a source emits monochromatic light of wavelength 495 nm in air. when the light passes through a liquid, its wavelength reduces to 434 nm. what is the liquid's index of refraction?

The energy required to remove a proton from ¹⁵N₇ is 10.2046375 MeV.

What is proton?
Proton is a subatomic particle with a positive charge. It is found in the nucleus of an atom, along with neutrons. Protons have a mass of 1.0073 amu, and their charge is equal to the charge of an electron, but opposite in sign. The protons in an atom are responsible for the atom's atomic number, which is the number of protons in the nucleus. Protons are what makes atoms of different elements different from each other. For example, the element hydrogen has one proton in its nucleus and the element helium has two protons. Protons are also responsible for holding together the nucleus of an atom, as their positive charges repel each other and keep the nucleus together.

The reaction to remove the proton is given as follows :

¹⁵N₇  ---->   ¹⁴C₆  +  H

The mass of ¹⁵N₇   =  15.000109

the mass of ¹⁴C₆ = 14.003242

The mass of H = 1.007825

The energy requires to remove a proton is given as:

E = ( 14.003242 + 1.007825 - 15.000109) u

E = 0.010958 × 9312.5 MeV

E = 10.2046375 MeV

Thus, energy is required to remove a proton from ¹⁵N₇ with the masses of the atoms ¹⁵N₇, ¹⁴C₆ and H are 15.000109 u, 14.003242 u, and 1.007825 u, respectively is 10.2046375 MeV.

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If Marissa drags a 23kg duffel bag 18m to the gym. The thermal energy Marisa will produce is 608.58.

The energy in a system that determines its temperature is referred to as thermal energy. Thermal energy flows as heat. Thermodynamics is a subfield of physics that examines how work is done as a result of heat being exchanged across various systems.

Friction would provide work that is equal to heat energy.

The force of friction is 225.4 x 0.15, or 33.81 N, which is equal to 23 x 9.8 N.

The frictional effort of 33.81 x 18 = 608.58 J is now converted into thermal energy of 608.58 J.

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Acceleration is constant during entire trajectory.

Any procedure where the velocity varies is referred to as acceleration. There are only two ways to accelerate: changing your speed or changing your direction, or changing both. This is because velocity is both a speed and a direction.Given that,A baseball caught by the catcher which is thrown by the center fielder of same shoulder level. During this whole journey the path followed by a ball is parabolic.

Therefore, ball is in projectile motion.

Let height of shoulder level = h

During projectile motion acceleration of the ball always acts in vertically downward direction of magnitude g, and in there is no acceleration in horizontal direction. Therefore, during projectile motion acceleration is always constant during whole trajectory. So, acceleration is constant during entire trajectory.

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The person's work is positive, with a rating of 52.92 J.

Gravity's work is negative, with a value of -52.92 J.

define distance ?

Distance is a numerical or sometimes qualitative measurement of the distance between objects or points. In physics or everyday use, distance can refer to physical length or estimate based on other criteria (e.g. "two particles above"). Since spatial perception is a rich source of conceptual metaphors in human thought, the term is also often used metaphorically to refer to a measure of the degree of difference between two similar objects ( such as the statistical distance between probability distributions or the distance between text strings) or the degree of separation (as illustrated by the distance between people in a social network). Most concepts of distance, both physical and metaphorical, are formalized in mathematics using the concept of metric space.

m = 4.5 kg is the mass of a cement block.

The block raises the vertical distance by d=1.2m.

d' = 7.3 m is the horizontal distance covered by the block.

Since the person raises the block, there is some displacement of the block. As a result, the individual will accomplish good job. And the person's work is saved in the form of block potential energy.

w=mgd

=4.5x9.8x1.2

=52.92 J

As the gravity will oppose the block's motion, thus it will produce negative work on the block. Therefore,

Gravity's work = - (Work done by person)

Gravity work = - 52.92 J

Thus, gravity's work is -52.92 J.

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The best describes the signals sent and received by rovers are electromagnetic waves.

Depending on the planet's position, it generally takes about 5 to 20 minutes for a radio signal to travel the distance between Mars and Earth. Using an orbiter to relay messages is beneficial because it is much closer to perseverance than a deep space network (DSN) antenna on Earth.

It takes 5 to 20 minutes for communication to reach Mars from Earth and vice versa. Rovers and landers on the surface of Mars emit radio signals to spacecraft orbiting Mars, which relay radio waves to Earth. This is where the signal is received by a global system of radio antennas called the Deep Space Network.

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The frequency of a wave is 0.25Hertz  if its time period is 4sec. Frequency is said to be inversely proportional to time period.

Frequency alludes to the quantity of cycles in a specific unit of time. The justification for why the sky is blue or anything contains variety can be effectively made sense of by it. Moreover, it can likewise make sense of why the voice of certain people is profound while for others it isn't profound. Likewise, frequency plays a major effect on the notes of a piano or other instruments.

This number of events is unquestionably a fundamental property of a wave. The waves encompass individuals consistently. Moreover, light is an electromagnetic wave and the fan is a sound wave. A wave is surely a vibration and conveys energy with it. Generally imperative, the quantity of waves passing by each second alludes to the recurrence of the wave. Also, its estimation happens in Hertz (Hz).

So, we know that frequency is defined as inversely proportional to time period.

So, frequency=1/Time period

=>v=1/4

=>v=0.25/sec

or v=0.25Hertz.

Hence, frequency of wave is 0.25Hertz.

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The radiative energy will be produced by the accretion disk as a result of your fall into the black hole is 4.9×10¹⁷J.

The definition of radiation is energy that leaves a source and travels at the speed of light through space. An electric and magnetic field are present along with this energy, which has wave-like characteristics. Another name for radiation is electromagnetic waves.

Imagine that you were trapped into a supermassive black hole by an accretion disk. The disk radiates 10% of your mass-energy as you descend.

E = mc²

m = 54.5 kg

c = 3×10⁸ m/s

E = 54.5 × (3 × 10⁸)²

E = 4.9×10¹⁷J.

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Answer:

The layers of a star's atmosphere can include the photosphere, the chromosphere, and the corona. The photosphere is the layer of the star's atmosphere that is visible to us and is the source of the star's light. The chromosphere is the layer above the photosphere and is characterized by its reddish color. The corona is the outermost layer of the star's atmosphere and is characterized by its high temperatures.

Explanation:

The gravitational acceleration at altitude h above the earth's surface is g.R^2/(R+ h) ^2.

In physics, gravitational acceleration is the speed at which a body falls freely in a void (and thus without experiencing drag). This is the constant acceleration brought on just by the gravitational pull. Gravimetry is the measurement and study of these rates. All bodies accelerate at the same rate in vacuum, independent of their masses or compositions.The combined effects of gravity and the centrifugal force from Earth's rotation determine the strength of Earth's gravity at a fixed place on its surface.

Let, gₙ be the acceleration due to gravity at height h.

gₓ be the acceleration due to gravity at depth x.

The acceleration due to gravity on the surface of Earth is

g= GM/R^2

where,R is the radius of Earth,M is mass of Earth and G is gravitational constant.

∴g ∝ 1/R^2

gₙ ∝ 1/(R+ h) ^2

thus gₙ/g = R^2/(R+ h) ^2

Hence

gₙ = g.R^2/(R+ h) ^2

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 The maximum height the object reaches is [tex]\frac{v^{2} sin^{2}x}{2g}[/tex].

When a particle is hurled obliquely near the surface of the earth, it travels along a curved route while accelerating continuously in the direction of the planet's centre (we assume the particle stays close to the surface of the globe). Such a particle's motion is known as projectile motion, and its route is referred to as a projectile. When a particle is sent into the air at a certain speed, the only force acting on it is the acceleration caused by gravity (g). This downward vertical acceleration has an effect. The fact that there is no acceleration in the horizontal direction indicates that the particle's horizontal velocity stays constant.

The highest vertical location along the object's flight is considered to be its greatest height. The range of the bullet is defined as its horizontal displacement. The starting velocity of the item affects the projectile's range.If v is the starting speed, g is the gravitational acceleration, and H is the highest point that may be reached in metres, then is the beginning speed's angle from the horizontal plane (radians or degrees).

The following formula determines the projectile's maximum height:[tex]\frac{v^{2} sin^{2}x}{2g}[/tex]

Here x is the angle.

this can be derived using the equation v^2 = u^2 - 2as where v = 0 m/s and u = usinx.

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a. The runner loses 560 J of mechanical energy as a result of friction.

b. the distance that the runner slides is equivalent to J. 1.2 m.

Mass = 70.0 kg

Speed = 4.0 m/s

Coefficient of friction = 0.70.

Acceleration due to gravity, g = 9.8 m/s².

a. We would compute the change in kinetic energy to estimate the amount of mechanical energy lost due to friction acting on the runner:

The formula: gives the shift in kinetic energy mathematically.

ΔK.E. = 1 ÷ 2 m(v - u)²

When the parameters are added to the formula, we get,

ΔK.E. = 1 ÷ 2 × 70 × (4 - 0)²

ΔK.E. = 1 ÷ 2 × 70 × (4)²

ΔK.E. = 35 × 16

ΔK.E. = 560 Joules

560 Joules of mechanical energy

b. To gauge the runner's slide's distance:

We would first determine the runner's acceleration.

Acceleration = ug

Acceleration = 0.70 × 9.8

Acceleration = 6.86 m/s²

For distance,

V² + U² = 2as

4² + 0² = 2(6.86)s

16 = 13.72s

Distance, S = 1.2 meters.

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Taking into mind the OV 1 kNXų Closed Surface 2 mA currents in the ground connections and power supply connections of a real op amp, KCL is satisfied.

The algebraic sum of all currents entering and leaving a node must equal zero, according to Kirchhoff's Current Law, also known as KCL.

This law is used to explain how a charge travels to and from a wire junction or node. With this knowledge, let's look at an illustration of the legislation in action, its significance, and how it came to be.

Since no charge is lost, the total current flowing into a junction or node equals the charge leaving it. To put it another way, every current entering and leaving the node must have a zero algebraic sum. This Kirchhoff law property, where I(exit) + I(enter) = 0, is known as charge conservation.

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The change in the momentum of the person is 16,000 kg m/s.

The change in the momentum of the person driving the Lamborghini is calculated by applying the following formula as shown below.

ΔP = m ( u - v )

where;

ΔP = m ( u - v )

ΔP = 2,000 kg ( 10 m/s  - 2 m/s )

ΔP = 2,000 kg ( 8 m/s)

ΔP = 16,000 kg m/s

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their mutual inductance is 1.67mH, and the flux linkage in coil 2 is 6.00mWb.

(a)Equation E=−M(dt₂/di) yields

M=∈₁ /∣di2 /dt∣=25.0mV/15.0A/s =1.67mH

(b)Equation M₂₁(dt₁/di)=N₂(dΦ₂₁/dt) leads to

N₂ Φ₂₁=Mi₁=(1.67mH)(3.60A)=6.00mWb

Flux refers to any effect that seems to pass through or move through a surface or substance, whether it actually moves or not. A notion in applied mathematics and vector calculus called flux has a lot of uses in physics. Flux, a vector quantity that describes the size and direction of a substance or property's flow, is used to describe transport processes. The perpendicular component of a vector field over a surface is defined as the surface integral of a scalar variable called flux in vector calculus.

The definition of flux in terms of transport states that it can either be a single vector or a vector field or a function of position. The latter situation makes it simple to integrate flux across a surface.

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20 diopters approx should the power of his eye be reduced in laser vision correction to obtain normal distant vision for him.

The optical power of a healthy human eye is about 40 diopters, or the ability to focus on a picture or object that is 1/40 of a meter distant from the eye. An additional 20 diopters of correction can be made to the eye of a typical young person. By the age of 25, this focusing flexibility frequently decreases to 10 diopters. The human eye typically has 1 diopter of refractive error by the age of 45 as a result of lens hardening and the natural deterioration of the eye muscles that focus your vision. Blurred up-close vision is caused by presbyopia, or the eye's deteriorating ability to focus its lens correctly, which calls for the usage of corrective lenses. Reading glasses compensate for the loss of the natural focusing power of the eye. An optometrist may recommend a lens to increase the eye's magnification capability, often in steps of 1/4 diopter throughout a range of 1 to 3 diopters.

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Frankenstein is attracted to science because he is a passionate and ambitious individual who is curious about the unknown.

Frankenstein is attracted to science because of the limitless possibilities it holds. He is drawn to the idea of being able to unlock the secrets of life and death, and create something entirely new. He is driven by the idea that science and technology can be used to improve the world and make life better for all.

He looks back on his attraction to science from his current perspective with a sense of regret and guilt, as his ambition to succeed in his experiments leads him to create a monster that causes immense suffering. He wishes that he had not been so ambitious and had instead explored other areas of study.

From his current perspective, however, Frankenstein looks back on his attraction to science with a sense of regret. He realizes that his ambition was misguided, and that his creations were not meant to be used for the betterment of mankind. He regrets the destruction and chaos that his creations caused, and the pain and suffering they inflicted on innocent people. He now understands that science and technology are powerful tools, but they must be used responsibly and with caution. He also realizes that there are limits to what science can do and that some things are simply beyond human understanding.

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A heat engine is operating between 287 c and 32 c. if the engine extracted 400 mj of energy from fuel, 4109.6 Jews mj of energy could be used as mechanical energy

Using the temperatures, a heat engine's efficiency is determined (lowest and highest).

The ratio of the system's provided heat to the desired work is considered the system efficiency. An engine's efficiency ranges from 0 to 1.

The efficiency of the engine is 27%, or 0.27. Since the heat was turned down due to the 3000 gems, we must find productive employment. Heat input and network efficiency are connected. That is the line. Qc was rejected by two W plus heat, leading to Qh. The cost of networking is composed of Nita W and Nita Qc. The network completed is identical to Nita. Q C is split into two halves. As a result, we must divide our efficiency, which is 0.27, by 3000. The engine's work is represented by this. Let's calculate the result of 0.27 multiplied by 3000 divided by 1. 1109 and 0.6 gems are the answer. He rejected our quote, which is +110 9.6 plus three thousand. 4109.6 Jews is quite close to the heat input.

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A mass is connected to a spring and is allowed to move horizontally. The mass is at a position L when the spring is unstretched. The mass is then moved, stretching the spring, and released from rest. It then moves with simple harmonic motion.

At that instant instantaneous acceleration is 0.

If an object's velocity changes, it is said to have been accelerated. An object's velocity can alter depending on whether it moves faster or slower or in a different direction. A falling apple, the moon orbiting the earth, and a car stopped at a stop sign are a few instances of acceleration. Through these illustrations, we can see that acceleration happens whenever a moving object changes its direction or speed, or both.

Since acceleration has both a magnitude and a direction, it is a vector quantity. It is also the first derivative of position with respect to time or the second derivative of position with respect to time.

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the distances d from car that the stereo's sound can still be 97720.5 m Then, we need to determine how much further away it is in order to calculate its actual size. An thing appears smaller from a distance.

Distance, which is a scalar quantity, describes "however much area an entity has covered" while moving. An object's total change in position, or displacement, is a vector number that indicates "how out of place any object is."

The relationship between distance and sound intensity heard at a distance is (the power of sound just at source surface area of a wall of an imagined circle at the range in question).

I = P/4πd²

P = 0.06 W 2 = 0.12 W d = if the vehicle has two speakers.

I = 1012 W/m2 1012 = 0.12/4 d2 d = 97720.5 m is the formula for the loudest audible sound.

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The marked angle is also known as an OBTUSE angle or an ACUTE angle.

Basic angles are identified by their names: acute, obtuse, right, straight, reflex, and full rotation. By uniting two rays at their termini, a geometrical shape known as an angle is created.

One of three ways can be used to name an angle. An angle can be identified by one of three ways: by its vertex, by its three points (the middle point must be the vertex), or by a letter or number placed inside the angle's aperture.

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Answer:

/EAD

Explanation:

thats the answer if ur doing khan

The block now gains as it moves a distance of 3 m the Kinetic Energy is 27Nm.  

15N-6N=9N

3m x 9N=27Nm

In physics, the kinetic energy of an item is the strength that it possesses due to its movement. Its miles described because the work had to boost up a frame of a given mass from rest to its said speed. Having gained this energy for the duration of its acceleration, the body maintains this kinetic electricity unless its speed changes. An equal quantity of Work is done through the frame when decelerating from its present-day pace to a kingdom of rest. officially, kinetic power is any term in a device's Lagrange which includes a derivative with appreciation to time.

In classical mechanics, the kinetic energy of a non-rotating object of mass m journeying at a pace v is 1/2 mv². In relativistic mechanics, this is a good approximation only when v is a great deal much less than the speed of light. the same old unit of kinetic energy is the joule, while the English unit of kinetic electricity is the foot-pound.

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The damping frequency is 12.68 rad/s.

Given data

mass = 250 kg

stiffness = 3000 n/m

damping ratio = 0.2

to find out

damped natural frequency of the system

solution

we first find the natural frequency that is express as

natural frequency ω = √k/m    ..............1

here k is stiffness and m is mass

so ω = √3000/250 = √120

ω = 12.95 rad/s

so

damping frequency will be

damping frequency = ω ×  √(1 - r²)     .....................2

here r is damping ratio

damping frequency = 12.95 × √(1-0.2²)

damping natural frequency = 12.68 rad/s

Therefore, the damping frequency is 12.68 rad/s.

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The global temperatures are forecast to rise about 3°C by the year 2100. the parts of the world are expected to experience temperature rise is Artic.

The global temperature increases because of the reason that is the carbon dioxide and the heat is trapped in greenhouse gases that will produce by the human activities. The increase in the global temperature will effect the around the world differently . the global temperature since 1880 is 1 degree Celsius.

Thus, the artic part of the world expected to experience temperature , if the global temperature rise about 3 °C by the year of 2100.

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If the forces acting on an object are balanced, so it doesn't cause a change in motion.

1. Force on a stationary object

This force occurs when there is an impulse that is done in the opposite direction with the same force. Then each object emits a force. But because the directions of the forces are opposite to each other, the total force becomes smaller or cancels each other out.

2. Force on moving objects

In this style, when two people push an object together, the position of the object can shift. That's when there is motion caused by more than one force. The forces on objects become mutually reinforcing, so the resulting force becomes greater. Forces that are in the same direction will increase the total force.

3. Force on an object that causes a change in the direction of motion

When someone rides a bicycle then turns the direction of movement. It happens that there is a tensile force and muscle force that deflects the bicycle handlebar. When playing the ball can change the direction of the ball caused by kicks, throws, or punches from players. Then the player exerts a force on the ball that causes the ball to change direction. So here the force plays a role in changing the direction of a moving object.

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The difference between the speed of an object and the acceleration of an object are as follows:

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The depth of the ice = 74.8 m.

From the question, we have

Radio waves travel at a speed of 1.7×10^8m/s through ice.

Let x be the time going down

(32.9 × 10^-6) - X be the time going back.

X = VoT + (1/2)AT^2

V = D/T.

(1/2)(9.8 m/s^2)(4 - X)^2 = (1.7 × 10^8 m/s)x

x = 4.40 × 10^-7

The depth of the ice = 74.8 m.

Radio waves :

Electromagnetic radiation includes radio waves. Compared to visible light, a radio wave has a far longer wavelength. Radio waves are frequently used by humans in communication. To send and receive radio frequency energy, this radio tower features both circular and rectangular antennas.

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Answer:

Below

Explanation:

It is under the acceleration of gravity at 9.81 m/s^2 and then it starts braking and adding to this at 2 m/s^2    Total = 11.81 m/s^2

F = ma

F = tension = 800 kg * 11.81 m/s^2 = 9448 N

If it's October 31 and we can see a third quarter, then means we can see the last new moon, which was on October 10.

The Moon, the largest and brightest satellite in our night sky, stabilizes the Earth's axial wobble, which results in a generally constant climate. This makes Earth a rather more livable planet. Moreover, it brings about tides, which produce a pattern that has aided people for countless years.

Approximately 43% of the moon's surface is made up of oxygen, 20% of it is silicon, 19% is magnesium, 10% is iron, 3% is calcium, 3% is aluminum, 0.42% is chromium, 0.18% is titanium, and 0.12% is manganese. Traces of water that may have come from far beneath have been discovered by orbiting spacecraft on the lunar surface.

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A current-limiting circuit breaker performs in a manner similar to a conventional thermomagnetic circuit breaker at currents below a threshold of about 1000A.

The study of the relationships between heat, work, temperature, and energy is known as thermodynamics. The rules of thermodynamics explain how energy in a system evolves and whether a system can make use of its environment to produce productive work.

Electric current is a term used to describe how much electricity flows across a circuit and how it flows in an electronic circuit. Amperes are used to measure it. The more electricity flowing across the circuit, the higher the ampere value.

Hence, a current-limiting circuit breaker performs in a manner similar to a conventional thermomagnetic circuit breaker at currents below a threshold of about 1000A.

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It is true that a huge portion of the water's surface rises or falls when a trigger, such as an earthquake, landslide, or volcano, causes a tsunami to occur.

An approaching tide may initially resemble a tsunami more than a breaking wave. As a result, it is frequently referred to as a tidal wave, even though the scientific community opposes this terminology because it may give the incorrect idea that tides and tsunamis are directly associated.

Tsunamis frequently consist of a series of waves that travel together in a "wave train" and last anywhere from a few minutes to several hours. Large events could result in waves that are tens of meters high.                                                                                             Although tsunamis only have an influence on coastal areas, they can have a tremendous impact on the entire planet due to their powerful destructive energy.

This proves that the statement that tsunamis start when some sort of trigger, such as an earthquake, landslide, or volcano, causes a significant portion of the water's surface to rise or fall is true.

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