How can you describe the differences between waves?

The value technicians on ship B get by measuring the speed of light emitted by ship A's headlight is approximately 299,792 kilometers per second (km/s), which is the constant speed of light in a vacuum.

The speed of light is a fundamental constant in the universe and does not change regardless of the relative motion of the observer (technicians on ship B) and the source of light (ship A's headlight).

The speed of light in a vacuum is always approximately 299,792 km/s, and this value will be measured by the technicians on ship B.

1. Technicians on ship B will use an appropriate instrument to measure the speed of light emitted by ship A's headlight.

2. The instrument will detect the light waves from ship A's headlight.

3. The speed of light will be calculated based on the time it takes for the light waves to travel a known distance.

4. The result will be the constant speed of light in a vacuum, approximately 299,792 km/s.

By measuring the speed of light emitted by ship A's headlight, technicians on ship B will obtain the constant value of approximately 299,792 km/s, which is the speed of light in a vacuum. This value does not change due to the relative motion of the observer and the source of light.

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Attraction between people is Gravitation while people and earth is Gravity.

Every body in the universe attracts every other body with a force called force of gravitation. The attraction between sun and earth , attraction between table and chair lying in a room ..etc. are examples of gravitation. Gravitation is the weakest of four basic forces in nature. However , its most important force as it has its contribution in initiating the birth of stars and controlling the structure and evolution of entire universe.

Gravity is the special case of gravitation. If one of the attraction body is earth then gravitation is gravity.

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Answer:

So the answer would be no, because the medium 1 value must be greater than the value of medium 2.

Explanation:

The value of n1 must be greater than the value of n2.

Medium 1 - Index of Refraction (n1): 1.52  

Medium 2 - Index of Refraction (n2): 1.92

I think that is correct

Answer:

The factors of production include Land, Labour, Capital and Enterpreneurship

Explanation:

The fruit could be apple, orange , pineapple etc which are usually grown on land . They are tended to by people to ensure there is maximum yield. These people provide the required labour needed.

The cost of planting and payment of workers usually comes from the capital which is often used in running the business by the owner which makes certain decisions to ensure the fruit company is in place. All these factors work hand in hand to ensure production of fruit in a production company is possible.

As a defence against predators, plants can have thorns on their stems or poison on their foliage.

For many plants, physical defences serve as their first line of defence. Herbivores find it challenging to consume vegetation because of these defences. Physical barriers include things like the thorns on flowers and the spikes on trees like hawthorn. These bodily barriers prevent herbivores from consuming the stalks or leaves of plants by injuring them.

The first line of defence against pathogens is the outer covering of a plant, which is comparable to our skin and is also referred to as the epidermis. On some plant sections, such as the bark of a tree or the waxy cuticle on leaves, extra layers protect the epidermis itself.

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true because

brick: solid

milk: liquid

ice cube: solid

Answer:

i) Power = Force * Velocity = 1100 * 15 = 16500 W = 16.5 kW(ii)  Find the value of k first: F = 400 + k(15^2)                                              k = 28/9    F = 400 +(28/9)(30^2) = 320

Explanation:

Answer:Explanation:

Protons and neutrons have very similar mass, while electrons are far lighter, approximately 11800 times the mass. Protons are positively charged, neutrons have no electric charge, electrons are negatively charged. The size of the charges is the same, the sign is opposite.

If an object with a mass of 100g has a weight of 1 N on Earth, the volume of water displaced by the object​ is 100 cm³.

To find the volume of water displaced by the object, take the formula:

Volume = Mass ÷ Density

According to question:

Mass of the object = 100g

Density of water = 1g/cm³

Change the mass to kilograms:

Mass = 100g ÷ 1000 = 0.1kg

By using the formula, it is possible to find the volume of water displaced:

Volume = 0.1kg / 1g/cm³

= 0.1kg / 1g/cm³ × 1000g/1kg × 1cm³/1g

= 0.1 × 1000 cm³

= 100 cm³

Thus, the volume of water displaced by the object​ is 100 cm³.

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Answer:

Its b

Explanation:

I just did this question

The question that can be answered by scientific investigation is that can be answered by gathering  data during an experiment. Thus option B is correct.

Investigation on a natural phenomenon or process to solve a scientific question or to solve a social or environmental issue by well designed experiments based on reasonable observations is called scientific investigation.

A scientific investigation includes, variables, hypothesis , observations, research  methodology. Scientific experiments have to well designed to address all the outcomes of the observations and  must be feasible to prove whether the hypothesis is true or not.

Scientific investigations cannot be conducted based on only opinions from scientists or scientific record. The data have to be collected through experiments conducted by well designed research methodology.

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Answer:

The metal is beginning to rust

Explanation:

Because when it is out side a small layer of condensation begins to form which the turns to rust as it is outside colliding with the cold air

As long as the applied stress is removed, a material that is linearly elastic experiences stress and strain that are directly proportional within the elastic limit.

In a material that is linearly elastic, the Young's modulus (E), stress, and strain are all related by the equation you supplied, E =. Here is a quick definition of each phrase:

(E) Young's modulus It is a way to gauge how hard or stiff a material is. Within the elastic limit of the material, it indicates the stress to strain ratio. The stiffer the material, the higher the Young's modulus.

Stress (): The force exerted to a material's surface area is called stress. The internal resistance of a material to deformation under an applied force is measured by stress.

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Answer:

Jump Rope.

Explanation:

The given statement is that the temperature in degrees Fahrenheit in times square during a day in August can be predicted by the function t(x).

Hence, it can be stated that the function t(x) provides a prediction for the temperature in degrees Fahrenheit in Times Square for a given value of x. Here, x represents the input variable.

It is important to note that the input variable must be provided in the correct units and format as required by the function t(x).The content loaded refers to the data that has been previously collected and is available for analysis. In the context of predicting temperature using function t(x),

the content loaded can refer to temperature data collected in Times Square during August on previous days or years. This data can be analyzed and used to develop the function t(x) that predicts temperature for a given input variable x.

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The skier be moving when she reached the end of the patch v = 5.64 m/s.

Displacement is a noun that denotes movement or displacement of an object. The definition of displacement is the alteration of an object's position.

This is the total length of the path; the total length of the path is the distance covered, whereas the displacement is the change in position. one-dimensional displacement and distance. one-dimensional displacement and distance. The nonprofit 501(c)(3) Khan Academy was founded.

Let S be the displacement

∆KE = \(W_{f}\)

0-1/2mu² = -umgS

S = u²/2ug

S = (5.37)²/2×0.22×9.8

S = 6.69m.

Let v be the final speed

∆KE = \(W_{f}\)

1/2mv²-1/2mu² = -μmgS

v² = u²-2µgS

v² = (6.69)²- (2 x 0.22 × 9.8 × 2.99)

v² = 31.86

v = 5.64 m/s.

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The  semi-major axis of an elliptical planetary orbit is equal to the distance between the planets and the Sun at aphelion.

The term semi major axis refers to a half of the of the distance from middle of an ellipse to another end of the ellipse.

Recall that the solar system has the sun at the center if the ellipse. Hence, the  semi-major axis of an elliptical planetary orbit is equal to the distance between the planets and the Sun at aphelion.

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c. A current is induced in the coiled wire, which lights the light bulb.

If we kept the bar magnet stationary and moved the coil back and forth within the magnetic field an electric current would be induced in the coil.

Then by either moving the wire or changing the magnetic field we can induce a voltage and current within the coil and this process is known as Electromagnetic Induction and is the basic principle of operation of transformers, motors and generators.

When the magnet shown below is moved “towards” the coil, the pointer or needle of the Galvanometer, which is basically a very sensitive center zeroed moving-coil ammeter, will deflect away from its center position in one direction only.

When the magnet stops moving and is held stationary with regards to the coil the needle of the galvanometer returns back to zero as there is no physical movement of the magnetic field.

Therefore ,

If you move a bar magnet back and forth along the axis of the coiled wire shown below then a current is induced in the coiled wire, which lights the light bulb.

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A particle is restricted to moving in a circle of radius of 10 meters. The particle is moving at a speed of ten m/s and is speeding up at a of 1.0 m/s2. The particle's acceleration and velocity vectors meet at an angle.

In physics, what is a particle?

It doesn't matter how big or small or even microscopic anything is; a particle is only a tiny, discrete element of it. Its concept of the particle can possibilities on what a scientist or designer is researching. If a particle is even smaller, such as a quark or a lepton, a theoretical physicist will still regard it to be a particle.

Describe particle?

Any substance made up of particles is referred to as a particulate. However, rather than a linked particle aggregation, the noun "particulate" is most usually used to refer to contaminants in the Upper orbit, which are a dispersion of disconnected particles. Dots are a common way to represent particles.

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Gravity is also called gravitation, in mechanics, the universal force of attraction acting between all things. Gravitation is the weakest forces of all the forces.

We now know that gravity is not actually a force, but due to what?

Gravity is more accurately can be defined by the theory of relativity which is composed by Albert Einstein in 1915. This theory tells us that gravity is not a force  but as the curvature of spacetime, caused by the uneven distribution of mass, and causing masses to move along geodesic lines. In general relativity gravity is not define as force between two forces. Gravity is a force of attraction between two bodies.

So we can conclude that: Gravity is also called gravitation, in mechanics, the universal force of attraction acting between all things. Gravitation is the weakest forces of all the forces.

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Answer:

33.23 m

Explanation:

At the point where both objects will meet, the vertical height will be equal.

From the equations of motion, the vertical height of the body falling at any time is given as

(y - y₀) = ut + ½gt²

y = vertical height at any time T

y₀ = initial height of the object = 81.5 m

u = initial velocity = 0 m/s (body was dropped)

g = -9.8 m/s²

(y - 81.5) = 0 - 4.9T²

y = 81.5 - 4.9T² (eqn 1)

For an object thrown up, the vertical height of the body at any time, t, is given as

(y - y₀) = ut + ½gt²

y = vertical height of the object at any time t

y₀ = initial height of the object = 0 m

u = initial velocity = 40 m/s

g = -9.8 m/s²

y = 40t - 4.9t² (eqn 2)

At the point where the two objects meet, we equate eqn 1 and eqn 2

y = y

81.5 - 4.9T² = 40t - 4.9t²

But T = (t + 2.2) (Since object 2 was dropped 2.2 s after object 1)

81.5 - 4.9(t + 2.2)² = 40t - 4.9t²

81.5 - 4.9(t² + 4.4t + 4.84) = 40t - 4.9t²

81.5 - 4.9t² - 21.56t - 23.716 = 40t - 4.9t²

81.5 - 21.56t - 23.716 - 40t = 0

57.784 = 61.56t

t = (57.784/61.56) = 0.93866 = 0.94 s

Therefore, the vertical height at t = 0.93866 s is

y = (40×0.93866) - 4.9(0.93866²) = 33.23 m

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The strength of the magnetic field at the centrer of coil is calculated to be 1.97× 10⁻⁷ Tesla

A magnetic field is a vector field that explains the magnetic impact on moving charges, currents, and magnetic materials. A moving charge in a magnetic field is subjected to a force that is perpendicular to both its own velocity and the magnetic field.

We know that for a circular wire the magnetic field at the center is given by

B= μI/2r

Here, μ= 4π×10⁻⁷

I= current flowing= 0.15A

r= radius of the circular wire

In the given question the wire of length 3m is bent into a circular coil of one turn.

So, the circumference of coil will be equal to the length of the coil.

Length= circumference= 2πr

2πr= 3m        (π≅3.14)

r=  \(\frac{3}{2* 3.14}\)= 0.477 m

Now putting the value of r= 0.477 m in magnetic field formula we get

B= \(\frac{4\pi }{2* 0.477}\)×10⁻⁷

B= 1.97× 10⁻⁷ Tesla

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Answer:

Some stars in space can come to life causing humans to be amazed but at thesame time in great/critical danger.

Answer:

I’m glad you asked!

Explanation:

So let’s just say it is Fiction.Science fiction is perfect because it is with space and science,but it is fiction.

Science fiction!

The magnitude of the emf e induced in the loop after exactly time 9.00 s has passed since the circumference of the loop started to decrease is 0.0124V

Magnitude is simply "distance or amount" in the context of physics. In terms of motion, it shows the absolute and relative size, direction, or movement of an item. It is used to describe something's size or scope. Magnitude in physics often refers to a size or amount.

Magnetic Flux(t) = BA(t) = (B)(pi)[r(t)]^2

C(t) = \(C_0\)-at = 2π[r(t)]

So (B)(π)[r(t)]^2 = (B)(π)[C(t)/(2pi)]^2

= (B)[C(t)]^2/(4π)

By the chain rule of calculus dx^2/dt = 2x(dx/dt)

emf = (1.0)(0.11/(2π))(1.7-((9)(.11))) = 0.0124V

emf = (π)(B)(2r)abs(dr/dt)

emf = BC(t)abs(dr/dt)

emf at (t=9) = B(C_0+(dC/dt)t)abs(dr/dt)

emf = (1.0)(0.11/(2pi))(1.7-((9)(.11))) = 0.0124V

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Aluminum articulated ladders are versatile and commonly used for various tasks that require a combination of straight and extension ladder configurations.

However, there are certain situations where you should avoid using them. One such situation is when working around electrical equipment or power lines, as aluminum is a conductor of electricity and can increase the risk of electrical shock. In these cases, it is recommended to use a non-conductive fiberglass ladder. Another situation to avoid using an aluminum articulated ladder is when working on uneven or unstable surfaces, as the ladder may not provide the necessary stability and could tip over, resulting in injuries. In summary, it is best to avoid using an aluminum articulated ladder when working around electrical equipment or power lines and on uneven or unstable surfaces.

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All of her stored chemical energy was transformed. Option D

We have to note that the person that is riding the bike is obeying the law of the conservation of energy. Recall that following the law of the conservation of energy, we can see that energy can neither be created nor destroyed but can be transformed from one form to the other.

The  chemical energy that have been stored in the body of the person that is pedaling the bike have been transformed into mechanical energy as she is pedaling this she needs more food.

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Answer:

False

Explanation:

Since energy cannot be destroyed nor created but it can only be transformed from one form to another, the three possibilities energy transformations will be:

Conservation of energy state that energy cannot be destroyed nor created but it can only be transformed from one form to another.

When a fast moving roller coaster finishes its ride, before this, the roller coaster will be experiencing maximum kinetic energy. when it is trying to come to rest, the maximum energy = kinetic energy + potential energy and when it finally comes to a stop, the maximum energy will be equal to potential energy.

Therefore, the three possibilities energy transformations will be Kinetic energy, kinetic energy + potential energy and potential energy.

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Actress Cindy williams stars in Shirley Feeney on the television sitcom Laverne & Shirley.

Cynthia Jane Williams (August 22, 1947 - January 25, 2023) was an American entertainer and maker, referred to for her job as Shirley Feeney on the TV sitcoms Cheerful Days (1975-1979), and Laverne and Shirley (1976-1982). She likewise showed up in American Spray painting (1973) and The Discussion (1974).

After school, Williams started her expert vocation via landing public ads, which included Encourage Award shades and TWA. Her most memorable jobs in TV, among others, were on Room 222 Babysitter and the Teacher, and Love, American Style.

Williams went with an entertainer companion from Los Angeles City School who required a scene accomplice for the tryout and was likewise acknowledged at The Entertainers Studio West, yet seldom went to because of acting commitments. Williams got significant film jobs right off the bat in her vocation: George Cukor's Movements with My Auntie (1972); as Laurie Henderson, Ron Howard's personality's secondary school darling in George Lucas' American Spray painting (1973) for which she procured a BAFTA designation as Best Supporting Actress; and Francis Portage Coppola's The Discussion (1974). She tried out alongside large number of others, for Lucas' Star Battles for the job of Princess Leia, yet Leia was eventually played via Carrie Fisher since Lucas wished to project questions, as in American Graffiti.

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Answer:they are in group 17 and called halogens

Explanation:

Answer:

Bar graph

Explanation:

each day collects data so a bar graph would work.

Answer:

Bar graph would work :)