which state of matter best describes the elements inside stars?(1 point) liquid liquid solid solid plasma plasma gas gas

's' increases at all times that Rock X falls since Rock X falls with a greater velocity than Rock Y.

The friction force is the opposite force generated when two parts slide over each other if the air is passing over the rocks the frictional force would be the drag force.

Given: Frictional forces are considered to be negligible.

A few seconds after Rock X is released from rest, Rock Y is also released. Consider moving downward to be constructive. Both rocks are launched from rest, thus their initial velocities are equal to zero (u = 0).

We know that the velocity is given by,

v² = u² + 2as

Rock X is released first, followed by Rock Y, and because Rock X travels faster than Rock Y, it travels farther. This is due to the fact that whenever Rock X has already acquired some velocity (t).

Its velocity (v) is higher, increasing the spacing (s). In conclusion, because Rock X falls faster than Rock Y,'s' rises each time Rock X hits the ground.

The complete question is given below:-

Rock X is released from rest at the top of a cliff that is on Earth. A short time later, Rock Y is released from rest from the same location as Rock X. Both rocks fall for several seconds before landing on the ground directly below the cliff. Frictional forces are considered to be negligible. After Rock Y is released from rest several seconds after Rock X is released from rest, what happens to the separation distance S between the rocks as they fall but before they reach the ground, and why? Take the positive direction to be downward.

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The average velocity for the time period beginning when t=1 and lasting

(i) 0.01 seconds = 63.84 ft/s

(ii) 0.001 seconds = 63.984 ft/s

Given that a ball is thrown with an initial velocity = 80 ft/s

Let 'y' be the height in feet after 't' seconds.

Given,  [tex]y=80t-16t^2[/tex] gives the height in 't' seconds.

Average velocity = Rate of change of distance

                             = Change in distance/Change in time.

The initial time can be taken as 0 s.

When t =1 s, y = 80 - 16 = 64 ft

(1)  t = 0.01 s

    y = 80 x 0.01 - 16 x 0.01 x 0.01 = 0.7984 ft

    Average velocity = (64 - 0.7984) / (1 -0.01) = 63.84 ft/s

(2) t = 0.001 s

    y = 80 x 0.001 - 16 x 0.001 x 0.001 = 0.079984 ft

    Average velocity = (64 - 0.079984) / (1 -0.001) = 63.984 ft/s

The question is incomplete. Find out the complete question below:

If a ball is thrown straight up into the air with an initial velocity of 80 ft/s, it height in feet after t second is given by  [tex]y=80t-16t^2[/tex] .Find the average velocity for the time period beginning when t=1 and lasting

(i) 0.01 seconds

(ii) 0.001 seconds

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[tex]distance between rod and $O$ is $=r=25 \mathrm{~cm}=0.25 \mathrm{~m}$\\is $=r=25 \mathrm{~cm}=0.25 \mathrm{~m}$Let us assume, athat rod to infinite then angle $\theta_1$ and $\theta_2$ is equal to $90^{\circ}$ Now, According to Biot-Sewart law, magnetic field (B) due thin rod is magnetic field (E) due thin rod is$$\Rightarrow B=\frac{\mu_0}{4 \pi} \frac{I}{r}\left[\sin \phi_1+\sin \phi_2\right]$$[/tex][tex]$\because \frac{\mu_0}{4 \pi}=$ Proportionality Constant $=10^{7 t}$$\sin \phi_1+\sin \phi_2=\sin 90^{\circ}+\sin 90^{\circ}=2$$$\Rightarrow B=10^{-7} \times \frac{2}{0.25} \times 2$$$\Rightarrow B=16 \times 10^{-7} \mathrm{~T}$Hence, Magnitude of magnetic fell due to thin rod is $16 \times 10^{-7} \mathrm{~T}$.[/tex]

The magnitude or size of a mathematical item defines whether it is greater or smaller than other things of the same sort in mathematics. Formally speaking, the size of an item is the exhibited outcome of an ordering—of the class of objects to which it belongs.

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Answer:

It is the only commercial rocket to ever launch humans to orbit. On 24 January 2021, Falcon 9 set a record for the most satellites launched by a single rocket, carrying 143 into orbit.

...

Falcon 9.

Size

Burn time FT: 162 seconds v1.1: 180 seconds v1.0: 170 seconds

Propellant LOX / RP-1

The distance Doug travelled is 151.2 miles

Speed is the distance travelled per unit. Mathematically, it can be expressed as:

Speed = distance / time

With the above formula, we can determine the distance. Details below

From the question given above, the following data were obtained:

The distance Doug travelled can be obtained as follow:

Speed = Distance / time

Cross multiply

Distance = speed × time

Distance = 42 × 3.6

Distance = 151.2 miles

Thus, the distance he travelled is 151.2 miles

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Complete question:

Doug rides a motorcycle at an average speed of 42 miles per hour for 3.6 hours. What is the distance he travels in miles?

A goat that is being pushed by Abigail through a gate. It takes her 4 seconds and 800 J of work.

The amount of electricity Abigail produces Identity foreclosure on identity

Identity foreclosure, or having an identity but only having ideas and characteristics they have just absorbed from their parents, friends, or group, is a characteristic of adolescence. In addition to having a distinct identity and being prone to discovering it,

Identity foreclosure young individuals in this age group also have a propensity to be influenced by a variety of factors, most notably their families and environments.

In other words, young individuals at this age are still not open to explore new possibilities and concepts; instead, they are following established norms.

Combining the urgent need to delve into one's own identity with

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The calculated mass is 5.5*10⁴ g.

The energy an object has as a result of motion is known as kinetic energy in physics. It is described as the effort required to move a mass-determined body from rest to the indicated velocity. The body holds onto the kinetic energy it acquired during its acceleration until its speed changes. The energy an object has as a result of motion is known as kinetic energy. A force must be applied to an object in order to accelerate it. We must put in effort in order to apply a force. After the work is finished, energy is transferred to the item, which then moves at a new, constant speed.

K.E = 1/2 mv²

1 MJ= 10⁶ J

10⁶=1/2 m * 6*6

10⁶*2=m*36

m= 5.5 *10⁴ g

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The option 4 best describes the second type of spiral galaxy.

In a spiral galaxy, the revolving disc is surrounded by spiral 'arms' that extend outward from a compact center area. With yellowish bulges in the middle, spiral galaxies look as flat, blue-white disks of stars, gas, and dust.

These galaxies are classified into two types: regular spirals and barred spirals.

Regular spiral galaxies have a complicated structure: a large central bulge at the center of a revolving disc with a spiral structure that originates at the bulge. Spiral galaxies are encircled by sparsely populated halos, which are approximately spherical areas above and below the plane of the discs. In contrast to regular spiral galaxies, barred spirals have arms that link to the two ends of a straight bar of stars that has a nucleus at its center.

Thus, option 4 best describes the second type of spiral galaxy.

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Two types of spiral galaxies exist. A normal spiral galaxy is one kind. Which phrase best describes the second type of spiral galaxy?

According to the question; The output power is 0.643W.

Power is the quantity of energy that is transported or transformed per unit of time in physics. The watt, which is equal to one joule per second in the International System of Units, is the unit of power. Power may also be referred to as activity in earlier writings. A scalar concept is a power.

According to the question:

Power, P₁ = 150W

Sound intensity level, β = 103db

Distance, d = 1.60m

The sound intensity level is β = 10log(I/I₀)

Reference intensity I₀ = 10⁻¹²

By solving, Intensity, I = 0.02w/m²

Power output P₀ = (4πd²) I

P₀ = 0.643W

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The average bond dissociation energy of carbon-carbon bond is 410 kj/mol. 292 wavelength in nanometers of the ultraviolet radiation has an energy of 410 kj/mol.

The distance between the two successive crests or troughs of wave is known as its wavelength. It is measured in wave's direction.

The distance wave travels between its crests or troughs is known as its wavelength (which may be an electromagnetic wave, a sound wave, or the any other wave). Wave's crest is its highest point, while its dip is the lowest. Since wavelength is a measure of both the distance and length, it is expressed in the length units such meters, centimeters, millimeters, and nanometers.

Wavelength of light varies with the colors, i.e., it is different for the every color. Red color has the longest wavelength while violet has least. The wavelength of the UV radiation is shorter than the violet light. Similarly, the wavelength of the infra red radiation is longer than the wavelength of red light.

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The structural damage which could be expected if a Category 3 hurricane which is predicted to hit an area is high percentage of framed homes could be destroyed, with total roof failure and wall collapse and is denoted as option C.

This refers to the rapidly rotating storm which has a low-pressure center and is characterized by strong winds ad thunderstorms and of different types such as category 1 to 3.

Category 3 hurricane leads to loss of lives and properties which is depicted as  framed homes being destroyed with total roof failure and wall collapse which is why option C was chosen.

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An attractive force on the next adjacent turn of wire exerted.

A long solenoid with closely spaced turns carries electric current, then the force does each turn of wire exert on the next adjacent turn is attarctive.

When a solenoid and a bar magnet are used to create an electric current, the amount of wire loops in the solenoid that are used to create the current decreases. Magnetic field of solenoid depends on the number of coils present in the solenoid and the amount of current flowing from the coil.

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The big bang theory states that at the instant of explosion, atoms of all major elements came into existence.

A blast is a fast development in volume related with a very energetic outward arrival of energy, normally with the age of high temperatures and arrival of high-pressure gases. A blast is an unexpected, vicious difference in likely energy to work, which moves to its environmental factors as a quickly moving ascent in pressure called an impact wave or shock wave. The shock wave can cause significant harm. A blast is an unexpected, rough difference in likely energy to work, which moves to its environmental elements as a quickly moving ascent in pressure called an impact wave or shock wave.

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Because most particles fired at metal foil passed straight through, Rutherford concluded that only a small area of an atom is positively charged called the nucleus.

In 1911, Rutherford's atomic model rejected J.J Thomson's model with his famous metal foil experiment.

According to Rutherford's atomic model, an atom is the smallest particle having a core nucleus.

It can not be further disintegrated and it is composed of other fundamental objects i.e. electrons, protons, and neutrons.

In the core of an atom, there is an extremely dense, minute object called the nucleus which contains positive charges, and around it, electrons revolve in circular paths called orbitals.

To put it simply, this model suggests that when electrons interacted with gold metal foil, most particles changed their path after colliding with the massive dense nucleus.

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Answer:

A =150

I think it will help you bro

As the spacecraft nears the moon, its gravity will increase.

This is because the gravitational force between objects is inversely proportional to their distances from each other.

The gravitational force between a spacecraft and moon will also increase as they get closer together due to tidal forces. Tidal forces are caused by differences in water levels at either side of an object and are strongest when two objects are close together (i.e., when they're orbiting).

Therefore, When a spacecraft is close to the moon, the gravitational force between it and the moon will increase.

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given l=0.44m ,I=8.8A

a)the magnetic field produced by each side of square is given by

B =(μ₀I/4πa)(sinθ₁-sinθ₂)

where θ₁=45° ,θ₂=-45° and a=l/2

each side produces a field into the page .the four sides altogether  produce

B₍center₎=4B =4(μ₀I/4πa)(sinθ₁-sinθ₂) =(μ₀I/π(l/2))(sin45-sin45)

B ₍center₎ =(2√2μ₀I/π1)

B ₍center₎ =2√2*4π*10⁻⁷*8.8/π*0.44 =2.26*10⁻⁵T or 22.6μT into the page

b)now the conductor is reshaped into single turn circular coil.

for single turn circular coil 41=2πR =>R=21/π

B =μ₀I/2R =μ₀I/2(21/π) =μ₀πI/41

B =4π*10⁻⁷*π*8.8/4*0.44 =1.974*10⁻⁵T or 19.74μT.

A conductor permits current to pass through it effortlessly. On the surface of conductors, there is an electric charge.

When held in a magnetic field, conductors do not retain energy. Electrons make up the current. In contrast, an insulator blocks the flow of electricity via it.

Conductors are classified into four types: excellent conductors, semiconductors, resistors, and non-conductors.

Metals, aqueous salt solutions (ionic chemicals dissolved in water), graphite, and the human body are all examples of conductors.

Most metals are thought to be good electrical current conductors. Copper is simply one of the most common materials used in conductors. Silver, gold, and aluminum are other materials that are occasionally employed as conductors.

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Answer:

True

Explanation:

Answer:TRUE

Explanation:

Basically what determines how long a projectile that has been launched from ground level is in the air are: the initial velocity and the effect of the force of gravity.

The time of flight of a projectile is defined by the following equation:

t(of)=2*t max

Where:

The maximum time is defined by the following equation:

t max = v₀/ g

Where:

That means that the higher the initial launch velocity, the longer the projectile will be in the air.

In physics vertical launch upwards is the motion described by an object that has been launched vertically upwards in which the height and the effect of the earth's gravitational force on the launched object are taken into account.

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Takeoff speed will be 9.52 m/s

Given,

Vertical leap = Distance covered, S = 4.62 m

According to the Third Equation of Motion which relates Initial and final velocities with the distance and acceleration, we can say that

[tex]v^{2} = u^{2} + 2as[/tex]

v = 0 m/s (final speed)

a = g = -9.81 m/s² ('a' is taken negative because acceleration is acting towards the ground)

S = 4.62 m

So according to the equation,

u² = - 2 * (-9.81) * 4.62

u² = 90.644

[tex]u = \sqrt{90.644}[/tex]

u = 9.52 m/s

Therefore the initial speed or the takeoff speed of Michael Jordan for the Vertical leap of 4.62m will be 9.52 m/s.

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Instantaneous power output of a single phase 60 hz generator will be constant under reactive power.

Responsive power is otherwise called: ghost power. One more method for making sense of this is that responsive power is the resultant power in watts of an air conditioner circuit when the ongoing waveform is out of stage with the waveform of the voltage, normally by 90 degrees assuming the heap is simply receptive and is the consequence of either capacitive or inductive burdens. A model is fueling a brilliant light, in a responsive burden energy stream toward the heap a fraction of the time, though in the other half power streams from it, which gives the deception that the heap isn't dispersing or consuming power. Receptive power is one of the three kinds of force present in stacked circuits.

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Answer: It is the study of the environment and objects around us and how they interact with each other. It is a systematic study that involves collecting information, observing,and  experimentation.

Explanation:

Answer:

C. Targets

Explanation:

Because the Ad for the theme park effectively caught Raquel's attention, a businessperson would say that the ad accurately targeted Raquel. Marketers use specific colors, themes, designs, songs, etc to target a specific audience.

Common pointing devices used to control screen movement include computer mouse, touch pads, touch screens, graphics tablets, and trackballs. Some of these devices, such as mic and joysticks, can be added to the computer system according to your needs.

Pointing device is a general term for any device used to control cursor movement on a computer screen.

For desktop computers, the most common pointing device is the computer mouse. A touchpad is the most common pointing device on laptop computers. Finally, the most common pointing device on smartphones and tablets is the finger on the touchscreen.

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The ball  that is thrown into the air with a velocity of 44 ft/s, its height in feet t seconds later is given by the following equation:

y=44 ft/s * t - (32.17 ft/s² * t²/2)

The height in (ft) at a time (t) of a body that has been thrown with a certain velocity and is in vertical motion is given by the following equation:

y = vi * t - (g* t²/2)

Where:

Information about the problem:

Applying the height formula we get:

y = vi * t - (g* t²/2)

y = 44 ft/s * t - (32.17 ft/s² * t²/2)

It is the movement described by an object that has been thrown vertically upwards in which the height and the effect of the force of the earth's gravity on the thrown object are considered.

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By using centripetal force, the tangential speed is 1.35 m/s.

We need to know about centripetal force to solve this problem. The centripetal force is a force caused by moving objects in a circular motion. The magnitude of the centripetal force depends on tangential speed, mass and radius. It can be written as

Fc = m . v² / r

where Fc is the centripetal force, m is mass, v is tangential speed and r is the radius.

From the question above, we know that

m = 650 kg

r = 21 m

Fc = 56 N

By substituting the given parameters, we get

Fc = m . v² / r

56 = 650 . v² / 21

v² = 1.81

v = 1.35 m/s

Hence, the tangential speed is 1.35 m/s.

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Answer:

A. 1.3 m/s

Explanation:

Person above is correct!

Attached these other pictures just incase. : )

For the last picture its is:

✔ V

✔ W

✔ Y

Electron , photon and proton have wavelength which is option (a) , (b) and (c) .

De Broglie derived the relationship between the wavelength and momentum of matter. This relationship is known as de Broglie's relationship.

De Broglie's relationship is given by [tex]\lambda=\frac{h}{mv}[/tex]  .....(1) where λ is known as de Broglie wavelength and m is mass , v is velocity , h = Plank’s constant .

With the help of equation (1) we can determine the wavelength of the electron and proton .

For photon , the wavelength is given by

[tex]E=hv=\frac{hc}{\lambda}[/tex]

Where h is plank's constant and c is speed of light , v is frequency of the inicident photons .

Thus, we can determine the wavelength of electron , photon and proton.

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The formulation of Kepler's laws of planetary motion relied on the data and observations of Tycho Brahe

Kepler's laws of planetary motion are as follows:

Tycho Brahe used a telescope to propose a model in which the planets orbit around the sun but the sun orbits the Earth in elliptical orbits. This provided a clear idea for Kepler about the position of planets.

Therefore, the formulation of Kepler's laws of planetary motion relied on the data and observations of Tycho Brahe

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The final temperature of the coin is determined as 25.76 ⁰C.

P.E = mgh

where;

P.E = 0.003 x 9.8 x 50

P.E = 1.47 J

Q = 60% of 1.47 J

Q = 0.6 x 1.47 J

Q = 0.882 J

Final temperature of the coin

Q = mcΔθ

Q = mc (T - 25)

where;

0.882 = 0.003 x 389(T - 25)

0.756 = T - 25

T = 25.76 ⁰C

Thus, the final temperature of the coin is determined as 25.76 ⁰C.

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