Answer:
It's B
Explanation:
What is the m<1?
A- 100
B-50
C-90
D-40
From the image or diagram given, note that the measure of angle 1 is also 100°.
How is this so?The theorem that supports the relationship between the measure of an arc and the measure of the central angle is known as the Central Angle Theorem.
According to this theorem,the measure of a central angle in a circle is equal to the measure of the arc it intercepts.
This theorem is based on the fact that in a circle,the ratio of the arc length to the circumference is equal to the ratio of the central angle to the full angle (360 degrees).
Therefore,if the arc measures 100 degrees,the central angle formed by that arc will also measure 100 degrees.
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the mineralized remains of organisms and the rock layers in which they are found
Correct answer is :- Fossils
Fossils are the preserved remains, or remnants of remains, of extinct species. The organism itself is not what is left in a fossil. They're rocks. Both the entire creature and its component parts can be preserved as a fossil. Foliage, shells, feathers, and bones can all turn into fossils. It doesn't matter how big or small a fossil is. Only under a microscope can one see microfossils. Among the microfossils are bacteria and pollen. Several meters long and weighing several tons, macrofossils are enormous. Petrified trees or the bones of dinosaurs are examples of macrofossils.
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which open-ocean zone order shows decreasing temperature?; which phrases describe the open-ocean zone? check all that apply.; which is one quality of the entire open-ocean zone?; which zone within the open ocean zone is home to the most organisms ; in which direction does wave energy travel in the ocean?; which part of the shallow ocean descends sharply away from the continental shelf?; at which point is ocean water the warmest?; where does the salt in oceans come from?
Temperature in the thermocline rapidly drops from the epipelagic zone, the mixed upper layer of the ocean, to considerably colder deep water (mesopelagic zone) open-ocean zone order shows decreasing temperature.
Tiny amount of sunshine less nutrients chilly conditions low density close to the coast is one quality of the entire open-ocean zone.
Few nutrients, low pressure, lots of sunlight, and different salinities. In the open ocean, this is approximately 200 metres of water. This area of water is known as the photic zone, where photosynthesis can take place.
The most biodiverse region is the photic zone as a result. The expanse of water surrounding land known as the continental shelf is often only a few hundred feet deep. Fluids produced by hydrothermal vents on the bottom are another source of salts in the ocean.
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what percentage of earth’s surface has been created by volcanoes?
Answer:
80 percent
Explanation:
please I need help... just please its an emergency
The characteristics of all echinoderms are:
Simple organ systems Regeneration of body parts Marine habitats What are the characteristics of Echinoderms?Echinoderms are organisms that live in marine habitats. They are often found in shallow waters but can also survive deeper under the sea if need be.
Echinoderms have simple organ systems which allow them to be able to quickly regenerate body parts when they are damaged. Some examples of echinoderms include star-fish and sea-urchins.
In conclusion, there are several characteristics of echinoderms including regeneration, simple organ systems, and occupying habitats in marine areas.
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Match the term in column 1 to the description in column 2 gender empowerment measures- the number of people who do not enjoy the average quality of life. life expectancy-the value of the entire economy. gross domestic product- defines women's share of political and economic power. human poverty index- determines how long people live on average
Answer: Please see explanation column for answer.
Explanation: Matching the right term to the right description include:
1.The number of people who do not the average quality of life-Human poverty index
2. The value of the entire economy--Gross domestic product
3. Defines women share of political and economic power-(Gender)Empowerment measures
4. Determines how long people live on average - Life expectancy
Answer:
Yea what he said
Explanation:
I did it and got it right
George is a principal scientist in a research organization. He studies the cell culture and genetics of the plants, and he is trying to develop technology that will improve plant production and solve other agriculture related concerns. Which branch of agricultural science is he studying?
George is studying the branch of agricultural science known as plant science or plant biology. This branch of science focuses on the study of plants and their biology, including topics such as plant growth, development, and genetics. Plant scientists work on a wide range of topics related to plant biology, including plant breeding, plant physiology, plant ecology, plant pathology, and plant genetics. They use this knowledge to improve plant production, solve agriculture-related problems, and develop new technologies that can help improve the health and productivity of plants.
North and South Korea each possess qualities that could help the other nation. This is an example of the geographic concept of _______
Answer: regional complementarity
Explanation:
The Rocky Mountains in the Western US would be most likely to experience __________ rainfall.
A. relief
B. frontal
C. convectional
D. evaporative
Answer:
D.
Explanation:
Most national forests in the Rocky Mountain Region average more than 20 inches of precipitation per year (with many alpine lands exceeding 50 inches), while most national grasslands average less than 15 inches per year.
which countries made up the united provinces of central america
The modern-day nations of Guatemala, El Salvador, Honduras, Nicaragua, and Costa Rica were once a part of the short-lived United Provinces of Central America.
A country is a group of people united by a variety of similar characteristics, such as a common language, shared history, shared ethnicity, shared culture, and/or shared social structures. Consequently, a country is the collective identity of a people seen as being characterized by those characteristics.
There are certain nations that are identified with ethnic groupings (see ethnic nationalism), while there are others that are equated with adherence to a social and political constitution (see civic nationalism and multiculturalism). Generally speaking, a nation is more blatantly political than an ethnic group. A cultural-political group that has learned to recognize
its individuality, unity, and unique interests has been described as a nation.
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Hiện nay việt nam là nước nông nghiệp hay công nghiệp
Answer:
please translate
Explanation:
Describe the cloud sequence that goes along with a warm front.
When a warm front passes through an area, it brings about a specific cloud sequence as warm air replaces colder air. the cloud sequence associated with a warm front involves the initial presence of high-level cirrus clouds, followed by the development of mid-level altostratus clouds.
Here's a description of the cloud sequence associated with a warm front:
1. Cirrus Clouds: As a warm front approaches, high-level cirrus clouds often appear ahead of the front. These clouds are thin, wispy, and feathery in appearance. They are composed mostly of ice crystals and can be seen as streaks or patches in the sky. Cirrus clouds indicate that a warm front is approaching, although they don't directly produce precipitation.
2. Altostratus Clouds: As the warm front progress, the sky becomes increasingly covered with altostratus clouds. These clouds are mid-level and often appear gray or blue-gray. Altostratus clouds are usually thick and uniform, covering the sky like a blanket. They are composed of water droplets and may bring light precipitation or drizzle.
3. Nimbostratus Clouds: As the warm front moves closer, nimbostratus clouds become dominant. These clouds are typically dark gray and bring steady and continuous precipitation. Nimbostratus clouds are low-level and have a thick, uniform layer. The precipitation associated with nimbostratus clouds is often steady, ranging from light rain to moderate showers.
4. Stratus Clouds: After the passage of the warm front, stratus clouds may linger behind. These clouds are typically low-level and form a flat, featureless layer that often covers the sky. Stratus clouds may produce light drizzle or mist, but the precipitation tends to be less intense compared to nimbostratus clouds.
Overall, As the warm front progresses, nimbostratus clouds dominate the sky, bringing steady precipitation. After the warm front passes, stratus clouds may persist, accompanied by light precipitation or mist.
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Which of the following statements does NOT correctly describe current population trends?
A. over the past 100 years, population growth has been rapid
B. population growth rates are slowing in more places
C. some countries face challenges associated with aging populations
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
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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because of the coriolis effect, what does the overall atmospheric circulation pattern look like on earth? (how many convection cells per hemisphere and in total?)
The overall atmospheric circulation pattern on Earth consists of three convection cells per hemisphere, making a total of six convection cells.
The Coriolis effect plays a crucial role in shaping the overall atmospheric circulation pattern on Earth. It leads to the formation of distinct cells of air circulation known as Hadley cells, ferrel cells, and Polar cells.
In each hemisphere, there is typically one Hadley cell, one ferrel cell, and one Polar cell, resulting in a total of six cells for the entire Earth.
Hadley Cells: These cells are located near the equator and are driven by solar heating. Warm air rises near the equator, creating a low-pressure zone, and then flows poleward at high altitudes.
As the air moves away from the equator, it cools and descends around 30 degrees latitude in both hemispheres. This descending air creates high-pressure zones and flows back towards the equator near the surface, completing the Hadley cell.
Ferrel Cells: The ferrel cells are found between the Hadley cells and the Polar cells, primarily in the mid-latitudes (around 30 to 60 degrees latitude). These cells are driven by the interaction between the Hadley and Polar cells.
Air from the Hadley cell moves poleward and encounters the colder, denser air of the Polar cell. The ferrel cell is characterized by rising motion near 60 degrees latitude and descending motion near 30 degrees latitude, opposite to the direction of the Hadley cell.
Polar Cells: These cells exist near the poles, spanning from around 60 degrees latitude to the polar regions. Cold air near the poles sinks, creating high-pressure zones. As the air moves away from the poles towards the mid-latitudes, it encounters the warmer air of the ferrel cell. This interaction causes the air to rise, forming a low-pressure zone.
It's important to note that the atmospheric circulation pattern is not perfectly uniform and can be influenced by various factors, including ocean currents, topography, and seasonal variations. However, the general model described above represents the primary circulation cells on Earth resulting from the Coriolis effect.
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Why are parks an important part of any city?
Answer:
Parks provide intrinsic environmental, aesthetic, and recreation benefits to our cities. They are also a source of positive economic benefits.
A small wind turbine has a maximum power output of 1.8 kW at the rated speed of 10 m/s and a
rotor diameter of 3 meters. The wind turbine has cut-in and cut-out speeds of 2 m/s and 12 m/s.
Assume an air density of 1.2 kg/m
If this wind turbine is placed in a site with wind blowing half of the time at 1 m/s and half of the
time at 9 m/s, what is the capacity factor of the wind turbine at this site? Assume power coefficient is
the same at all wind speed as that derived in (a).
(c) Suppose the turbine costs $5,000, requires no maintenance cost and can operate for 10^5 hours
(about 10 years) at the site discussed in (b).A competing source of electricity costs $0.15/kWh. Does
it make economic sense to purchase and install this wind turbine to provide electricity instead of buying electricity from the competing source?
To calculate the capacity factor of the wind turbine, we need to determine the average power output of the turbine over a given time period.
Given:
Maximum power output of the wind turbine: 1.8 kW
Rated speed of the wind turbine: 10 m/s
Rotor diameter: 3 meters
Cut-in speed: 2 m/s
Cut-out speed: 12 m/s
Air density: 1.2 kg/m³
(a) Calculating Power Coefficient:
The power coefficient (Cp) is a measure of the efficiency of the wind turbine. We can calculate it using the formula:
Cp = P / (0.5 * ρ * A * V³)
Where:
P: Power output of the wind turbine (in watts)
ρ: Air density (in kg/m³)
A: Swept area of the rotor (π * (diameter/2)², in square meters)
V: Wind speed (in m/s)
Given that the rotor diameter is 3 meters, the swept area (A) is: π * (3/2)² = 7.07 m²
Substituting the values, we get:
Cp = 1.8 kW / (0.5 * 1.2 kg/m³ * 7.07 m² * 10³ m³/s) = 0.0909
(b) Calculating Capacity Factor:
The capacity factor (CF) is the ratio of the actual average power output of the wind turbine to its maximum possible power output over a given time period.
To calculate the capacity factor, we need to consider the wind speeds and their corresponding probabilities. Given that the wind blows half of the time at 1 m/s and half of the time at 9 m/s, we can calculate the average power output (P_avg) using the power coefficient:
P_avg = (P_max * CF * p1 * V1 + P_max * CF * p2 * V2)
Where:
P_max: Maximum power output of the wind turbine (1.8 kW)
CF: Capacity factor
p1: Probability of wind speed 1 m/s (0.5)
V1: Wind speed 1 m/s
p2: Probability of wind speed 9 m/s (0.5)
V2: Wind speed 9 m/s
Substituting the values, we get:
P_avg = (1.8 kW * CF * 0.5 * 1 m/s + 1.8 kW * CF * 0.5 * 9 m/s) = 5.4 kW * CF
Since the wind turbine has a maximum power output of 1.8 kW, the capacity factor (CF) can be calculated as:
CF = P_avg / P_max = 5.4 kW * CF / 1.8 kW
CF = 3
Therefore, the capacity factor of the wind turbine at this site is 3.
(c) Assessing Economic Viability:
To determine whether it makes economic sense to purchase and install the wind turbine, we need to compare the cost of electricity generated by the wind turbine to the cost of electricity from the competing source.
The cost of electricity generated by the wind turbine can be calculated as the initial cost of the turbine divided by the total energy generated over its lifetime:
Cost of electricity from wind turbine = Cost of turbine / (P_avg * lifetime)
Given that the turbine costs $5,000, operates for 10^5 hours (about 10 years), and the average power output is 5.4 kW, we can calculate the cost of electricity generated by the wind turbine.
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Ok hutch three major religions believe in only one god
Which of the following statements best defines what makes the government created by the U.S. Constitution a republic?
O A. The federal government has the power to coin money and declare war.
O
B. Power in the national government is divided among different branches.
OC. Citizens elect representatives to carry out their will.
OD. Power is divided among the federal, state, and local governments.
Answer:
The answer i think is D.
Explanation:
The statement that best defines what makes the government created by the U.S. Constitution a republic is that the Power is divided among the federal, state, and local governments.
How the power is divided among the federal, state, and local governments?The division of a state's government into divisions, each with separate, individual powers and responsibilities, so that the powers of one branch do not conflict with those of the other branches, is referred to as separation of powers.
The US and state constitutions must be followed by all levels of government. The United States Constitution delegated certain powers to the federal government and delegated all others to state governments. Local governments are established by state governments and have certain powers delegated to them.
Hence, Option D is an appropriate response.
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The american revolution was largely fought over policies levied by the british government which sought to tax imports and supplies to the colonies.
a. true
b. false
Answer: True
--------------------------
Which of the following features is present on the seafloor off the Pacific Northwest?
A. world's largest oceanic plateau
B. long, fairly straight fracture zone
C. world's largest linear island chain
D. island arc within oceanic plates
Long, fairly straight fracture zone is present on the seafloor off the Pacific Northwest.
The composition, structure, physical characteristics, and processes that shape the Pacific Northwest area of North America are included in the geology of the region. The area is a portion of the Ring of Fire, where the subduction of the Pacific and Farallon Plates beneath the North American Plate is to blame for both many of the region's picturesque aspects and some of its risks, including volcanoes, earthquakes, and landslides.
A portion of the flexible mantle melts as water vapor climbs into it above the subducting plate. By melting wall rocks and traveling via fracture and faults in the crust, this newly generated magma rises through the crust in a direction that offers the least amount of resistance.
Option B is the correct answer.
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is a measure of the ease with which water moves through the soil
The measure of the ease with which water moves through the soil is called soil permeability.
To understand soil permeability, follow these steps:
1. Recognize that soil consists of various particles, such as sand, silt, and clay.
2. Observe that spaces between these particles, called pore spaces, allow water to move through the soil.
3. Understand that larger pore spaces promote faster water movement, while smaller pore spaces slow it down.
4. Know that soils with higher sand content typically have higher permeability, while those with more clay have lower permeability.
5. Keep in mind that soil permeability affects water infiltration, drainage, and plant growth. High permeability can cause water to drain too quickly, while low permeability can cause waterlogging.
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the sky is blue because molecules in the atmosphere scatter blue light more effectively than red light. true false
The statement "the sky is blue because molecules in the atmosphere scatter blue light more effectively than red light." is true as this phenomenon is called Rayleigh scattering.
Rayleigh scattering, a phenomenon, is the reason the sky appears blue. The molecules in the atmosphere scatter sunlight as it travels through the atmosphere of Earth. Due to the size of the particles involved, blue light, which has a shorter wavelength, is scattered more than red light which has a longer wavelength.
The blue hue of the sky is a result of this blue light's dispersion in all directions. In contrast, the shorter blue and green wavelengths scatter away during sunrise and sunset because more of the atmosphere must be penetrated by the sunlight giving those times of day their reddish hues.
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How does Taiwan's view of the "One China" Policy compare to China's view?
1. What were the various myths that Americans created about the mound builders? Why were some of these myths harmful for American Indians? 2. What aspects of the Hopewell and Mississippian cultures defy traditional stereotypes of American Indians living north of Mexico? Explain what they are and why they are significant. 3. Why did Native Americans join the missions? What made the missions so destructive? What specific Spanish actions made the missions oppressive?
1. The various myths that Americans created about the mound builders were that the mound builders were not American Indians, but instead a lost tribe from another continent.
Some said that the mounds were built by European explorers from long before Columbus’s time. These myths were harmful for American Indians as they worked to erase the historical contributions of American Indians to North American culture.2. The Hopewell and Mississippian cultures defy traditional stereotypes of American Indians living north of Mexico in several ways. The Hopewell culture, for example, was a highly developed trading culture that constructed elaborate burial mounds.
The Mississippian culture was marked by large, walled cities with complex social and political structures. These cultures were significant as they showed that American Indians had complex societies with advanced technologies and that North America was not just a “wilderness” waiting to be tamed by Europeans.3. Native Americans joined the missions for various reasons, including the promise of food, clothing, and shelter.
However, the missions were ultimately destructive because they were designed to assimilate Native Americans into European culture and religion. The specific Spanish actions that made the missions oppressive include forced labor, beatings, and whippings, as well as the removal of Native American children from their families and communities to be raised in European-style boarding schools.
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Mt. Everest is 29,032 feet high. Air pressure at the top is 228mmHg. Assuming that the proportion of gases in air at that altitude is the same as at sea level, what is the partial pressure of oxygen at the top of Mt. Everest, rounded to the nearest whole number?
O 20mmHg O 46mmHg O 48mmHg
O 207mmHg
O 218mmHg
O 585mmHg O 606mmHg
O 627mmHg O 1297mmHg O 4777mmHg
The correct answer is C, The partial pressure of oxygen at the top of Mt. Everest is approximately 48 mmHg.
First, let's find the total atmospheric pressure at the top of Mt. Everest:
Total atmospheric pressure = Air pressure at the top of Mt. Everest = 228 mmHg
Now, we can calculate the partial pressure of oxygen:
The partial pressure of oxygen = Proportion of oxygen * Total atmospheric pressure
The proportion of oxygen = 20.9% (which can be written as 0.209)
Partial pressure of oxygen = 0.209 * 228 mmHg ≈ 47.6 mmHg
Rounding this value to the nearest whole number, the partial pressure of oxygen at the top of Mt. Everest is approximately 48 mmHg.
Everest, also known as Mount Everest, is the highest peak in the world and a majestic mountain located in the Himalayas. Standing at a towering height of 8,848.86 meters (29,031.7 feet), Everest is situated on the border between Nepal and China (Tibet Autonomous Region). It is a part of the greater Himalayan range and has captivated the imagination of mountaineers and adventurers for centuries.
The first successful ascent of Everest was achieved by Sir Edmund Hillary of New Zealand and Tenzing Norgay, a Sherpa of Nepal, in 1953. Since then, climbing Everest has become a significant goal for mountaineers from around the globe, but it remains an incredibly challenging and dangerous feat. The harsh weather conditions, extreme altitude, and treacherous terrain make it a daunting undertaking, requiring physical endurance, technical skills, and careful planning.
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per capita gdp is falling in countries like haiti and libya because is growing faster than gdp TRUE/FALSE
False.
Per capita GDP is falling in countries like Haiti and Libya not because the population is growing faster than GDP, but primarily due to other factors. Per capita GDP is calculated by dividing a country's GDP by its population, and it's an indicator of the average economic well-being of the people in a country.
In the case of Libya, the decline in per capita GDP is mainly due to political instability, conflicts, and disruptions in oil production, which have severely impacted the country's economy. The ongoing civil war in Libya has disrupted economic activities, which in turn affects GDP and per capita GDP.
For Haiti, the reasons behind the decline in per capita GDP include natural disasters, political instability, poor infrastructure, and a lack of access to basic services. These factors have hampered the country's ability to grow its GDP at a sufficient rate to maintain or improve per capita GDP.
In summary, while population growth may have some impact on per capita GDP, the primary reasons for falling per capita GDP in countries like Haiti and Libya are related to political, social, and environmental challenges that hinder economic growth.
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definition of montane climate
Answer:
The montane climate is quite variable, depending on latitude and altitude. Temperatures are always cooler with increased elevation and usually wetter than lowland environments of the same region; there is increased cloud cover, especially up to the 1000-2000 meter range.
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sciencephysicsphysics questions and answerssuppose you are trying to cross from the south bank to the north bank of a river in your covered wagon. with all your earthly possessions, you are able to move your wagon at a speed of 1.3 m/s with respect to the water. the crossing is normally perfectly safe, but it's been a warm spring and the snow melt is causing the river to swell to 20.0 m wide and to
Question: Suppose You Are Trying To Cross From The South Bank To The North Bank Of A River In Your Covered Wagon. With All Your Earthly Possessions, You Are Able To Move Your Wagon At A Speed Of 1.3 M/S With Respect To The Water. The Crossing Is Normally Perfectly Safe, But It's Been A Warm Spring And The Snow Melt Is Causing The River To Swell To 20.0 M Wide And To
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Suppose you are trying to cross from the South bank to the North bank of a river in your covered wagon. With all your earthly possessions, you are able to move your wagon at a speed of 1.3 m/s with respect to the water. The crossing is normally perfectly safe, but it's been a warm spring and the snow melt is causing the river to swell to 20.0 m wide and to flow quickly at 1.0 m/s to the west. a) In what direction do you need to aim your wagon if you want to cross the river without drifting downstream or upstream? b) In what direction do you need to aim your wagon if you want to cross the river in the shortest amount of time? How long will it take you to cross in this case?
The direction in which the wagon should be aimed to cross the river in the shortest amount of time is perpendicular to the direction of the river current, and it will take 12.2 seconds to cross the river.
Given, Velocity of the wagon (vw) = 1.3 m/s Velocity of the river (vr) = 1.0 m/s Width of the river (d) = 20.0 m. To cross the river, we need to find the direction in which the wagon should be aimed to cross the river without drifting downstream or upstream and the direction in which the wagon should be aimed to cross the river in the shortest amount of time. a) To cross the river without drifting downstream or upstream, we should aim the wagon perpendicular to the direction of the river current. This means that the angle between the direction of motion of the wagon and the direction of the river current should be 90 degrees.
b)To cross the river in the shortest amount of time, we should aim the wagon such that the net velocity of the wagon is perpendicular to the direction of the river current. This means that the angle between the direction of motion of the wagon and the direction of the river current should be 90 degrees. To find the net velocity of the wagon, we can use Pythagoras theorem as follows:V^2 = (vw)^2 + (vr)^2V^2 = (1.3)^2 + (1.0)^2V^2 = 2.69V = 1.64 m/s. The time taken to cross the river in the shortest amount of time can be found as follows: Time = distance/velocity Time = 20.0 m / 1.64 m/s Time = 12.2 s. Therefore, the direction in which the wagon should be aimed to cross the river in the shortest amount of time is perpendicular to the direction of the river current, and it will take 12.2 seconds to cross the river.
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Which nation leads the world in copper exports?
A.Chile
B.Peru
C.Bolivia
D.Uruguay
Answer:
the answer is Chile. hope this helps
Answer:
A. chile.
Explanation:
I hope this helps.
Which blow over long distances? select three options. jet streams local winds trade winds sea breezes polar easterlies
Answer:
Trade wind
Explanation:
It is stronger and more consistent over the oceans than over land.
Global winds are winds that originate in belts that circle the globe. Global winds, like local winds, are created by uneven heating of the atmosphere.
What are trade winds and polar easterlies?Polar easterlies are dry, cold prevailing winds that blow from high-pressure areas of the polar highs at the north and south poles to low-pressure areas within the Westerlies at high latitudes.
Winds that consistently blow east to west just north and south of the equator are referred to as trade winds. The winds assist ships in traveling west, and they can also direct storms such as hurricanes.
Thus Options C and E are correct.
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