two stars that are close together are photographed through a telescope. the black and white film is equally sensitive to all colors. which situation would result in the most clearly separated images of the stars?

The option that does not accurately describe what we observe toward the Galactic center is, at optical wavelengths, we see a cluster of old, red stars. Option C.

This is because at optical wavelengths, the light is blocked by dust and gas in the Galactic center, and hence, we are not able to observe the old, red stars. However, at radio wavelengths, we see giant gas clouds threaded by powerful magnetic fields, which are responsible for the formation of stars in the center. At infrared wavelengths, we see a massive stellar cluster, which includes young, massive stars that emit a lot of infrared radiation.

At X rays, we see faint emission from an accretion disk around a black hole, which is the result of material being pulled into the black hole and emitting X-rays. Thus, all the other options accurately describe what we observe toward the Galactic center, except for option C.

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The prove of  Angle XYZ- Angle NYM is given below:

Note that from the image given;

Since ∠XYZ is said to be congruent to ∠NYM it can be proven by the use of the reflexive property.

The reflexive property is one that informs that any shape is regarded congruent to itself.

Since ∠NYM has a different way to call ∠XYZ that uses a different vertexes, but the sides are made up of the two angles which are said to be the same.

Therefore , ∠XYZ ≡ ∠NYM are proved by the reflexive property.

Since ΔXYZ is the same with Δ NYM, it can be proven by the AA (angle-angle) similarity theorem.

We have 2 angles Δ XYZ and Δ NYM:

Note that ∠YXZ ≡ ∠YNM

              ∠XYZ ≡ ∠NYM

So,  ΔXYZ is said to be the same to ΔNYM and it is proven by the AA similarity theorem.

Therefore, The prove of  Angle XYZ- Angle NYM is given below:

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Answer:

1. parrael

2. corresponding angles theorem

3. NYM

4. AA

Explanation:

just took it

Answer:

Put away guns in a lockbox that is secure and in a discrete location

Explanation: Took the test. Trust me ;)

Answer:

Put away guns in a lockbox that is secure and in a discrete location

Explanation: Just Trust Me

Answer:

   f = 6.37 Hz,       T = 0.157 s

Explanation:

The expression you have is

       y = 5 sin (3x - 40t)

this is the equation of a traveling wave, the general form of the expression is

      y = A sin (kx - wt)

where A is the amplitude of the motion, k the wave vector and w the angular velocity

Angle velocity and frequency are related

         w = 2π f

         f = w / 2π

from the equation w = 40 rad / s

        f = 40 / 2π

        f = 6.37 Hz

frequency and period are related

       f = 1 / T

       T = 1 / f

       T = 1 / 6.37

       T = 0.157 s

Answer:

definition of matter is that matter takes up space and has mass

Answer:

this ans is 42.85

Explanation:

i dont not explain but i hipe you get it

The acceleration of the particle is constant \((a=9.8 m/sec^2)\), and it is vertically downward. Therefore, the correct option is diagram no 4.

In the case of a projectile launched into the air, the acceleration acts vertically and is influenced by gravity.

Let's analyze the three points along the path of the projectile:

1. On its way up: At this point, the projectile is moving upwards, and gravity is acting in the downward direction. Therefore, the acceleration of the projectile at this point is directed downward to oppose the upward motion and eventually bring the projectile to a stop.

2. At the top: The projectile reaches its maximum height and momentarily comes to a stop before starting to fall back down. At this point, the acceleration is solely due to gravity, and it acts vertically downward. The acceleration at the top of the projectile's path is directed downward.

3. On its way down: The projectile is now moving downward, and gravity continues to act in the downward direction. The acceleration at this point is again directed downward, assisting the downward motion of the projectile.

Considering these factors, the drawing that correctly represents the acceleration of the projectile at these three points should show the acceleration vector pointing vertically downward in all three positions.

This represents the consistent influence of gravity on the projectile throughout its motion.

Therefore, the correct option is diagram no 4. The acceleration of the particle is constant \((a=9.8 m/sec^2)\), and it is vertically downward.

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A cannonball is shot from the top of a 47.8 m high hill at a speed of 53.7 m/s. The height then is 61.81 m/s.

The motion of an object with constant acceleration is described by a set of equations known as kinematic equations. Integrals, derivatives, and rates of change must all be understood in order to solve kinematics equations.

Velocity is the rate and direction of an object's movement, whereas speed is the time rate at which an object is moving along a path. In other words, velocity is a vector, whereas speed is a scalar value.

The kinematic equation is:

v² = u² + 2gs (a = g)

Where u is the initial velocity, a is the acceleration, and v is the velocity after the time period t.

(53.7)² + 2 x 9.8 x 47.8 m

Therefore, the height is 61.81 m/s.

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it’s 144.2 I have it in my notes from when I was in school!!!!

Answer:

The process is given in the pic.

I have taken the average masses so u substitute the values and solve hope it will help :)❤

Answer:

Hope this helps :)

Thanxx :)

If an object orbits the Sun at an average distance of 32 astronomical units (AU), the question is asking for the orbital period of this object in Earth years.

The orbital period of a planet or any object orbiting the Sun can be determined using Kepler's Third Law of Planetary Motion. According to Kepler's Third Law, the square of the orbital period is directly proportional to the cube of the semi-major axis of the orbit.

In this case, the average distance of the object's orbit is given as 32 AU. The semi-major axis of an elliptical orbit is equal to the average distance, so we can consider the semi-major axis as 32 AU.

Using the relationship from Kepler's Third Law, we can set up the following equation:

(T₁ / T₂)² = (a₁ / a₂)³

Letting T₁ represent the orbital period in Earth years and a₁ represent the average distance in AU, we have:

(T₁ / 1 year)² = (32 AU / 1 AU)³

Simplifying the equation, we find:

(T₁ / 1)² = 32³

T₁² = 32³

Taking the square root of both sides, we get:

T₁ = √(32³)

Calculating the value, the orbital period in Earth years would be approximately 165.77 years.

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The two factors affecting the gravitational attraction between the astronaut and earth are the mass and distance.

Although an astronaut in orbit around the Earth experiences less of the effects of gravity than someone on the planet's surface does, this is not the reason why an astronaut feels weightless. Most manned spacecraft, including the International Space Station and the Space Shuttle, cannot travel so far from the Earth. Only around 11% of the Earth's gravitational pull is reduced at those heights compared to the planet's surface.

Because gravity is such a weak force, you don't see gravitational effects between items in a spacecraft. Gravity is by far the weakest of the four fundamental forces about which scientists can be certain.

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The mass and distance between the astronaut and the earth are the two variables influencing the gravitational pull.

This is not the reason why an astronaut feels weightless, even if an astronaut in orbit around the Earth feels less of the effects of gravity than someone on the planet's surface does. The majority of human spacecraft, such the Space Shuttle and International Space Station, are unable to travel that far from the Earth. In comparison to the planet's surface, just around 11% of the Earth's gravitational attraction is diminished at those altitudes.

In a spaceship, there are no gravitational influences between the objects because gravity is such a weak force. Of the four fundamental forces, gravity is by far the one about which physicists are most certain.

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Given

Time taken is t=8 s.

The initial speed is u=7 m/s

The final speed is v=9 m/s.

To find

The acceleration

Explanation

We know the acceleration is the ratio of the difference in the speed to the time taken.

Thus,

Conclusion

The acceleration is

Answer:

The velocity of the crossbow as it recoils is 5 m/s. This can be calculated using the conservation of momentum. The momentum of the system before the bow was triggered is 0 (since the bow is stationary). After launching the bolt, the momentum of the system is (0.10 kg * 25 m/s), so in order for the momentum of the system to remain constant, the crossbow must recoil with a momentum of (5.0 kg * -5 m/s).

A web designer is one who thinks about the best way to display information on the site.

The role of Web designers is to plan, create and code internet sites and web pages, many of which combine text with sounds, pictures, graphics, and video clips. A web designer is responsible for creating the design and layout of a website or web pages.

Web designers generally establish design guidelines, standards, and best practices. They also maintain the appearance of websites by enforcing content standards. Designing visual imagery for websites and ensuring that they are in line with branding for clients.

Therefore, a web designer is one who thinks about the best way to display information on the site.

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A nostro account and a vostro account are two types of bank accounts used in international transactions. A nostro account is held by a domestic bank in a foreign currency, while a vostro account is held by a foreign bank in the domestic currency.

These accounts facilitate cross-border transactions and provide banks with efficient means to handle international financial operations.

In the context of the Kurdistan region, let's consider a scenario where a local bank, Kurdistan Bank, maintains a nostro account and a vostro account. The nostro account of Kurdistan Bank would be held with a foreign bank, such as a bank in the United States, in US dollars.

This account allows Kurdistan Bank to receive and hold US dollars, which can be used for international transactions with clients or counterparties in the US or other countries using US dollars.

For instance, if a Kurdish company exports goods to the US, the US buyer can transfer payment in US dollars to Kurdistan Bank's nostro account.

On the other hand, Kurdistan Bank may also have a vostro account in a foreign currency, such as the Euro, with a bank located in Europe.

This vostro account allows the European bank to hold funds in Euros on behalf of Kurdistan Bank. It enables the European bank to process transactions in Euros on behalf of Kurdistan Bank's clients who need to make payments or receive funds in Euros, such as importers or exporters in European countries.

A nostro account is a foreign currency account held by a domestic bank, while a vostro account is a domestic currency account held by a foreign bank.

These accounts enable banks to efficiently facilitate international transactions by holding funds in different currencies and providing necessary financial services to clients engaged in cross-border business activities.

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Answer:

Thus, ocean currents regulate global climate, helping to counteract the uneven distribution of solar radiation reaching Earth's surface. Without currents in the ocean, regional temperatures would be more extreme—super hot at the equator and frigid toward the poles—and much less of Earth's land would be habitable.

Answer:

It would be 565m/s.

Explanation:

130 × 4.5=565

The force between the rods are -3.486 x 10⁻⁴ N, the two rods are oppositely charged, the force is an attractive force.

Force is an influence on an object or system that will cause it to undergo acceleration, change in direction or shape, or be deformed. It is the result of an interaction between two bodies, and it is measured as a vector quantity with direction and magnitude. Force can be classified into contact forces, such as a push or pull, and non-contact forces, such as gravitation.

The force between two oppositely charged rods can be calculated using Coulomb's law. Coulomb's law states: F = k(q₁×q₂)/r²

where F is the force, k is a constant, q₁ and q₂ are the charges of the two rods (in coulombs), and r is the distance between the two rods (in meters).

Therefore, the force between the two rods in your example can be calculated as follows:

F = (8.99 x 10⁹ Nm²/C²)(7.5 x 10⁻⁷ C)( -5.1 x 10⁻⁵ C) / (0.09 m)²

F = -3.486 x 10⁻⁴ N

Since the two rods are oppositely charged, the force is an attractive force.

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Answer: the answer given below

(a) Explanation: The impulse on an object is given by the change in momentum of the object. Before the collision, the bullet has momentum p1 = mv0 and the brick has momentum p2 = 0, since it is stationary. After the collision, the combined bullet-brick system has momentum p3.

Conservation of momentum requires that the total momentum before the collision is equal to the total momentum after the collision:

p1 + p2 = p3

mv0 + 0 = (m + M)V

where V is the velocity of the combined bullet-brick system after the collision. Solving for V, we get:

V = (mv0) / (m + M)

The impulse on the bullet during the collision is equal to the change in momentum of the bullet:

J_bullet = p3 - p1 = (m + M)V - mv0

Substituting the expression for V we found earlier:

J_bullet = (m + M)(mv0) / (m + M) - mv0 = 0

Therefore, the impulse on the bullet is zero during the collision.

On the other hand, the impulse on the brick during the collision is:

J_brick = p3 - p2 = (m + M)V - 0 = (m + M)(mv0) / (m + M) = mv0

Therefore, the magnitude of the impulse acting on the brick is equal to the initial momentum of the bullet, mv0, and it is in the same direction as the initial velocity of the bullet.

In summary, during the collision of the bullet and the brick, the impulse acting on the bullet is zero, while the impulse acting on the brick is mv0 in the direction of the initial velocity of the bullet.

(b) We can use the principle of conservation of momentum to solve for the velocity of the brick-bullet combination just after the collision. The total momentum of the system (bullet, brick, and Earth) is conserved before and after the collision. Initially, only the bullet has momentum, which is given by p1 = m*v0, and the momentum of the brick and Earth is zero. After the collision, the bullet becomes embedded in the brick, and the combined system of the brick-bullet has momentum p2. Since the momentum of the Earth is negligible compared to that of the bullet and brick, we can treat the system as closed and apply conservation of momentum:

p1 = p2

m*v0 = (M + m)*v

where v is the velocity of the combined system just after the collision.

Solving for v, we get:

v = (m*v0) / (M + m)

Therefore, the magnitude of the velocity of the brick-bullet combination just after the collision is:

|v| = |(m*v0) / (M + m)|

The direction of the velocity is upward, as the system swings up after the collision due to the conservation of momentum.

(c) The initial kinetic energy of the system is the kinetic energy of the bullet just before the collision, which is given by:

KE1 = (1/2)mv0^2

The final kinetic energy of the system is the kinetic energy of the combined brick-bullet system just after the collision, which is given by:

KE2 = (1/2)*(M + m)*v^2

Substituting the expression we found for v:

KE2 = (1/2)(M + m)[(mv0) / (M + m)]^2

KE2 = (1/2)(m*v0^2) / (1 + M/m)

The ratio of the final kinetic energy to the initial kinetic energy is:

KE2 / KE1 = [(1/2)(mv0^2) / (1 + M/m)] / [(1/2)mv0^2]

KE2 / KE1 = 1 / (1 + M/m)

Therefore, the ratio of the final kinetic energy of the brick-bullet combination immediately after the collision to the initial kinetic energy of the brick-bullet combination is:

KE2 / KE1 = 1 / (1 + M/m)

(d)To determine the maximum vertical position reached by the brick-bullet combination, we can use conservation of energy, assuming there is no energy loss due to friction or other dissipative forces. At the maximum height, the kinetic energy of the system is zero, and all the initial kinetic energy has been converted to potential energy due to the height above the initial position.

The initial total energy of the system is the sum of the initial kinetic energy of the bullet and the gravitational potential energy of the brick:

E1 = (1/2)mv0^2 + Mgh1

where h1 is the initial height of the brick above the ground, and g is the acceleration due to gravity.

At the maximum height, the final total energy of the system is the potential energy due to the height above the ground:

E2 = (M + m)gh2

where h2 is the maximum height reached by the brick-bullet combination above the initial position.

Since there is no energy loss, we can set the initial energy equal to the final energy:

E1 = E2

Substituting the expressions for E1 and E2 and solving for h2, we get:

(M + m)gh2 = (1/2)mv0^2 + Mgh1

h2 = [(1/2)mv0^2 + Mgh1] / [(M + m)*g]

Simplifying, we get:

h2 = (1/2)v0^2 / g + h1(M/m) / (1 + M/m)

Therefore, the maximum vertical position above the initial position reached by the brick-bullet combination is:

h2 = (1/2)v0^2 / g + h1(M/m) / (1 + M/m)

Hope this helps :)

Answer:

Bromine is heavier than air in terms of its atomic weight. Look at the periodic table bromine is lower than oxygen, nitrogen, etc. bromine in its gaseous phase will still float in air. This is due to the fact that gaseous bromine takes up a wide volume of space while having little mass.

The new velocity of the ball is 17.7 m/s north-east.

Velocity can be defined as the rate of change of displacement.

The S.I unit of velocity is m/s.

To calculate the magnitude and direction of the new velocity, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the new velocity of the ball is 17.7 m/s north-east.

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Answer: 210 J

Explanation:

Since there is no friction, coefficient of friction, μ = 0

The free body diagram is shown below

There must be a downward force due to gravity. Thus,

Net force = applied force - downward force

From the diagram,

Downward force = mgSinθ

where

m is the mass of the crate

θ is the angle between the plane and the horizontal axis

g is the acceleration due to gravity

From the information given,

m = 3

applied force = 50N

θ = 30

g = 10 m/s^2

Net force = (50 - 3 x 9.81Sin30) = 35 N

Net work = net force x distance

Given that distance = 6m,

Net work = 35 x 6

Net work = 210 J

Dalton's Law of Partial Pressures states that the total pressure of a mixture of gases is the sum of the partial pressures of each component in the mixture. In other words, the total pressure of a gas mixture is equal to the sum of the partial pressures of each gas in the mixture. The correct option is D.

Dalton's law is based on the kinetic theory of gases and assumes that gases behave independently of each other. This means that each gas in a mixture will exert its own pressure and that the total pressure of the mixture is the sum of the pressures of each gas present.

Dalton's Law of Partial Pressures is important in many applications, including gas chromatography and the study of atmospheric gases. It is also used in the medical field, where it is used to calculate the concentration of gases in the bloodstream and in anesthesia delivery systems.

Dalton's law can be expressed mathematically as:

Ptotal = P1 + P2 + P3 + ...where Ptotal is the total pressure of the gas mixture, and P1, P2, P3, etc. are the partial pressures of each gas in the mixture. The correct option is D.

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This phenomenon is caused by the refraction of light as it passes from one medium (air) to another (water).

Light refraction breaks the stick where it reaches the water. Light refracts when it goes from air to water. Light changes speed and direction when it flows from air to water. Refraction causes this alteration. The angle light enters the water determines refraction.

In this situation, the stick appears to move because light rays from the submerged section bend or refract as they transit from water to air. This optical illusion makes the stick look shattered at the water's surface.

Light refraction at the air-water contact makes the stick seem shattered.

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The  rank of these times from left to right based on the wavelength of this photon would have at each time, from shortest to longest are:

500,000 years after the Big Bang.

1 million years after the Big Bang.

100 million years after the Big Bang.

1.5 billion years after the Big Bang.

Today.

What are photon wavelength and frequency?

There is a wavelength and a frequency for every photon. The distance between two electric field peaks with the same vector is known as the wavelength. The number of wavelengths a photon travels through each second is what is known as its frequency. A photon cannot truly have a color, unlike an EM wave.

Therefore, In the standard model of particle physics, the photon is a fundamental particle. It has no discernible wavelength. The table describes it as a point particle with mass 0 and spin 1.

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The refractive index of the liquid in question is approximately 1.422.

The critical angle is a concept in optics that refers to the angle of incidence at which light, traveling from a denser medium to a less dense medium, undergoes total internal reflection.

To calculate the critical angle, you need to know the refractive index of the two media involved.

Assuming the critical angle is given for the interface between a certain liquid and air, we can use the following formula to calculate the refractive index of the liquid:

n = 1 / sin(critical angle)

where n represents the refractive index.

Let's calculate the refractive index:

n = 1 / sin(46.6°)

n ≈ 1.422

Therefore, the refractive index of the liquid in question is approximately 1.422.

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If a source of sound is traveling toward you, the speed of the sound waves reaching you is higher than the speed the sound waves would have had if the source were stationary.

The speed of sound waves in a medium is determined by the properties of the medium itself, such as its density and elasticity. In general, sound waves travel at a specific speed in a given medium, regardless of the motion of the source.

However, when the source of sound is in motion, there is an additional component to consider: the relative motion between the source and the observer. This relative motion affects the perceived frequency of the sound waves, known as the Doppler effect.

If the source of sound is moving towards the observer, the sound waves get compressed, resulting in a higher frequency and shorter wavelength. As a result, the speed of the sound waves relative to the observer appears higher than it would be if the source were stationary.

It's important to note that the actual speed of sound in the medium remains constant. It is the perceived speed or apparent speed of the sound waves reaching the observer that is affected by the motion of the source.

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Answer:

blood picks up waste products such as carbon dioxide

returns to right atrium

moves to right ventricle and to lungs

blood travels from the lungs to the left atrium

carries oxygen and nutrients to the body cells

Explanation:

In the circulatory system, the blood carries the carbon dioxide to the right atrium of the heart through superior vena cava, then it move to right ventricle through tricuspid valve. The blood move to lungs following pulmonary artery and from lungs blood travels to the left atrium. From left atrium blood moves to the rest of the body through aorta and carries oxygen and nutrients to the whole body cells through.

Hence, the correct order is as follows:

blood picks up waste products such as carbon dioxide

returns to right atrium

moves to right ventricle and to lungs

blood travels from the lungs to the left atrium

carries oxygen and nutrients to the body cells