*need help ASAP *
Select the correct answer.
Read lines 44-45 from The Winter's Tale.
PAULINA: Tis time; descend; be stone no more; approach;
Strike all that look upon with marvel.
Which detail from "Pygmalion and Galatea" provided the source material for these lines from Shakespeare's play?

A.Pygmalion falling in love with his statue
B.Venus watching over the sleep of Adonis
C. Pygmalion adorning his statue with jewels
D. Venus giving life to Pygmalion's statue

Answer:

c

Explanation:

The electric potential energy of the charge is divided by 2.

To find the electric potential energy, the values given from the source of an electric field changes from 3 mm to 6 mm.

            The electric potential energy is the energy that is needed to move a charge against the electric field.

The energy can be calculated as Work and these energy can be calculated as a whole not only the charges.

Formula for electric potential energy,

         U = KQ²/r

where,

K is the constant, k =  9 × 10⁹

Substituting the values of q as the charges and then the distance can be,

U = KQ² / 3   and U = KQ² / 6

So that, the values can be divided by 2.

The unit of electric potential energy is Joule.

The distance can be from r to ∞.

Hence, Option B is the correct answer.

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Here are the answers to the questions:1. Three main orbital changes that the earth undergoes and their time periods are:A. Precession- every 26,000 years B. Obliquity- every 41,000 years C. Eccentricity- every 100,000 yearsThese changes in the earth's orbit, together, have an impact on the amount of solar radiation that reaches the Earth's surface, which then affects climate change. Three cyclical orbital changes and their times associated with Milankovitch are:A. Eccentricity - every 100,000 yearsB. Obliquity - every 41,000 yearsC. Precession - every 26,000 years2. All EMR in order of wavelength are:- Gamma rays- X-rays- Ultraviolet radiation- Visible light- Infrared radiation- Microwave- Radio wavesForms of EMR from the sun that are reaching right now are UV radiation, visible light, and infrared radiation.

The number of forms of EMR reaching the moon right now is two, UV radiation, and visible light.The ozone layer is present in the stratosphere and is formed through a series of complex chemical reactions. The primary function of the ozone layer is to protect the earth from the harmful effects of UV radiation by absorbing it. The balance of EMR plays a critical role in the greenhouse effect. As the amount of greenhouse gases increases, the amount of energy that is absorbed by the Earth's surface also increases. Carbon dioxide and other greenhouse gases can absorb and emit infrared radiation, which plays a crucial role in climate change.3. The four forms of heat transfer to and on planet earth are:- Conduction- Convection- Radiation- AdvectionThese four forms of heat transfer are responsible for weather on planet Earth.

For example, when the sun heats the ground, it results in conduction, which then results in convection as the air heats up and rises. This can lead to cloud formation and precipitation.4. The time it takes for EMR from the University of Delaware to reach:A. Moon - About 1.28 secondsB. Jupiter - About 33.75 minutesC. Closest star (not the sun) - About 4.37 yearsD. Your mother - This question is not clear, please provide more context.

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Below you will find three descriptions of scientists engaging in activities that are part of the scientific method. The missing word are as follows: Christina decides to test the idea of her friend Anders that different metals make characteristic colors in flame.

She mixes up a variety of metal solutions, then dips steel wires into each and puts each wire into a flame, noting the color of the flame in her record of this observation. Anders dips a steel wire into a solution of copper sulfate and then puts it into a flame, recording the color that the fame turns green. Wolfgang has worked out a theory that explains the wavelengths of light absorbed or emitted by any kind of atom, based around the idea that the motion of tiny confined particles (like electrons in atoms) are restricted like the vibration of guitar strings, to certain frequencies.

Using equations that express his ideas, Wolfgang is able to successfully calculate the wavelengths of light absorbed or emitted by many atoms.

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The direction of motion is perpendicular to both the magnetic field and the force, so it is parallel to the plane of the sheet.

The proton will experience a Lorentz force due to the magnetic field produced by the current-carrying wires in the sheet. The magnetic field at a distance h above the sheet is given by:

B = μ₀ * I * n

where μ₀ is the permeability of free space, I is the current in each wire, and n is the number of wires per length. The magnetic field is perpendicular to the plane of the sheet.

The Lorentz force on the proton is given by:

F = q * v * B

where q is the charge of the proton and v is its velocity. The force is perpendicular to both the velocity and the magnetic field, so it points towards the center of the circle.

The force required to keep the proton moving in a circle is provided by the centripetal force:

F = m * v² / r

where r is the radius of the circle. Equating these two expressions for the force, we get:

q * v * B = m * v² / r

Solving for r, we get:

r = m * v / (q * B)

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Yes the motion is accelerated.

We have a artificial satellite that moves at a steady 25,000 km/hr in a circular orbit around earth.

We have to determine whether or not it is accelerated.

An artificial Satellite is a man - made artificial body placed in orbit round the earth or moon or another planet in order to collect information or for communication.

According to the question -

v = 25000 km/hr

Now for the motion to be accelerated the velocity must change with respect to time. But, the velocity here is constant. It should be kept in mind that the velocity is a vector quantity, its magnitude is constant but its direction keeps on changing in circular motion, and hence, its acceleration also changes.

Hence, yes the motion is accelerated.

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Magnets all have two poles. The poles that face each other are opposite magnetic poles because the same pole repels and the opposite poles attract.

A material or object that produces a magnetic field is called a magnet. Although this magnetic field is undetectable, it is what gives magnets their most astonishing quality. a force that pulls or pushes iron and other ferromagnetic materials. Magnets all have two poles. While opposing poles are drawn to one another, the same pole repels. Therefore, the magnetic poles facing each other are opposite ones.

Magnets with opposing poles will attract one another when they come into contact. They will be drawn together by any north-south arrangement. But when two opposing poles come together, they push against one another.

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If you shine a green light on a white sheet of paper, the paper would appear to be green. This is because an object appears to be a certain color because it reflects that color of light back to our eyes.

When white light, which contains all the colors of the visible spectrum, hits a white sheet of paper, the paper reflects all those colors back to our eyes, making it appear white. However, if you shine a green light on the paper, the paper will absorb all the colors of the visible spectrum except for green. The green light will be reflected back to our eyes, making the paper appear green. Therefore, the correct answer to this question is d) Green.
The color that a white sheet of paper would appear when you shine a green light on it is d) Green.

When a green light is shone onto a white sheet of paper, the paper appears green because it reflects the green light. White objects reflect all wavelengths of visible light, so when only green light is present, it only has green light to reflect. Therefore, the paper appears green to our eyes.

In summary, the white paper appears green under green light because it reflects the green light and no other wavelengths are present to create a different color.

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Solve the given problem as

Heya!!

For calculate frequency, lets applicate formula:

                                                       \(\boxed{f=v/\lambda}\)

                                                   Δ   Being   Δ

                                               f = Frequency = ?

                                           v = Velocity = 144 m/s

                                          \(\lambda\) = Wavelenght = 0,5 m

⇒ Let's replace according the formula:

\(\boxed{f = 144\ m/s / 0,5\ m }\)

⇒ Resolving

\(\boxed{f = 288\ Hz}\)

Result:

The frequency of that wave is 288 Hertz

Good Luck!!

Answer:

K Shut up bro

Explanation:

Answer:

“Global baking is a progressive increase in the earth’s hotness mainly on account of the dirtiness precipitated by raised levels of colorless odorless gas, CFCs, and additional contaminants. “

Causes and effects:

Global Warming is A Huge Problem for Our Planet, Threatening Biodiversity, Weather Patterns, and Human Health

In this case, ASsys is given as -72.0 J/K, which means that the system is becoming more ordered or organized. To compensate for this decrease in entropy, the surroundings must experience an increase in entropy, which is represented by a positive ASsurr value. Therefore, the correct answer is ASsurr = +72 J/K.

According to the Second Law of Thermodynamics, the total entropy change of a system and its surroundings during a spontaneous process is always positive. This means that if the entropy change of the system (ASsys) is negative, then the entropy change of the surroundings (ASsurr) must be positive to compensate for it.

This increase in entropy of the surroundings could be caused by the release of heat or the dissipation of energy from the system. It is important to note that while the entropy of the system decreases, the total entropy of the system and surroundings increases as required by the Second Law of Thermodynamics.

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A uniform plank is 6.00 m long and weighs 80.0 n. it is balanced on a sawhorse at its center. an additional 20.0 n weight is now placed on the left end of the plank. To keep the plank balanced, it must be moved 0.6m to the right.

Given that, Mg=80 N

                   mg=20 N

                   L=6 m

mg(\(\frac{L}{2}\)-d)-Mgd=0

d=\(\frac{L}{2}\)\(\frac{mg}{mg+Mg}\)=\(\frac{L}{2}\)\(\frac{20}{20+80}\)=\(\frac{L}{10}\)=\(\frac{6}{10}\)=0.6m

A uniform plank is resting over a smooth horizontal floor and is pulled by applying a horizontal force at its one end.

A force applied in a direction parallel to the horizon is known as horizontal force. The force exerted on a body consists of two components, namely the horizontal component and a vertical component.

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Answer:

D. The rock cycle takes too long to be able to observe it in entirety.

Explanation: is answer

Answer:

Because they absorb and emit heat more steadily than land, oceans help moderate temperatures in coastal areas, making winters warmer and summers cooler. Winds that blow in from across the oceans bring more rainfall and higher humidity.

Explanation:

An antiparticle is a subatomic particle that, by definition, has the same mass as its normal particle counterpart but the opposite magnetic moment and electric charge. An electron's antiparticle, for instance, is the positron.

The mass of an antiparticle is equal to that of the particle version, but it has the opposite charge. Antiparticles have opposite charges, baryon numbers, lepton numbers, and strangeness. A subatomic particle known as an antiparticle has the same mass as a particle of regular matter but the opposite electric charge and magnetic moment. Thus, the positron (a positively charged electron) is the opposite of the negatively charged electron.

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Answer:

The equivalent or total resistance of the circuit is 6

Explanation:

6 &6 are in series

6+6=r

r= 12

1/Rtotal= 1/12+1/2

1/Rt=2/12=1/6

Rt=6

Answer:

Option B:

A child sitting on a swing.

Explanation:

When we hear the word oscillator, a good example is the pendulum bob of a grandfather clock. We can picture the motion to get a perfect understanding of its path of motion and relate it to other systems of motion in our everyday life.

An oscillator is a system that moves in such a way that it reverses its direction after a period of time. It can be seen as a "to-and-fro" motion.

From the options, a child sitting on a swing is the perfect example of an oscillating system because the child will be moving forwards and backwards, alternately reversing the direction of motion with time.

When a rope of length L and mass m is suspended from the ceiling, the tension in the rope at position y can be found using the following expression:

T(y) = mg + λy where g is the acceleration due to gravity, λ is the linear mass density of the rope, and y is the distance measured upward from the free end of the rope.

Here's how to derive the expression: Let's consider an element of length dy of the rope at a distance y from the free end of the rope. The weight of the element is dm = λdy and acts downward. The tension in the rope on the element can be resolved into two components - one acting downward and another acting upward. Let T be the tension in the rope at point y and T + dT be the tension in the rope at point (y + dy).The upward component of tension on the element is given by Tsinθ, where θ is the angle between the element and the vertical. As the rope is assumed to be in equilibrium, the horizontal components of tension balance each other and the net vertical force on the element is zero. Therefore, we have,

Tsinθ - dm g = 0 ⇒ Tsinθ = dm g ⇒ Tsinθ = λdyg

The angle θ can be found using the equation tanθ = dy/dx ≈ dy/dy = 1. Therefore, sinθ = dy/√(dy²+dx²) ≈ dy and we have,T dy = λdyg ⇒ T = λgThis expression gives the tension in the rope at the free end of the rope. The tension in the rope at position y, measured upward from the free end of the rope is given by,T(y) = mg + λy

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Answer:

1.8 m/s

Explanation:

All of the Potential energy ( mgh) is converted to Kintetic energy (1/2 m v^2)

mgh = 1/2 mv^2     divide 'm' out

gh = 1/2 v^2

2 gh = v^2

v = sqrt ( 2 gh )    = sqrt ( 2 * 0.81 * 2 ) = 1.8 m/s

( NOTE that mass (.25kg)  is irrelevant in this question !)

Answer:

The correct order of answers goes:

\(\left[\begin{array}{ccc}Ionic\\Electronegativity\\Metallic\\Cation\end{array}\right]\)

Explanation:

Ionic - Ionic bonds are formed between a metal and a nonmetal (typically). Nonmetals are typically more electronegative elements because they are seeking to gain electrons to achieve atomic stability while metals want to give up electrons to those elements to become atomically stable. Therefore, the nonmetals are much more electronegative in comparison to the metals.

Electronegativity - Electronegativity is used mathematically to predict the type of bond that will occur between elements. The larger electronegativity has the smaller electronegativity subtracted from it to give us a number that we then apply to ranges within a table and try to decipher what kind of bond will be formed.

Metallic - This plays into both explanations already given. Metallic bonds will form between metals, meaning their electronegativities will be much lower. Higher differences between electronegativities (anything above 1.7) is considered ionic, while anything from 0.1 to 1.69 is considered covalent (these split to make polar and nonpolar covalence).

Cation - Cation is the term for a positively charged ion. It comes from cathode (a scientist completed an experiment with the cathode ray tube where they accelerated positively charged particles throughout it).

Answer:

We can use the given information to solve for the circumference and radius of the cylinder.

Let's start by finding the total length of the thread:

total length = length of thread per wrap * number of wraps

In this case, the length of thread per wrap is the circumference of the cylinder. So, we can write:

total length = circumference * 25

We also know that the volume (V) of the cylinder is 550 cm³. We can use the formula for the volume of a cylinder:

V = πr²h

Since the cylinder has been wrapped 25 times by the thread, its height is the length of the thread per wrap. So, we can write:

V = πr² * circumference

550 = πr² * circumference

We have two equations for circumference: one from the total length of the thread and one from the volume of the cylinder. We can set them equal to each other:

circumference * 25 = 550 / r²π

circumference = 22 / r²

Substituting this expression for circumference into our volume equation, we have:

550 = πr² * (22 / r²)

Simplifying:

550 = 22π

r = sqrt(25 / pi) cm

Now that we have the value of the radius, we can use the equation for circumference to find its value:

circumference = 2πr = 10π cm

Therefore, the circumference of the cylinder is 10π cm and its radius is sqrt(25 / pi) cm.

Answer:

The arrangement of particles within uranium-235 is somewhat unstable and the nucleus can disintegrate if it is excited by an outside source. When a U-235 nucleus absorbs an extra neutron, it quickly breaks into two parts. This process is known as fission

Answer:

a nuetron

Explanation:

In a nuclear reactor , a neutron is absorbed into a nucleus (typically uranium-235). ... The fast moving neutrons carry most of the energy from the reaction with them (99%) but before the neutrons can collide with fresh uranium nuclei, they need to be slowed down

The volume of the freon-12 at STP is 75.3 L if a sample of freon-12 (cf2cl2) occupies 30.0 l at 25.0°c and 150.0 kpa.

To solve this problem, we need to use the Ideal Gas Law, which states that PV = nRT, where P is the pressure, V is the volume, n is the number of moles of gas, R is the gas constant, and T is the temperature in Kelvin.

First, we need to find the number of moles of freon-12 in the sample. We can use the formula n = PV/RT, where P = 150.0 kPa, V = 30.0 L, R = 8.31 J/mol-K, and T = 25.0 + 273 = 298 K. Plugging in these values, we get:

n = (150.0 kPa)(30.0 L)/(8.31 J/mol-K)(298 K) = 3.55 moles

Next, we need to find the volume of the freon-12 at STP (standard temperature and pressure). STP is defined as 0°C (273 K) and 1 atm (101.3 kPa). To find the volume at STP, we can use the formula V = nRT/P, where R and n are the same as before, but P = 101.3 kPa and T = 273 K. Plugging in these values, we get:

V = (3.55 moles)(8.31 J/mol-K)(273 K)/(101.3 kPa) = 75.3 L

Therefore, the volume of the freon-12 at STP is 75.3 L.

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Given:

Mass, m = 3.5 kg

Initial temperature, T1 = 20°C

Final temperature, T2 = Boiling point of water = 100° C

Part (a).

Let's find the amount of energy needed.

Apply the specific heat capacity formula:

Where:

c is the specific heat capacity of water = 4.187 kJ/g °C

Thus, we have:

Where:

1 kJ = 0.239 kCal

1172.36 kJ = 1172.36 x 0.239 = 280.19 kCal

Therefore, the heat needed is 280.19 kCal.

Part B.

Given:

Cost = 13¢ per kWh

Where:

1 kCal = 0.00116 kWh

280.19 x 0.00116 = 0.327 kWh

Since the charge for is 13 ¢ per kWh, we have:

13 x 0.327 = 4.251 ¢.

Therefore, the cost, if electrical energy were used, will be 4.251 ¢

ANSWER:

• (a). 280.19 kCal

• (b)., ,4.251 ¢.

The total amount of energy in a thermodynamic system is called the internal energy.

Internal energy is the sum of all the kinetic and potential energies of the particles that make up a system. This includes the energy associated with the motion of particles (kinetic energy), the energy associated with their position in a field (potential energy), and the energy associated with the interactions between particles (such as chemical bonds).

Internal energy is a state function, which means that it depends only on the current state of the system and not on how the system got there. It is often used to determine how much work can be extracted from a system or how much heat needs to be added to change the state of the system.

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Answer:

The  time is  \(t = 8.78 \ s\)

Explanation:

From the question we are told that  

  The  initial height of the eye  is  \(h _1 = 20 \ cm = 0.2 \ m\)

  The  height of the eye when you jumped up is \(h_2 = 150 \ cm = 1.5 \ m\)

 An illustration of this question is shown on the first uploaded image

Generally the radius of the earth is  \(R = 6.38*10^{6} \ m\)

Now from the diagram first sun means first time you saw the sun and  the second sun means second time you saw the sun then

   H is the height increase when you quickly stood up which is mathematically evaluated as

        \(H = h_2 -h_1\)

        \(H = 1.5 - 0.2\)

        \(H = 1.3 \ m\)

Also \(\theta\) i the angular displacement between the first and second position and from geometry it is also the angle at  one of the sides of the right angle triangle

Applying Pythagoras theorem

     \((R+H)^2 = K^2 + R^2\)

=>   \(R^2 + H^2 + 2RH = K^2 + R^2\)

Now given that H is very small compared to R the we ignore \(H^2\)

So

     \(R^2 + 2RH = K^2 + R^2\)

=>    \(K = \sqrt{2RH}\)

=>     \(K = \sqrt{2 * 6.38*10^6 * 1.3 }\)

=>      \(K = 4073 \ m\)

Now the \(\theta\) is mathematically evaluated using SOHCAHTOA as follows

      \(tan \theta = \frac{K}{R}\)

      \(\theta = tan^{-1}[ \frac{K}{R}]\)

=>   \(\theta = tan^{-1}[ \frac{ 4073}{6.38*10^{6}}]\)

=>   \(\theta = 0.0366^o\)

Generally

  \(1 \revolution\ around \ the\ earth = 24 \ hours = 86400 \ seconds = 360 ^o\)

So  

    \(\frac{\theta}{360} = \frac{t}{86400}\)

=>  \(\frac{0.0366}{360} = \frac{t}{86400}\)

=>  \(t = 8.78 \ s\)