How would the gravitational force between the Earth and Moon change if the distance between them was halved?
The gravitation force would be nullified; there would no longer be a gravitational force between the Earth and Moon
The gravitational force would be stronger The gravitational force would not change
The gravitational force would be weaker​

Answer:

A physical property of matter is electric charge. It is caused by an imbalance in the number of protons and electrons in a material. Whether there are more protons than electrons in a substance, it is positively charged if there are more electrons than protons, it is negatively charged.

Explanation:

Answer:

sa64

Explanation:

Answer:

b) v

Explanation:

the distance between pole and position of image can denoted by v

answer :

force is called the magnetic force of repulsion, and it happens when two magnets have the same poles (either both north or both south) and they push away from each other.

When all the domains in a material are aligned in the same direction, the material becomes strongly magnetized.

explanation :

magnetic domains in the rings were stable and strong enough to resist the force of gravity.

In the case of the levitating rings, the magnetic domains were aligned in such a way that they created a strong magnetic field, which allowed the rings to levitate in mid-air.

tiny regions within ferro magnetic  material that have their own magnetic fields are called magnetic domains.

Magnetic domains in the rings refer to the tiny regions within the ring's ferro magnetic material that have their own magnetic fields.

The accurate interpretation of the point (50,70) is (d) the ball reached a maximum height of 70 yards.

Given that a graph that represents the path of a golf ball, where x is the distance traveled in feet and f(x) is the height of the ball in yards.

The vertex of the ball is the minimum or the maximum height of the ball

The point is given as:

(x,y) = (50, 70).

On the graph that illustrates the path of the ball, the vertex of the graph is at:

(x,y) = (50, 70)

The vertex represents the maximum point of the ball i.e. the maximum height

Hence, the ball reached a maximum height of 70 yards.

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Complete question =

Consider the graph that represents the path of a golf ball, where x is the distance traveled in feet and f(x) is the height of the ball in yards.

In the context of the problem, which is an accurate interpretation of the point (50, 70)?

The ball traveled a total distance of 50 yards.

The ball traveled a total distance of 70 feet.

The ball reached a maximum height of 50 feet.

The ball reached a maximum height of 70 yards.

Answer:

F = 12000 N = 12 KN

Explanation:

First we need to find the acceleration of the bad boys by using second equation of motion:

s = Vi t + (1/2)at²

where,

s = distance covered = 5 m

Vi = Initial Velocity = 0 m/s

t = time taken = 0.5 s

a = acceleration = ?

Therefore,

5 m = (0 m/s)(0.5 s) + (1/2)a(0.5 s)²

a = 2(5 m)/(0.5 s)²

a = 40 m/s²

Now, we calculate the force applied by Newton's Second Law:

F = ma

where,

F = force = ?

m = mass of bad guys = 300 kg

Therefore,

F = (300 kg)(40 m/s²)

F = 12000 N = 12 KN

Answer:

4

Explanation:

if there are 1/4 cups and you need to fill a cup, you need 4
4 x 1/4 = 4/1
4/1 = 1

Answer:

Explanation:

Hi! It would be A. Plane mirrors produce only virtual images,and concave mirrors produce real and virtual images.

Plane mirrors construct only virtual images, and concave mirrors make real and virtual images. Thus, this statement best corresponds concave and plane mirrors.

A virtual image exists represented as the opposite of a real image, thus an image that cannot be obtained on a screen stands produced as a virtual image. The motivation for this exists in the fact that the beams of light that form a virtual image never connect therefore a virtual picture can never be projected onto a screen. Examples: Image formed in a plane mirror, an image constructed on the front and back surfaces of a spoon, etc.

Therefore, the (A) option exists as the accurate answer.

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The rolling resistance of the road is 203.02lb per ton

R=P/W where W=47877lb/(2000lb/ton)=23.985 ton

R=4860lb/23.985ton

R=203.02lb per ton.

Rolling resistance, occasionally known as rolling friction or rolling drag, is the pressure resisting the movement when a frame rolls on a surface. Its miles are mainly caused by non-elastic consequences; that is, no longer all of the energy needed for deformation of the wheel, roadbed, and so on., is recovered when the stress is removed.

Tire rolling resistance is the power that your vehicle needs to send to your tires to hold movement at a steady velocity over a surface. In other words, it is the effort required to maintain a tire rolling. the principal contributor to rolling resistance is the process known as hysteresis.

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When you push a pencil off your desk, the energy transformation that takes place is that potential energy transforms into kinetic energy.

The correct answer to the given question is option C.

Potential energy is the energy stored within an object because of its position or configuration.

In this scenario, the pencil has potential energy because of its elevated position on the desk. When the pencil is pushed off the desk, it begins to move, which means that it has kinetic energy. Kinetic energy is the energy of motion.

As the pencil falls off the desk, its potential energy is transformed into kinetic energy, which is the energy that results from its motion. The faster the pencil falls, the greater its kinetic energy will be because kinetic energy is directly proportional to the square of an object's velocity.

Therefore, when you push a pencil off your desk, the potential energy that it has because of its elevated position is transformed into kinetic energy as it falls towards the ground.

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Answer:

22500 Ns

Explanation:

Given,

Mass ( m ) = 1500 kg

Velocity ( v ) = 15 m/s

Formula : -

Impulse = mv

Impulse

= 1500 x 15

= 22500 Ns

Therefore,

22500 Ns is the impulse experienced by the car.

Note : -

Ns is the unit of impulse.

Answer:

It is C the kelvin scale

Explanation:

Have a great day

Mugabe gained power by using political strategies, forming alliances, and exploiting his status as a liberation hero within ZANU-PF.

Robert Mugabe, the former president of Zimbabwe, was able to build power through a combination of political strategies and alliances. One key factor was his involvement in the liberation struggle against white minority rule in Rhodesia (now Zimbabwe).

Mugabe emerged as a prominent figure within the Zimbabwe African National Union (ZANU) party, which later merged with the Zimbabwe African People's Union (ZAPU) to form the Zimbabwe African National Union - Patriotic Front (ZANU-PF). Mugabe's role as a liberation hero and his ability to mobilize support among the majority black population of Zimbabwe gave him a strong power base.

Within ZANU-PF, Mugabe strategically positioned himself and gained influence by forming alliances and outmaneuvering rivals. He rose to become the party's leader and played a key role in negotiating the Lancaster House Agreement in 1979, which paved the way for Zimbabwe's independence in 1980. Mugabe became the country's first prime minister and later transformed the position into an executive presidency, consolidating his authority.

Mugabe maintained power through various means, including controlling key institutions such as the military, intelligence agencies, and the ruling party. He also utilized patronage networks, distributing resources and positions to loyal supporters within the party and government. Mugabe's policies, such as the controversial land reform program, further solidified his power base by appealing to nationalist sentiments and redistributing land from white farmers to black Zimbabweans.

However, Mugabe's consolidation of power was also marked by authoritarianism, human rights abuses, and a declining economy. His grip on power faced challenges over the years, including opposition movements, internal party factions, and economic crises. Ultimately, his rule came to an end in 2017 when he was ousted from power following a military intervention.

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This is electrostatic phenomenon. Chelsea see sparks as she removes her clothes from the clothes dryer because of static discharge.

Static electricity is produced by friction when two materials are rubbed together.

Why does Chelsea see sparks as she removes her clothes from the clothes dryer?

The correct answer is because of static discharge.

For instance, when a glass rod is rubbed with silk or cellulose acetate with silk, the glass will become positively charged by loosing electron to the silk whereby becoming negatively charged.

Static discharge occurs during thunder and lightning, and when combing our hair during harmattan season.

Therefore, Chelsea see sparks as she removes her clothes from the clothes dryer because of static discharge.

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Answer:

C) Static Discharge

Explanation:

The magnitude of the electric field on the master charge is 1.008 x 10¹⁰ N/C, and the force on the test charge is 5.04 x 10⁹ N.

E = kq/r²

where;

E = (9 x 10⁹ x 0.63)/(0.75²)

E = 1.008 x 10¹⁰ N/C

F = Eq

where;

F = (1.008 x 10¹⁰) x (0.5)

F = 5.04 x 10⁹ N

Thus, the magnitude of the electric field on the master charge is 1.008 x 10¹⁰ N/C, and the force on the test charge is 5.04 x 10⁹ N.

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Saturn is approximately 10 times as far away from the sun as the Earth. This means that its orbital acceleration is 1/10,000 that of the Earth.

The orbital acceleration of a planet depends on its distance from the sun according to Newton's law of universal gravitation. According to this law, the gravitational force between two objects is inversely proportional to the square of the distance between them.

Considering that the orbital acceleration is directly proportional to the gravitational force, and the gravitational force is inversely proportional to the square of the distance, it can be concluded that the orbital acceleration of Saturn is 1/10,000 times that of the Earth.

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Answer:

I believe A:  a car that traveled 80 kilometers on 5.0 liters of gas

Explanation:

Thee car which has the greatest efficiency is the one which travels 80 kilometers on 5.0 liters of gas. Thus, the correct option is A.

The fuel-efficiency or the efficiency of the car refers to the ability of a vehicle to extract the energy from fuel. The more energy a vehicle can extract from the fuel, the greater the fuel-efficiency the vehicle is said to have. Similarly, the less energy a vehicle can extract from the fuel, the less fuel-efficient the vehicle is.

Fuel efficiency = Number of kilometers travelled per liter of gas

A. A car travels 80 kilometers on 5 liters of gas

Fuel efficiency = 80/ 5

Fuel efficiency = 16km/ liter

B. A car travels 90 kilometers on 6 liters of gas

Fuel efficiency = 90/ 6

Fuel efficiency = 15km/ liter

C. A car travels 50 kilometers on 4 liters of gas

Fuel efficiency = 50/ 4

Fuel efficiency = 12.5 km/ liter

D. A car travels 70 kilometers on 5 liters of gas

Fuel efficiency = 70/ 5

Fuel efficiency = 14km/ liter

Therefore, the car which travels 80 kilometers on 5 liters of gas has the greatest efficiency. The correct option is A.

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It is TRUE that anthropologists occasionally use their research to solve problems in the real world, but most of the time they perform scholarly study for academic peers. Applied anthropologists use anthropological concepts and methodologies to address problems in the real world.

By utilizing anthropological concepts and methodologies, applied anthropologists attempt to solve contemporary issues. They strive to carry out fresh investigations around the globe and to produce new theses that incorporate those investigations. They tend to conduct research primarily on the anthropology method in an effort to come up with fresh ideas to the challenges that are currently being faced. By using this fundamental information, we may confidently conclude that while anthropologists occasionally apply their findings to real-world problems, they do it most often in the context of academic study aimed at other academics. By utilizing anthropological concepts and methodologies, applied anthropologists attempt to resolve contemporary issues.

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The complete question is:

Anthropologists occasionally apply their work to real-world problems but most of the time they conduct academic research directed at their academic peers. True or False.

At aphelion, the Earth is 96% of the Earth-sun distance at aphelion which means that the correct statement is that at aphelion, because the gravitational attraction is lower, the speed of the Earth is higher and is denoted as option B.

This is referred to as the  farthest point in the orbit of a planet such as the earth from the sun.

In a a scenario where the Earth is 96% of the Earth-sun distance at aphelion, then it means that the orbit has almost been completed which means that a high amount of speed was involved in the process.

This is as a result of the gravitational attraction being lower which has an inverse relationship with the speed of the Earth which is why it was higher and is therefore the reason why option B was chosen.

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Using Hooke's Law again, the length of the spring is equal to 17.2 cm.

Equilibrium is a state of balance between opposing forces or influences. In a state of equilibrium, these forces or influences are equal and their interaction creates a stable, balanced condition. An example of equilibrium can be seen in a river where the force of the water flowing downstream is balanced by the force of the water flowing upstream.

The spring constant k is a measure of the stiffness of a spring, and it is calculated using Hooke's Law: k = (F/x),
where F is the force applied to the spring, and x is the distance the spring stretches. In this case, the force F is equal to the mass of the object multiplied by the acceleration due to gravity (F = mg), and x is the change in the length of the spring
(x = 15 cm - 8 cm = 7 cm).
Therefore, the spring constant k is equal to (2.5 kg * 9.8 m/s²) / 7 cm = 35.7 N/m.

When a 3.0 kg mass is suspended from the spring, the force is equal to (3.0 kg * 9.8 m/s²) and the distance the spring stretches is equal to (15 cm - 8 cm = 7 cm).
Using Hooke's Law again, the length of the spring is equal to (3.0 kg * 9.8 m/s²) / 35.7 N/m = 17.2 cm.

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Complete Question:
A 8.0-cm-long spring is attached to the ceiling. When a 2.5kg mass is hung from it, the spring stretches to a length of 15cm .

What is the spring constant k?

Express your answer to two significant figures and include the appropriate units.

How long is the spring when a 3.0 kg mass is suspended from it?

Express your answer to two significant figures and include the appropriate units.

The merry-go-round stops spinning. When you grab the edge of the merry-go-round wheel with your hand, the friction force between your hand and the wheel causes the wheel to slow down and eventually come to a stop.

The direction of rotation before you stopped the wheel will determine the direction it rotates after you stop it.

If the wheel was rotating clockwise before you stopped it, it will rotate counterclockwise after you stop it, and vice versa.

This is due to the conservation of angular momentum, which states that the total amount of angular momentum in a closed system remains constant unless acted upon by an external torque.

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sunlight contains ultraviolet rays only best describes the forms of electromagnetic waves produced by sunlight. Hence option A is correct.

A fraction of the electromagnetic energy emitted by the sun, including infrared, visible, and ultraviolet light, is known as sunlight. When the Sun is above the horizon, sunlight on Earth is seen as daylight after being dispersed and filtered by the atmosphere. Sunshine, a mix of brilliant light and radiant heat, is what we feel when direct solar radiation is not obstruct by clouds. Sunlight is diffused when it is obstructed by clouds or reflected off of other surfaces. According to sources, the average solar radiation received by each square metre on Earth during a 24-hour period ranges from 164 to 340 watts[1]; according to NASA, this amount represents roughly 25% of the planet's average total solar irradiance.

Sunlight's UV radiation has both favorable and unfavorable impacts on health.

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SWOT Analysis Strengths- Paley’s Products has a low overhead cost with the company operating at a high level of efficiency, resulting in competitive pricing.- They have a team of experienced employees who have worked in the industry for several years.- They have a variety of products in the portfolio that can satisfy customers from different sectors.- They are reputable and have a loyal customer base.Weaknesses- They have been slow to adopt new technology, and this may be a disadvantage to the company.- Limited marketing and sales promotion are affecting their sales revenue.-

They depend on a few key customers for the bulk of their sales revenue, leaving them vulnerable to market changes.Opportunities- Expansion of the product line to include unique products.- The establishment of strategic partnerships with other businesses in the industry.- Exploration of new markets, such as international markets.- Improvement of marketing techniques to increase brand awareness.Threats- Changes in consumer preferences towards environmentally friendly products.- Increase in competition from other businesses in the industry.- Fluctuating market prices for raw materials that may lead to price increases.

Strategic Actions to be taken by Paley Products1. Development of an E-commerce platform to allow online transactions with customers. The E-commerce platform will enable Paley to reach a wider customer base, expand its reach, and increase sales revenue.2. Investment in the research and development of new environmentally friendly products. Paley will remain competitive and cater to the needs of consumers who prefer green products.3. Establishment of strategic partnerships with other businesses in the industry to leverage the strength of other companies in the industry and to develop new products or increase market share.4. Improvement of marketing techniques to increase brand awareness and improve visibility. A marketing strategy that incorporates social media and other digital channels can help promote the brand to potential customers.5. Expansion into international markets. This will enable Paley to diversify its customer base and generate more revenue. Paley can start by targeting nearby countries, then expand globally as they gain more experience and financial stability.

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The true statements are:Jupiter's Great Red Spot is in the southern hemisphere.The fastest wind speed recorded in our solar system is on Neptune.

Among the given statements, only two are true. Jupiter's Great Red Spot, a massive storm, is indeed located in the southern hemisphere of the planet. The Great Red Spot is a prominent feature on Jupiter, visible as a giant swirling storm system. On the other hand, the fastest wind speed recorded in our solar system, reaching speeds of up to 2,100 kilometers per hour (1,300 miles per hour), is found on Neptune.

The strong winds on Neptune contribute to its dynamic atmosphere and the formation of features like the Great Dark Spot. The remaining statements about Pluto, Saturn's moon Enceladus, and Uranus are not true according to our current understanding.

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The action and reaction law allows us to find that the reaction force, the weight of the cylinder, is:

Newton's third law or action and reaction law, establishes that if two bodies interact with each other the force that one applies to the other, is equal in magnitude to the force of the second on the first but in the opposite direction, that is, all forces act in pairs one in each body that interact.

Forces with these characteristics are called action and reaction.

In this case we have a hanging cylinder, with the cylinder it has mass so the weight is 12 N it acts on the table in a downward direction, let's say this is the action force.

In response to this force, the table exerts a force on the cylinder of equal magnitude but in the opposite direction, which is why it is directed upwards.

let's analyze the force diagram

In conclusion using theaction and reaction law we find that the answer for reaction force is:

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Answer:

ΔK = -6 10⁴ J

Explanation:

This is a crash problem, let's start by defining a system formed by the two trucks, so that the forces during the crash have been internal and the moment is preserved

initial instant. Before the crash

        p₀ = m v₁ + M 0

final instant. Right after the crash

        p_f = (m + M) v

        p₀ = p_f

        mv₁ = (m + M) v

        v = \(\frac{m}{m+M} \ v_1\)

we substitute

        v = \(\frac{20}{20+40}\)   3

        v = 1.0 m / s

having the initial and final velocities, let's find the kinetic energy

        K₀ = ½ m v₁² + 0

        K₀ = ½ 20 10³ 3²

        K₀ = 9 10⁴ J

        K_f = ½ (m + M) v²

        K_f = ½ (20 +40) 10³  1²

        K_f = 3 10⁴ J

the change in energy is

       ΔK = K_f - K₀

       ΔK = (3 - 9) 10⁴

       ΔK = -6 10⁴ J

The negative sign indicates that the energy is ranked in another type of energy

The image of the tree between the focus point F and the mirror moves behind the curved mirror. This is further explained below.

A smooth surface such as glass that reflects pictures In the mirror, the law of reflection says that when a ray of light is produced to fall on a reflecting surface, the reflected ray has its angle of reflection, the incident ray has its angle of reflection, and the reflected ray is normal to the surface at a point of incidence.

In conclusion, Behind the curved mirror, the image shifts.

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Answer: The image moves behind the curved mirror.

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Waves can travel through different types of matter, and their speed of propagation can vary depending on the properties of the medium as solid, liquids and gases.

Generally, waves travel the fastest through solids, followed by liquids, and then gases. Therefore, the types of matter that waves can travel through from fastest to slowest are:

It's important to note that the actual speed of waves in a particular medium depends on various factors, including the specific properties of the material, such as density, elasticity, and compressibility, as well as the type of wave being considered (e.g., sound waves, electromagnetic waves).

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Answer:

b) a compound which produces ions dissolved in a solution that conduct electricity.

NaCl is an electrolyte.

The process by which plastic deformation is produced by dislocation motion is called slip deformation.

When applied stress exceeds the elastic limit or yield stress, the deformation of the material body occurs. This is due to the result of a slip or dislocation mechanism at the atomic level. Plastic deformation in a metal has two prominent mechanisms, and they are. When we apply a shear stress on an object in a particular direction to change its shape or anything that we cam do. the shear stress generate a strain on the object and changes its shape to the extent that we can do by the force. the shape is changed to the extent by the force applied on the part of it and we can take a look into it. A prominent mechanism of deformation in metal is slip. By this particular information we can firmly conclude that the process by which plastic deformation is produced by dislocation motion is called slip deformation.  

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