if scientists were able to stop the techonic plates from moving,people on earth would no longer have

The magnitude of the average velocity = 1.5 m/s ( D )

Applying the given data:

Velocity = displacement / time

constant velocity/speed = 1.5 m/s  ( i.e. velocity for each direction )

displacement = 75 m west and 75 m North

∴ Average velocity = ∑ ( velocity for each direction ) / ( number of displace )

                               = (1.5 + 1.5 ) / 2

                               = 3 / 2 = 1.5 m/s              

Hence we can conclude that the magnitude of the average velocity = 1.5 m/s

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Answer:

400 meters

Explanation:

using the equation:

Hopefully this helps.

Explanation:

Answer:water

Explanation:

Water may be a nutrient that makes up 60% of our body weight. it's important in many functions, it's part of every cell in every tissue in the body.

Water carries other nutrients to all or any parts of the body, it carries waste out of the body and it helps to manage body temperature. When you run or play sports your body heats up pretty quickly.

Your body starts to sweat as a way to get rid of the heat. When the sweat evaporates on your skin your body and blood get cool. it's very important to replace the fluid that is lost by sweating so as not to become dehydrated.

If you get dehydrated the body cannot cool itself anymore and your performance will drop. Without enough water, whether you're exercising or sitting all day, you're at risk for dehydration which can be fatal

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There are many natural sources of gamma rays, including:

Gamma rays are a form of electromagnetic radiation that have a very high energy and a very short wavelength. They are a type of ionizing radiation, which means that they can knock electrons out of atoms and molecules as they pass through them. Gamma rays are produced by some of the most energetic processes in the universe, such as nuclear reactions, supernovae, and black holes.

Gamma rays have a higher frequency and shorter wavelength than X-rays, and are therefore more energetic. They can penetrate most materials, including concrete and steel, and are extremely harmful to living organisms. Exposure to high levels of gamma radiation can cause radiation sickness, cancer, and death.

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To determine which subatomic particle has a longer lifespan, we compare the average lifetimes of the tau lepton and the neutral pion. The average lifetime of the tau lepton is 2.906 x 10^-12 seconds, and the average lifetime of the neutral pion is 8.4 x 10^-17 seconds.

Comparing these values, we can see that the average lifetime of the tau lepton (2.906 x 10^-12 seconds) is significantly longer than the average lifetime of the neutral pion (8.4 x 10^-17 seconds).

To calculate how many times longer the lifespan of the tau lepton is compared to the neutral pion, we divide the average lifetime of the tau lepton by the average lifetime of the neutral pion:

(2.906 x 10^-12 seconds) / (8.4 x 10^-17 seconds) = 3.453 x 10^4

Therefore, the tau lepton has a lifespan that is approximately 3.453 x 10^4 (34,530) times longer than the neutral pion.

Answer:

Twice its original volume.

Explanation:

For diving applications, 10 m/33 feet of sea water is taken to exerts a gauge pressure that is the same pressure as the atmosphere, or one ata/bar.

This means that we add one ata/bar pressure for every 10 m/33 feet you descend.

The effect of this is that, at 10 m/33 ft, you're under an absolute pressure of two ata/bar, one from air and one from water. Adding another 10 m/33 ft to this depth to make it 20 m/66 ft, puts you under under three ata/bar of pressure and so on.

Descending to a depth of 10 m/33 ft, with a flexible container means that you have double the ata/bar pressure acting on you. If you decide to resurface, the pressure on the flexible container will reduce by a factor of two.

Since volume is inversely proportional to the pressure, if the pressure reduces by a factor of 2, then the volume will increase by a factor of two, or we can say that the volume will double.

The correct answer is option 3. The initial velocity of Stone B needs to be equal to the square root of the product of the acceleration due to gravity and the initial height of Stone A, i.e. v = √(gh), Hence the correct answer is option C)

Let's assume that the two stones meet at a height of h/2 from the ground.

For Stone A (dropped from rest), we can use the kinematic equation:

h/2 = (1/2)gt^2

where g is the acceleration due to gravity and t is the time taken to reach the midpoint.

For Stone B, the time taken to reach the midpoint is the same as Stone A, but we also need to take into account the initial velocity v:

h/2 = vt - (1/2)gt^2

Setting the two equations equal to each other and solving for v, we get:

h/2 = (v/2) * (2h/g) - (1/2)g(2h/g)^2

h/2 = h/g (v-2h)

Simplifying, we get:

v = √(gh)

Correct option is C)

Therefore, the correct answer is option 3. The initial velocity of Stone B needs to be equal to the square root of the product of the acceleration due to gravity and the initial height of Stone A, i.e. v = √(gh). Therefore the correct answer is option C).

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Note- complete question is not available.

The region A is receiving more sunlight and there are experience  summer because, the northern hemisphere of earth is tilted towards the sun. Hence, option D is correct.

Different seasons on earth are made by the revolution of earth through sun and the tilted axis of earth's rotation make the seasons differ in each region. Earth is not in perfect circular motion, the tilt in the rotational axis of earth make the difference in sunlight radiated in each point of earths surface.

The northern hemisphere of earth is tilted towards sun. Thus, northern hemisphere have more heat radiated than the south. The Atlantic region in the south is far from sun and that's why  there is always cold and winter.

The region A is in the northern hemisphere and it experience summer because of the tilted axis. Thus option D is correct.

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Three books (X, Y, and Z) rest on a table, the force of book Z on book Y is 5N. Therefore, the correct answer is (B)

To determine the force of book Z on book Y, we need to consider the gravitational force acting on book Y due to book Z.

This force is equal to the weight of book Y times the gravitational acceleration, which is 9.8 m/s^2.

The weight of book Y is given as 5N, so the force of book Z on book Y is:F = 5N * 9.8 m/s^2 = 49N

However, the weight of book Z is given as 10N, which is greater than the force it exerts on book Y.

This means that book Z is not heavy enough to lift book Y off the table, and the force of book Z on book Y is simply the weight of book Y, which is 5N.

Therefore, the correct answer is (B)

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Light will reflect at the same angle off a smooth surface as when it first touches it. The direction of reflected light beams for a flat surface is the same. Specular reflection is what is happening here.

When light reflects off of a surface, it happens. Light will reflect at the same angle it was incident upon if the surface is glossy and smooth.

A smooth polished surface is what is referred to as a reflection when a light ray strikes it and bounces back. Surface reflection occurs when a light beam hits it and then leaves it.

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Answer: The part of color that's reflected is the red that bounces off the paper.

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(☞ﾟヮﾟ)☞      ☜(ﾟヮﾟ☜)

From the given list, let's determine the given qualitative information.

Qualitative data can be said to be data that are represented without determining a value.

This type of data are uncountable.

It is data that can be observable in nature and they cannot be measured.

From the given list, the qualitative data is blue sky.

Other information given are that of quantitative data because they are measured values.

Therefore, the qualitative information is blue sky.

ANSWER:

D. Blue sky

According to the question, the change in pressure for the jetstream is  14.54Pa.

The force applied perpendicularly to an object's surface expressed as a symbol (p or P) is the force divided by the area of the object's surface. The pressure when compared to the surrounding air pressure is known as gauge pressure. Pressure is expressed using a number of different units. The SI unit of pressure, the pascal (Pa), for instance, is equal to one newton per square meter (N/m²). Some of these measurements are the result of dividing a unit of force by a unit of area.

Explanation:

Given;

jet's diameter,d = 10⁻²m

temperature, t = 20°C

Surface tension acts only on the lines AB and CD.

Consider the equilibrium of forces;

∑F = 0

P₁-P₀ = 2σ/d

here surface tension σ = 0.0727 N/m

P₁-P₀ = 2×0.0727/10⁻²

        = 14.54 Pascal

Hence, the change in pressure of the jetstream is 14.54 Pascal.

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Answer:

No

Explanation:

the unit of velocity is m/s and the velocity is written as 35m/s not 35 k/m

The government can address the environmental damage caused by thrown-away plastic water bottles through solutions such as implementing a deposit and return system or imposing taxes, which incentivize responsible behavior, reduce plastic waste, and mitigate negative externalities.

a. The economic concept that explains the damage created by thrown-away empty plastic water bottles is "negative externality."

b. Negative externality occurs when the production or consumption of a good or service imposes costs on third parties who are not involved in the transaction. In this case, the irresponsible disposal of plastic water bottles creates environmental damage, such as pollution in landfills and oceans, affecting society as a whole. It is a market failure because the private cost of producing and consuming bottled water does not include the full social cost of the resulting environmental damage.

The market situation in this context involves a divergence between private and social costs. Consumers of bottled water do not bear the full cost of the environmental damage caused by the improper disposal of plastic bottles. Consequently, the market equilibrium for bottled water fails to account for the negative externalities imposed on society.

c. Two solutions available to the government to correct this environmental issue are:

Implementing a plastic bottle deposit and return system: The government can establish a system where consumers pay an additional deposit fee when purchasing plastic water bottles, which is refunded when they return the empty bottles to designated collection points. This incentivizes consumers to return the bottles for recycling or proper disposal, reducing environmental damage.

Imposing taxes or levies on plastic water bottles: The government can impose taxes or levies on the production or consumption of plastic water bottles. This increases the cost of bottled water, reflecting the social cost of environmental damage. The additional revenue generated from these taxes can be used to fund environmental conservation and recycling programs.

d. These solutions will correct the given situation by internalizing the external costs associated with plastic water bottle consumption. By implementing a deposit and return system or imposing taxes, consumers are incentivized to act responsibly by returning the bottles or opting for alternative packaging options. This reduces the amount of plastic waste in landfills and oceans, mitigating environmental damage.

The deposit and return system encourages recycling and reuse of plastic bottles, reducing the need for new bottle production and decreasing overall plastic waste. The taxes or levies increase the price of bottled water, making alternatives like reusable bottles or tap water more economically attractive. The revenue generated from these taxes can be utilized for environmental initiatives such as recycling infrastructure, public awareness campaigns, and research and development of sustainable packaging materials.

Therefore, by internalizing the negative externalities associated with plastic water bottle consumption, these solutions promote responsible behavior, reduce plastic waste, and mitigate the environmental damage caused by improper disposal.

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The plane travels a distance of 325 miles if the airplane travels for 2.5 hours at an average speed of 130 miles per hour. Using the distance formula (d = rt), we can calculate the distance.

To find the distance traveled by the airplane, we can use the distance formula, which is represented as d = rt. In this formula, "d" represents the distance, "r" represents the rate or speed at which the object is traveling, and "t" represents the time taken for the travel.

Given that the airplane travels for 2.5 hours at an average rate of 130 miles per hour, we can substitute these values into the formula. The rate of the airplane is 130 miles per hour, and the time taken is 2.5 hours.

Using the formula, we can calculate the distance traveled as follows:

d = rt

d = 130 mph × 2.5 hours

Multiplying the rate (130 mph) by the time (2.5 hours) gives us:

d = 325 miles

Therefore, the airplane travels a distance of 325 miles during the 2.5 hours of travel at an average rate of 130 miles per hour.

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Answer:

Explanation:

Work = 1.31 × 10³ = 1310

F = W/D = 1310/76.2

≈ 17.19N

An amount of cement is lifted 76.2 m by arcane, which exerts a force on the cement that is slightly larger than the weight of the cement. If the network done on the cement is 1.31 × 103 J, 17.19N is the magnitude of the net force exerted on the cement.

In mechanics, force is defined as any action that seeks to sustain or modify the movement of a body or even to deform it. The idea of force is frequently defined in terms of Isaac Newton's three laws of motion, which are laid forward by book Principia Mathematica (1687).

Newton's first principle is that a body at rest and moving uniformly inside a single direction will continue in that condition unless another force is exerted to it.

Work = 1.31 × 10³ = 1310J

Force = Work/Distance

          = 1310/76.2

          ≈ 17.19N

Therefore,  17.19N is the magnitude of the net force exerted on the cement.

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An object's momentum is a measure of its motion, defined as the product of its mass and its velocity. This means that an object with a large mass moving at a high velocity will have greater momentum than an object with a smaller mass moving at a slower velocity.

The momentum of an object is a vector quantity, which means it has both magnitude and direction. The direction of an object's momentum is the same as the direction of its velocity. This means that if an object is moving north, its momentum is also northward. Momentum is an important concept in physics, particularly in the study of collisions and interactions between objects.

In these situations, the total momentum of a system is conserved, meaning that the sum of the momenta of all objects involved remains constant before and after the interaction. This principle is known as the law of conservation of momentum and is crucial for understanding the behavior of objects in motion.

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GPS readings of longitude and latitude are based on wgs84. Option 3.

GPS readings of longitude and latitude are based on the WGS84 (World Geodetic System 1984) coordinate reference system.

WGS84 is widely used as the standard coordinate system for GPS (Global Positioning System) positioning and navigation.

It provides a consistent and globally recognized framework for accurately determining and representing locations on Earth's surface.

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Convection currents in the mantle are slowly causing the plates to move.

It would not move. It wouldn't move because its 7 0 K G my friend.

Based on the information that is depicted from the question, the data from Najah showed that most managers focus on consideration and inspiration.

The behavioral leadership theory simply focuses on how leaders behave. The theory also assumes that other leaders copy each other's traits.

Based on the complete information, the data illustrated that most managers focus on consideration and inspiration. Managers inspire their subordinates in order to accomplish a goal.

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They are not typically considered relevant or necessary information to disclose in most contexts.

Hairstyles or choice of music fall under the category of personal preferences and are not typically considered relevant to disclosures.

Disclosures refer to the act of revealing important or relevant information about oneself, such as past criminal history, financial obligations, or conflicts of interest in business transactions.

These types of disclosures are typically required by law or regulations in certain situations, such as when applying for a job or entering into a business agreement.

While personal preferences such as hairstyles or choice of music may provide insight into an individual's personality or cultural background, they are not typically considered relevant or necessary information to disclose in most contexts.

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Explanation:

When Two Samples of Water are Mixed, what Final Temperature Results?

Go to Mixing Two Amounts of Water: Problems 1 - 10

Go to calculating the final temperature when mixing water and a piece of metal

Worksheet #2

Back to Thermochemistry Menu

Example #1: Determine the final temperature when 32.2 g of water at 14.9 °C mixes with 32.2 grams of water at 46.8 °C.

This is problem 8a from Worksheet #2.

First some discussion, then the solution. Forgive me if the points seem obvious:

1) The colder water will warm up (heat energy "flows" into it). The warmer water will cool down (heat energy "flows" out of it).

2) The whole mixture will wind up at the SAME temperature. This is very, very important.

3) The energy which "flowed" out (of the warmer water) equals the energy which "flowed" in (to the colder water)

This problem type becomes slightly harder if a phase change is involved. For this example, no phase change. What that means is that only the specific heat equation will be involved

Solution Key Number One: We start by calling the final, ending temperature 'x.' Keep in mind that BOTH water samples will wind up at the temperature we are calling 'x.' Also, make sure you understand that the 'x' we are using IS NOT the Δt, but the FINAL temperature. This is what we are solving for.

The warmer water goes down from to 46.8 to x, so this means its Δt equals 46.8 − x. The colder water goes up in temperature, so its Δt equals x − 14.9.

That last paragraph may be a bit confusing, so let's compare it to a number line:



To compute the absolute distance, it's the larger value minus the smaller value, so 46.8 to x is 46.8 − x and the distance from x to 14.9 is x − 14.9.

These two distances on the number line represent our two Δt values:

a) the Δt of the warmer water is 46.8 minus x

b) the Δt of the cooler water is x minus 14.9

Solution Key Number Two: the energy amount going out of the warm water is equal to the energy amount going into the cool water. This means:

qlost = qgain

However:

q = (mass) (Δt) (Cp)

So:

(mass) (Δt) (Cp) = (mass) (Δt) (Cp)

With qlost on the left side and qgain on the right side.

Substituting values into the above, we then have:

(32.2) (46.8 − x)(4.184) = (32.2) (x − 14.9) (4.184)

Solve for x

A "blood moon" is a term used to describe a total lunar eclipse when the Moon appears to have a reddish hue. During a total lunar eclipse, the Earth aligns between the Sun and the Moon, causing the Earth's shadow to fall on the Moon.

The reddish color is a result of sunlight passing through Earth's atmosphere and bending around the Earth, with the atmosphere filtering out shorter wavelengths of light and allowing longer red wavelengths to reach the Moon.

From a scientific perspective, a blood moon is an astronomical phenomenon that provides an opportunity for researchers and astronomers to study the Earth's atmosphere and its effects on the appearance of celestial bodies.

However, in cultural and historical contexts, blood moons have often been associated with various myths, prophecies, and religious significance in different cultures. Different interpretations and beliefs have been attributed to blood moons throughout history, often linked to events or omens. These cultural interpretations vary widely and depend on the specific beliefs and traditions of different communities.

It's important to note that scientifically, a blood moon is a natural occurrence caused by the interaction of sunlight, Earth's atmosphere, and the Moon, and its significance beyond that is subjective and varies among different cultures and beliefs.

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Many astronomers were skeptical about Percival Lowell's claims of Martian canals for several reasons.

First and foremost, the technological limitations of the time made it difficult to obtain clear and detailed observations of Mars. The telescopes available in Lowell's era were not powerful enough to discern fine surface details on the planet, leading to potential misinterpretations.

Furthermore, other astronomers failed to reproduce Lowell's observations and saw no evidence of the linear features he described as canals. They argued that the perceived canals could be optical illusions or artifacts resulting from poor atmospheric conditions or the limitations of the telescopes used.Additionally, advances in understanding Mars and its geology, particularly through space missions and improved telescopes, have provided a wealth of evidence contrary to Lowell's claims. Modern investigations have revealed that Mars does not possess an extensive network of artificial canals but instead exhibits natural features such as valleys, craters, and ancient riverbeds, which can be misinterpreted if not carefully analyzed.Consequently, due to these factors, skepticism prevailed among many astronomers regarding Percival Lowell's claims of Martian canals, and subsequent scientific advancements have provided a more accurate understanding of the Red Planet's surface features.

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The combined formula of Newton's second law and Hook's law to find the acceleration of a block as function of time is a(t) = [k. t (v0 + vf)]/2m.

According to Newton's second law of motion, force applied to any object is directly proportional to the product of mass and acceleration.

F = ma

As we know that the Hook's law is given as;

F = kx

Combining two equations together; we get

ma = kx

So, a = kx/m

x is the extension of the spring

So, x = (v0 + vf)*t/2

a = kx/m= {k* (v0 + vf)*t/2}/m

So, a = [k. t (v0 + vf)]/2m

Thus, combined formula of Newton's second law and Hook's law to determine the acceleration of a block as function of time is a(t) = [k. t (v0 + vf)]/2m.

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The total mechanical energy of the bicyclist is 1400 J, obtained by adding her potential energy of 720 J and kinetic energy of 680 J. The correct answer is option B.

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