapotranspiration?
Evaporation plus transpiration equals evapotranspiration.
Water evaporates from the land, and surfaces, and transpires, or is released, from plants, and returns to the atmosphere as the sun heats the Earth's surface. The term for this combined process is evapotranspiration.
Evapotranspiration can be viewed as precipitation's antithesis: Evapotranspiration is water that departs the land surface and returns to the atmosphere as water vapour, as opposed to water falling from the atmosphere to the land. Evapotranspiration water eventually condenses in the sky, forms clouds, and precipitates back to the Earth in other places.
The second-largest part of the water cycle, Evapotranspiration, provides crucial data for managing water on a bigger scale as well as deciding how much irrigation water to apply to areas.
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By comparing the quantities of unstable and stable atoms in a fossil, what can a scientist conclude
about the fossil?
Answer:
By measuring the quantity of unstable atoms left in a fossil and comparing it to the quantity of stable daughter atoms in the fossil , scientists can estimate the amount of time that has passed since that fossil formed.
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find the area of the circle. the radius 6 cm
Answer:
A≈113.1cm²
Explanation:
Solution
A=πr^2=π·6^2≈113.09734cm²
How does earth's geography affect weather and climate.
Answer:
Geography affects the weather in many ways. ... Topographical features like mountains affect the weather mostly in the way that they direct air currents. For example, air is forced to rise over mountains. Moist air will cool as it rises, and then the clouds release the water, causing precipitation like rain or snow.Oct 17, 2017
Explanation:
U just have to go and search about the question online
I need help please!
Please be quick!
Answer:
An accused person's fith amendment rights must be protected:Miranda and Arizona
Segregation is unconstitutional:Brown vs Board of Education
The US goverment must function within the rule of law as established in the Constitution: Mabury vs Madison
Explanation:
Miranda and Arizona - The prisoner or person that was accused rights must be protected.
Brown vs Board of Education- It ruled the laws of racial segregation in public schools and how it would be unconstitutional
Mabury and Madison- They established the power of judical review they could declare legislation.
Thriteenth Amendment: passed in 1865 and abolished slavery.
Nineteenth Amendment: made it possible for women throughout to vote and fought for by a group of activists called the suffragettes.
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A large sea wave produced by uplift, subsidence, or some other disturbance of the seafloor, especially by a shallow submarine earthquake, is a(n)?
A large sea wave produced by uplift, subsidence, or some other disturbance of the seafloor, especially by a shallow submarine earthquake, is a Tsunami.
Tsunamis are massive sea waves that are caused by uplift, subsidence, or other seafloor disturbances, particularly shallow undersea earthquakes. An earthquake that takes place underwater at the bottom of a body of water, particularly an ocean, is known as a submarine earthquake.
They are the main reason why tsunamis occur. The Richter scale or the Mercalli scale can be used to scientifically determine the magnitude. Understanding plate tectonics makes it easier to explain how submarine earthquake are caused. The tectonic plates that make up the Earth's surface, or lithosphere, have a thickness of about 50 miles on average.
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A map of Guyana , is drawn to a scale of 1:25,000. Find the length, in cm of a road, which represents a distance of 17 KM
25000 x 17
I think as specified by scale
A divide determines the direction a river flows. True or False
Answer:true
Explanation:the high point or ridge that determines the direction that determines the direction that rivers flow.
what is the basic tenets offracture mechanics.
The basic tenets of fracture mechanics can be summarized as follows: Fracture toughness, Stress concentration, Crack propagation, Fracture modes and Failure criteria
Fracture mechanics is a branch of engineering that studies the behaviour and failure of materials under stress, particularly when cracks and other flaws are present.
Fracture toughness: This is a measure of a material's capacity to withstand crack propagation.Stress concentration happens when the stress levels are greater near the tip of a fracture or other defect. Crack propagation: A crack propagates when it expands as a result of applied stress. Fracture modes: Depending on the type and orientation of the crack, fracture can occur in a variety of modes. Failure criteria are used to forecast when a material will fail owing to the existence of cracks or other flaws.For such more question on fracture:
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Climate normals are defined by the statistics of the weather as summarized by which of the following?
Statistics are averaged over one season which is typically three months to define the climate normal.
Statistics are averaged over a 30-year period to calculate the climate normal. The current period being used by NOAA is 1981-2010.
Statistics are averaged over a 30-year period to calculate the climate normal. The current period being used by NOAA is 1971-2000.
Statistics are averaged over a 50-year period to calculate the climate normal. The current period being used by NOAA is 1951-2000.
Climate normals are defined by the statistics of the weather as summarized by averaging over a 30-year period. The current period being used by NOAA is 1981-2010.
Climate normalsClimate normals are defined by averaging weather data over a 30-year period to represent the typical climate conditions for a specific location.
These statistics include parameters such as temperature, precipitation, humidity, wind patterns, and other relevant variables. The National Oceanic and Atmospheric Administration (NOAA) uses a specific period, 1981-2010, as the reference period for calculating climate normals in the United States.
These normals provide a baseline for comparing and understanding current weather conditions and long-term climate trends. They are regularly updated to reflect changing climate patterns and are essential for various applications, including agriculture, infrastructure planning, and climate research.
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what is the capital of Combodia?
Answer:
Phnom Penh
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A hula hoop has a mass of 1.5 kg, a moment of inertia of 2.16 kg*m2, and a radius of 0.060 m. if it rolls down your driveway without slipping at a linear speed of 4.0 m/s, what is its total kinetic energy?
The total kinetic energy of the hula hoop rolling down the driveway without slipping at a linear speed of 4.0 m/s is approximately 4,457.54 Joules.
What Is Kinetic Energy? It's Applications.
Kinetic energy is the energy of an object due to its motion, measured in joules (J), and it has applications in physics, engineering, sports, renewable energy, and transportation.
Transnational kinetic energy refers to the energy associated with the linear motion of an object. It is the kinetic energy resulting from the object's transnational velocity.
Rotational kinetic energy refers to the energy associated with the rotational motion of an object. It is the kinetic energy resulting from the object's rotational velocity and moment of inertia.
To calculate the total kinetic energy of the hula hoop, we need to consider both its transnational kinetic energy and rotational kinetic energy.
Transnational kinetic energy (KE_trans) is given by the formula:
KE_trans = (1/2) x m x v\(^2\)
where:
m = mass of the hula hoop
v = linear speed of the hula hoop
In this case, the mass of the hula hoop is given as 1.5 kg, and the linear speed is 4.0 m/s. Plugging in these values:
KE_trans = (1/2) x 1.5 kg x (4.0 m/s)\(^2\)
= 12 J
Rotational kinetic energy (KE_rot) is given by the formula:
KE_rot = (1/2) x I x ω\(^2\)
where:
I = moment of inertia of the hula hoop
ω = angular speed of the hula hoop
The angular speed (ω) can be calculated using the relationship between linear speed (v) and angular speed (ω) for a rolling object:
v = ω x r
where:
r = radius of the hula hoop
Rearranging the equation:
ω = v / r
= 4.0 m/s / 0.060 m
= 66.67 rad/s (approximately)
Plugging in the values of moment of inertia (2.16 kg x m\(^2\)) and angular speed (66.67 rad/s):
KE_rot = (1/2) x 2.16 kg x m\(^2\) x (66.67 rad/s)\(^2\)
≈ 4,445.54 J
The total kinetic energy (KE_total) is the sum of transnational and rotational kinetic energies:
KE_total = KE_trans + KE_rot
= 12 J + 4,445.54 J
≈ 4,457.54 J
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What are the major causes of sea level rise? Explain how sea level has changed during the Pleistocene and the evidence for these changes. Describe two ways that changes in ice sheets and sea ice can affect climate.
The major causes of sea level rise are primarily attributed to two factors: thermal expansion of seawater and the melting of land-based ice.
1. Thermal Expansion: As the Earth's oceans absorb heat from the atmosphere, seawater expands and occupies more volume, leading to an increase in sea level.
2. Melting of Land-based Ice: The melting of glaciers, ice caps, and ice sheets on land contributes significantly to sea level rise. This includes the melting of ice in Greenland and Antarctica, as well as smaller glaciers around the world.
During the Pleistocene epoch, which began around 2.6 million years ago and lasted until approximately 11,700 years ago, there were multiple glacial-interglacial cycles. These cycles involved periods of extensive ice cover and subsequent melting. As a result, sea levels fluctuated significantly. During glacial periods, large amounts of water were locked up in ice sheets, causing sea levels to drop by several hundred feet. Conversely, during interglacial periods, when the climate was warmer, ice sheets melted, and sea levels rose. The evidence for these changes in sea level during the Pleistocene can be observed through various geological records, such as sediment cores, fossilized coral reefs, and shoreline features. For example, the presence of ancient coral reefs at higher elevations suggests that sea levels were once higher in those areas. Additionally, the analysis of deep-sea sediment cores can provide information about past sea level fluctuations and the composition of marine organisms that thrived at different water depths.
Changes in ice sheets and sea ice can have significant impacts on climate. Here are two ways these changes can affect climate:
1. Albedo Effect: Ice sheets and sea ice reflect a significant amount of sunlight back into space due to their high albedo (reflectivity). As ice melts and exposes darker surfaces like land or open water, the absorption of sunlight increases, leading to further warming. This positive feedback mechanism can amplify climate change.
2. Thermohaline Circulation: Melting ice from glaciers and ice sheets can introduce freshwater into the oceans, affecting the density and salinity of seawater. This alteration can disrupt the thermohaline circulation, a crucial global ocean current system that redistributes heat around the planet. Changes in this circulation pattern can influence regional and global climate patterns.
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In March 1958, fluorescent dye was injected into the northernmost of the Blue Sinks. It was detected 28 hours later in Sulphur Springs, on the Hilsborough River to the south (see sketch map). Use these data to calculate (show your work) the approximate velocity of flow in this portion of the Floridan Aquifer.
1. in feet per hour: ______
2. in miles per hour: ______
3. in meters per hour: ______
The approximate velocity of flow in this portion of the Floridan Aquifer is:
1. 5,657 feet per hour
2. 1.07 miles per hour
3. 1728 meters per hour.
To calculate the approximate velocity of flow in the portion of the Floridan Aquifer between the Blue Sinks and Sulphur Springs, we need to use the distance between the two points and the time it took for the dye to travel from the northernmost of the Blue Sinks to Sulphur Springs.
1. To calculate the velocity in feet per hour, we first need to convert the distance between the two points into feet. Using the sketch map provided, we can estimate the distance to be around 30 miles. Converting this to feet by multiplying it by 5280 (number of feet in a mile), we get 158,400 feet. Dividing this by the time it took for the dye to travel (28 hours), we get a velocity of approximately 5,657 feet per hour.
Velocity (in feet per hour) = Distance/Time
Distance = 30 miles x 5280 feet/mile = 158,400 feet
Time = 28 hours
Velocity = 158,400 feet/28 hours = 5,657 feet per hour
2. To calculate the velocity in miles per hour, we simply divide the velocity in feet per hour by the number of feet in a mile (5280).
Velocity (in miles per hour) = Velocity (in feet per hour) / 5280
Velocity (in miles per hour) = 5,657 feet per hour / 5280 = 1.07 miles per hour
3. To calculate the velocity in meters per hour, we need to convert the distance into meters (using a conversion factor of 0.3048 meters per foot) and the time into hours (using a conversion factor of 1/3600 hours per second). Then we can divide the distance in meters by the time in hours to get the velocity in meters per hour.
Velocity (in meters per hour) = (Distance x 0.3048) / (Time x 1/3600)
Distance = 30 miles x 5280 feet/mile x 0.3048 meters/foot = 48,280 meters
Time = 28 hours x 3600 seconds/hour = 100,800 seconds
Velocity = 48,280 meters / 100,800 seconds = 0.48 meters per second
Velocity (in meters per hour) = 0.48 meters per second x 3600 seconds/hour = 1728 meters per hour
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Ayo yo girl confused and sucks on science :D plz help..
Answer:
MAPS, GLOBE, PENGUIN, BLUEBERRY, KNOWLEDGE
Explanation:
Match the numbers
why do terrestrial planet cores contain mostly metal?
Answer:
The terrestrial planet cores contain mostly metal because O convection carried the metals to the core. O metals condensed first in the solar nebula and the rocks then accreted around them.
Terrestrial planet cores contain mostly metal because of the process of differentiation that occurs during the planet's formation. When a planet forms, it is initially a hot, molten ball of rock and metal.
As the planet cools, harder things like metal sink to the planet's core due to gravity, while lighter materials rise to the top. This is referred to as differentiation.
Metal that sinks to the planet's core eventually forms the core, while lighter materials create the mantle and crust. Because metal is denser than other components, it tends to sink more into the planet's core, resulting in a metal-dominated core.
This process is thought to have occurred during the formation of the Earth and other terrestrial planets in our solar system, which explains why their cores are largely made of metal, most commonly iron and nickel.
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