Consider a certain object A. Which of the following is an example of its internal energy?
A. Energy of a second object in thermal contact with object A
B. Elastic energy due to stretched bonds between different parts of object A
C. Energy due to the magnetic forces exerted on each part of object A
D. Energy due to the electric forces exerted on each part of object A

Answer:

the statement is TRUE

Explanation:

When we move in the same direction, the relative speed of the two vehicles is lower, so we must subtract their speeds, if the result is positive the vehicles approach and if it is negative they move away.

      v_relative = v₁ - v₂

When the two vehicles go in opposite directions, the speed is much higher, so we must add their speeds

     v_relative = v₁ - (-v₂))

     v_relative = v₁ + v₂

therefore the statement is TRUE

The total displacement would be 110m.

The total distance is 50 m + 30 m + 30 m = 110 m. The displacement is the shortest route from the starting point. It is solved using vectors.

What is Displacement?
Displacement is a vector quantity which depends on the direction of motion but distance is a scalar quantity which just sums up all the given quantity values. The displacement is simply the difference between the locations of the two markers and is unrelated to the route used to get there. It is a vector quantity that has a direction and magnitude.

Hence, the total displacement if you walk 30m East and 50m North would be 110m.

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Answer:

58.31 meters northeast

Explanation:

The displacement can be modeled into the vector equation of \(\displaystyle{\vec s = 30\hat x + 50\hat y}\). We can find the magnitude of displacement by applying Pythagoras Theorem. Suppose we have a two-dimensional vector equation \(\displaystyle{\vec v = a\hat x + b\hat y}\) then the magnitude of vector is \(\displaystyle{|\vec v\, | = \sqrt{a^2+b^2}}\).

Therefore, the magnitude of displacement is:

\(\displaystyle{|\vec s\, | = \sqrt{30^2+50^2}}\\\\\displaystyle{=\sqrt{900+2500}}\\\\\displaystyle{=\sqrt{3400}}\\\\\displaystyle{\approx 58.31 \ \sf m}\)

Since 30 meters east and 50 meters north form northeast direction then the displacement is 58.31 meters northeast.

The light oscillates electrons which then absorbs some of the energy and reemit it thereby causing a delay.

This is defined as a subatomic particle which has a negative charge. In the glass of water the light oscillates the electrons which absorbs some energy.

The re-emission is what slows light when it passes from air into glass or water.

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Answer:

9.461 trillion kilometers

Answer:

An object can store energy as the result of its position. for example, the heavy ball of demotation machine is storing energy when it is hold at an elevated position

In order to form a hypothesis that would illustrate the relationship between mass and kinetic energy, we first need to understand what kinetic energy and mass are and how they are related. Kinetic energy is the energy that an object possesses due to its motion, and is given by the formula KE = 0.5mv², where m is the mass of the object and v is its velocity. Mass, on the other hand, is a measure of the amount of matter in an object.

The relationship between mass and kinetic energy is direct, meaning that as mass increases, so does kinetic energy, provided that velocity remains constant. Similarly, if velocity increases, then kinetic energy will increase as well, provided that mass remains constant.

The hypothesis that illustrates this relationship can be stated as follows:If the mass of an object is increased, then the kinetic energy of the object will also increase, because kinetic energy is directly proportional to mass, assuming velocity remains constant.In other words, if the mass of an object is doubled, then its kinetic energy will also double, assuming that its velocity remains constant. This hypothesis can be tested through experiments that involve measuring the kinetic energy of objects with different masses, but with the same velocity.

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If the mass of an object increases, then its kinetic energy will increase proportionally because mass and kinetic energy have a linear relationship when graphed.

Answer:

The car must move at 2 m/s to have a Ke of 2,000 Joules.

Explanation:

Mark me pls

Answer:

The direction of the magnetic force on a moving charge is perpendicular to the plane formed by v and B and follows right hand rule–1 (RHR-1)

Explanation:

hope this helps

Answer:

The direction is into the page. Your thumb is along the velocity vector and your fingers travel along the magnetic-field vector to leave your palm moving into the page

Explanation:

Plato

Explanation:

Thermocouples are used in applications that range from home appliances to industrial processes, to electric power generation, to furnace monitoring and control, to food and beverage processing, to automotive sensors, to aircraft engines, to rockets, satellites and spacecraft.

Answer:

Orbital velocity of earth is 2.89 × 10⁵ m/s

Explanation:

Answer:

I think it a

Explanation:

Answer:

c

Explanation:

Answer:

B

Explanation:

in comparison, the sun is a soccer ball, and the earth is a head of a needle, and the moon is a speck of salt

Acceleration is defined as the rate of change of velocity with respect to time. In this case, the person's speed increased by 20 m/s over a time of 20 seconds. To calculate the acceleration, we can use the formula:

Acceleration = (Change in velocity) / (Time)

In this case, the change in velocity is 20 m/s, and the time is 20 seconds. Substituting these values into the formula, we get:

Acceleration = 20 m/s / 20 s

Simplifying the equation:

Acceleration = 1 m/s²

Therefore, the person's acceleration is 1 m/s².

~~~Harsha~~~

ANSWER: 4.0 N

EXPLANATION

The formula for Newton's second law is

\(F = ma\)

where:

Given:

mass (m) = 2.0 kg

acceleration (a) = \(2.0\) m/\(s^2\)

Required:

F = ?

Equation:

F = ma

Solution:

F = 2.0 x 2.0

Answer:

F = 4.0 N

Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 84 × 6.4

We have the final answer as

Hope this helps you

Answer:

$-27

Explanation:

madison's checking account had a balance of -$12. then she wrote a check for $15 which represents madison ´s account balance now?

a check is a withdrawal from the account so subtract:

-12 - 15 = -$27

Madison's account is over drafted by $27.

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The halogen elements are the six elements in Group 17 of the periodic table. Group 17 is the second column from the right in the periodic table and contains six elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (As), and tennessine (Ts).

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Hope It Helps!

From there, there was a strong and compact radio signal. There is a supermassive black hole at the Centre of our own Milky Way, according to the evidence that is most compelling.

There is a supermassive black hole in the Centre of the Milky Way that is four million times as big as the sun. Although we haven't really seen in radio signal, we are aware of its presence thanks to a number of pieces of evidence. First of all, a strong and compact radio signal is emanating from that area. Is called Milky Way.

A black hole is an area of spacetime where gravity is so intense that nothing can escape from radio signal, not even electromagnetic radiation like light. A sufficiently compact mass can distort spacetime to create a black hole, according to general relativity theory.

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​

Exaggerated feelings of self-importance are most closely linked with narcissism. Narcissism is a personality trait characterized by an inflated sense of self-worth, an excessive need for admiration, and a lack of empathy towards others.

Individuals with narcissistic traits often believe they are superior to others, crave attention and validation, and have a grandiose self-image.

They may engage in self-promotion, seek constant admiration, and exploit others for personal gain. Narcissism is associated with a sense of entitlement, a tendency to manipulate and exploit others, and a lack of empathy or concern for the well-being of others.

While a certain level of self-confidence and self-esteem is healthy, excessive narcissism can negatively impact relationships, lead to interpersonal conflicts, and hinder personal growth and development.

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Answer:

Only about 12%–30% of the energy from the fuel you put in a conventional vehicle is used to move it down the road, depending on the drive cycle. The rest of the energy is lost to engine and driveline inefficiencies or used to power accessories. Therefore, the potential to improve fuel efficiency with advanced technologies is enormous.

Answer:

Explanation:

A change in an object’s motion—such as Xander speeding up on his scooter—is called acceleration. Acceleration occurs whenever an object is acted upon by an unbalanced force. The greater the net force acting on the object, the greater its acceleration will be, but the mass of the object also affects its acceleration. The smaller its mass is, the greater its acceleration for a given amount of force. Newton’s second law of motion summarizes these relationships. According to this law, the acceleration of an object equals the net force acting on it divided by its mass.

Answer:

sitting leg curls= hamstring

shrugs=shoulders

machine curls=biceps

bench press= pectorals

Answer:

Explanation:

It increases the speed because of gravitational potential energy. Gravitational potential energy depends on height, mass, and speed which would help increase the speed.

Answer:

It increases speed because gravitational pull

Explanation:

When objects fall to the ground, gravity causes them to accelerate. Acceleration is a change in velocity, and velocity, in turn, is a measure of the speed and direction of motion. Gravity causes an object to fall toward the ground at a faster and faster velocity the longer the object falls.

Answer:

Pascal's principle states that pressure increases by the same amount throughout an enclosed or confined fluid. Archimedes' principle states that the buoyant force acting on a submerged object is equal to the weight of the volume of fluid displaced by the object.

Answer:

1) True

2) None of the above

Explanation:

Q # 1:

Weight is actually the gravitational force or force of gravity. So, it's true.

Q # 2:

None of above because force of gravity can not be negative. In order to have a negative weight, the body has to be "repelled" by gravity.

\(\rule[225]{225}{2}\)

Hope this helped!

It is important to note that the debate between scientific realism and antirealism is ongoing and complex, with various nuances and perspectives within each position. Different philosophers of science and scientists may hold different views on the nature of scientific terms and their relationship to reality.

According to a scientific realist perspective, scientific terms for unobservable phenomena such as "atom" and "black hole" are seen as referring to entities that truly exist in reality. Scientific realists believe that scientific theories and concepts accurately capture aspects of the world, including unobservable entities and phenomena. They argue that scientific theories provide the best explanation of the natural world and aim to describe the underlying structure and mechanisms of reality.

On the other hand, scientific antirealists hold a different view. They argue that scientific terms that refer to unobservable phenomena do not necessarily correspond to something that exists independently in reality. Antirealists often emphasize the instrumentalist view of science, which suggests that scientific theories are simply tools or frameworks that help us organize and predict observable phenomena, without making claims about the ultimate nature of reality.

Antirealists may argue that scientific theories are subject to revision and change over time as new evidence emerges, suggesting that the terms used to describe unobservable phenomena are not fixed and may not have a one-to-one correspondence with actual entities in reality. They may also highlight the role of social and cultural factors in shaping scientific knowledge, suggesting that scientific terms are influenced by human conventions and interpretations.

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True. Greenhouse gases are gases that can trap heat within the Earth's atmosphere.

They allow visible light to pass through them and reach the Earth's surface.

Once this light reaches the surface, it is absorbed by the land, oceans, and vegetation, causing them to heat up.

However, once the surface has been heated, it begins to radiate heat back into the atmosphere in the form of infrared radiation.

Greenhouse gases such as carbon dioxide, methane, and water vapor are very effective at absorbing this infrared radiation, trapping the heat near the Earth's surface. This is known as the greenhouse effect, and it is the reason why the Earth's average temperature is approximately 15°C (59°F), making it hospitable to life.

However, human activities, particularly the burning of fossil fuels, have increased the levels of greenhouse gases in the atmosphere, which has led to an enhanced greenhouse effect.

This enhanced greenhouse effect has caused the Earth's average temperature to increase, leading to a range of impacts, including rising sea levels, more frequent and severe weather events, and changes in ecosystems.

To address this issue, it is crucial to reduce greenhouse gas emissions and transition towards cleaner, more sustainable energy systems.

This includes measures such as investing in renewable energy, improving energy efficiency, and transitioning away from fossil fuels.

By taking action to reduce greenhouse gas emissions, we can help to protect the planet and ensure a livable future for generations to come.

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Answer:

Monday        - Jog.

Tuesday       - Eat at a Salad Bar.

Wednesday   - Bike ride.

Thursday      - gym.

Friday          - Kale Smoothie.

Explanation: