What is the area under the curve for the histogram below?

A. 179
B. 121
C. 194
D. 86

Answer:

Nanomagnetic chips.

Explanation:

In a computer, the hard disk drive chips are magnetic.

A non-volatile data storage device is a computer hard disk drive (HDD). Non-volatile storage devices are those that retain data even after being turned off. HDDs are merely one form of storage device, yet they are required by all computers.

Desktop computers, mobile phones, consumer gadgets, and enterprise storage arrays in data centers are frequently equipped with HDDs. They can use magnetic disks to store operating systems, applications, and other things.

Hence, Hard disk drive is belongs to one of those chips which at magnetic in nature.

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The correct option for the photon wavelength is d. inversely proportional to photon frequency. The wavelength of a photon, like any other wave, is the distance between two successive peaks (or troughs) in space, and it is inversely related to its frequency.

That is, the frequency of the wave is inversely proportional to the wavelength. As the frequency of a wave grows, its wavelength decreases, and vice versa.

The wavelength of a photon is inversely proportional to its frequency. The wavelength is the distance between the two successive crests or troughs in the wave, while the frequency is the number of crests or troughs that pass a given point in one second. The energy of a photon, which is inversely proportional to its wavelength and directly proportional to its frequency, is proportional to its frequency.

If we consider the electromagnetic spectrum from gamma rays to radio waves, we can see that the wavelength of the wave decreases as we move from the left to the right side of the spectrum. This is due to the fact that the frequency of a wave increases as its wavelength decreases, and vice versa. Gamma rays have the shortest wavelength and the highest frequency, while radio waves have the longest wavelength and the lowest frequency.

Photon is a kind of electromagnetic radiation that behaves as both a wave and a particle. It carries a certain amount of energy and is commonly used to describe light. The frequency and wavelength of a photon are two important characteristics that influence its behavior. The frequency and wavelength of a photon are inversely proportional, which means that as one increases, the other decreases. Photons are used in a wide range of applications, including imaging, communication, and energy generation.

The wavelength of a photon is inversely proportional to its frequency, which means that a photon with a higher frequency has a shorter wavelength than one with a lower frequency. The energy of a photon is directly proportional to its frequency and inversely proportional to its wavelength. This implies that photons with high frequencies and short wavelengths have a greater amount of energy than those with low frequencies and long wavelengths. The frequency of a photon can be determined using the equation E = hf, where E is the energy of the photon, h is Planck's constant, and f is the frequency of the photon.

The wavelength of a photon can be calculated using the formula λ = c/f, where λ is the wavelength, c is the speed of light, and f is the frequency of the photon.

The wavelength of a photon is inversely proportional to its frequency. As the frequency of a photon increases, its wavelength decreases. This relationship is important in many applications, such as imaging, communication, and energy generation. It is also a key factor in understanding the behavior of light.

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Answer:

B. people with OCD know their disorder is irrational

Explanation:

Got it right

Answer:

B

Explanation:

Edge2021

The process of a gas cylinder floating in a large tank of water is an example of an equilibrium process.

The gas cylinder floating in a large tank of water represents a state of equilibrium. In this scenario, the gas cylinder is immersed in the water, and the forces acting on it are in balance.

When the gas cylinder is placed in the water, it experiences an upward buoyant force due to the displacement of water by the cylinder. This buoyant force is equal to the weight of the water displaced by the cylinder. According to Archimedes' principle, this buoyant force is equal to the weight of the gas cylinder itself.

Simultaneously, the gas cylinder experiences a downward gravitational force due to its own weight. For the cylinder to float, these two forces must be equal.

As a result, the floating gas cylinder represents an equilibrium state, where the buoyant force and the gravitational force are balanced. This equilibrium occurs because the density of the gas in the cylinder is lower than the density of the water, allowing it to displace a volume of water that is equal to its own weight.

Therefore, the process of a gas cylinder floating in a large tank of water is an example of an equilibrium process where the upward buoyant force equals the downward gravitational force.

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In general, collapse causes central heating, which ultimately causes temperatures conducive to hydrogen ignition. Particularly, material from the molecular cloud's outer reaches transforms gravitational potential energy into kinetic energy as it falls inward toward the cloud's core when gravity outweighs pressure.

The material is either added to the central protostar or spun out into the protoplanetary disc when it reaches the centre of the cloud, converting its kinetic energy into thermal energy. As more material is added, the protostar gets hotter and brighter.

When the centre of the object reaches temperatures of 10-15 million K and nuclear fusion starts, its central pressure and temperature likewise rise. Other angular momentum-related processes shape the material surrounding the collapsing core in the interim and regulate the volume of material engaged in the collapse.

what is kinetic energy?

Kinetic energy is a type of energy that is present in every object or particle that is moving. When work, which entails the exchange of electrons, is done on an object by applying a net force, that object acquires kinetic energy.

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A dense core of material in a molecular cloud begins to collapse due to gravity.

What is gravity?
Gravity is indeed a fundamental interaction in physics that causes all objects with mass or energy to attract one another. The electromagnetic force, the weak interaction, and the strong interaction are all significantly stronger than gravity, which is by far the weakest of a four fundamental interactions. As a result, this has no appreciable impact on subatomic particle level phenomena. However, at the macroscopic level, gravity is the most important interaction between objects and governs the movement of planets, stars, galaxies, or even light. The Moon's gravity causes sublunar tides in the oceans, just as gravity on Earth gives weight to physical objects.

As it collapses, it heats up and the central regions become hotter than the surrounding material. This causes the central regions to become more dense and the surrounding material to be expelled. The star continues to collapse and heat up until it reaches the main sequence, where it stabilizes and begins to produce energy through nuclear fusion.

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Answer:

How do you calculate how much useful energy is transferred?

Energy transferred electrically is calculated using the equation ΔE = IVt , where I is the current, V is the potential difference and t is time.

Explanation:

The angular displacement is given by the function A(t) = 0.11 cos(4t), where A is the angular displacement from the vertical in radians and t is the time in seconds.

So, the rate of change of angular displacement can be obtained by finding the derivative of A(t). Therefore, the derivative of A(t) with respect to t is given by:

dA/dt = -0.44 sin(4t)

At t = 5 seconds,

dA/dt = -0.44 sin(45)

= -0.44 sin (20)

= -0.44 × 0.9129

= -0.4017

Therefore, the rate of change of A at 5 seconds is approximately -0.4017. Therefore, option B is correct. Note: The given function A(t) is equivalent to A(t) = Amax cos(t), where Amax is the amplitude of the oscillation and ω is the angular frequency of the oscillation.

The angular frequency ω is related to the frequency f and the period T of the oscillation as follows:

ω = 2πf

= 2π/T. In the given problem, the frequency f is equal to 2 Hz (since ω = 4) and the period T is equal to 1/2 second.

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Hi there!

Recall the following relationships:

\(W = \Delta U = mg\Delta h\\\\P = \frac{W}{t}\)

W = Work (J)

U = Potential Energy (J)

m = mass (kg)

g = acceleration due to gravity (9.8 m/s²)

h = height (m)

t = time (s)

Begin by calculating the work:

\(W = 50(10)(8) = 4000 J\)

Now, divide by the time to solve for power:

\(P = \frac{4000}{5} = \boxed{800W}\)

**W is the unit for power (Watts).  Be careful not to get the two confused.

There are two main types of optical telescopes: refracting telescopes and reflecting telescopes.

1. Refracting telescopes: These telescopes use lenses to gather and focus light. The primary component is a large objective lens that collects and refracts incoming light towards a focal point. The light is then magnified by an eyepiece for viewing. Refracting telescopes are known for providing sharp and clear images, especially when observing celestial objects such as the Moon and planets. However, they can suffer from chromatic aberration, which causes color distortion due to the different wavelengths of light bending at different angles.

2. Reflecting telescopes: Reflecting telescopes use a curved mirror to gather and focus light. The primary mirror collects incoming light and reflects it to a secondary mirror, which then directs the light towards the eyepiece or a camera. Reflecting telescopes eliminate chromatic aberration, as mirrors do not refract light like lenses. They are also more versatile and cost-effective than refracting telescopes, allowing for larger apertures and the ability to gather more light. Reflecting telescopes are commonly used in astronomical research and provide high-quality images of various celestial objects, including galaxies, nebulae, and distant stars.

Overall, both types of telescopes have their advantages and are used for different applications in the field of astronomy.

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The expression for the overall mass transfer coefficient based on the liquid phase 1/kl = 1/overall mass transfer coefficient - (d'a * h'')/kg - (l/d'a * kg*h'')/(kl * kl)

To derive the overall mass transfer coefficient based on the liquid phase, we can start by considering the resistance to mass transfer in a system. According to the concept of resistance in series, the overall resistance is equal to the sum of individual resistances.

In this case, the overall mass transfer resistance is a combination of the liquid film resistance (1/kl), the resistance in the liquid phase (1/kl), and the resistance at the gas-liquid interface (1/kg*h''). Therefore, we can write:

1/overall mass transfer coefficient = 1/kl + 1/kl l/d'a + 1/kg*h''

To simplify the expression, we can take the reciprocal of both sides:

overall mass transfer coefficient = 1/(1/kl + 1/kl l/d'a + 1/kg*h'')

Next, we need to manipulate the expression using algebraic techniques to simplify it further.

To combine the three terms in the denominator, we can find the least common denominator (LCD). The LCD is given by kl * kl l/d'a * kg*h''. Multiplying each term by the LCD, we get:

overall mass transfer coefficient = (kl * kl l/d'a * kgh'') / (kl * kl l/d'a + kl * kgh'' + kl l/d'a * kg*h'')

Now, we can simplify the numerator:

kl * kl l/d'a * kg*h'' = (kl * kl * l * kg) / (d'a * h'')

Substituting this back into the expression, we have:

overall mass transfer coefficient = [(kl * kl * l * kg) / (d'a * h'')] / (kl * kl l/d'a + kl * kgh'' + kl l/d'a * kgh'')

We can further simplify by canceling out common terms:

overall mass transfer coefficient = (kl * kl * l * kg) / [(d'a * h'') * (kl * kl l/d'a + kl * kgh'' + kl l/d'a * kgh'')]

Finally, we can rearrange the terms to obtain the desired form:

overall mass transfer coefficient = 1 / [1/kl * (d'a * h'') + 1/kg * (kl l/d'a) + 1/(kl l/d'a) * (kg*h'')]

Which is equivalent to:

1/overall mass transfer coefficient = 1/kl * (d'a * h'') + 1/kg * (kl l/d'a) + 1/(kl l/d'a) * (kg*h'')

Thus, we have derived the expression for the overall mass transfer coefficient based on the liquid phase:

1/kl = 1/overall mass transfer coefficient - (d'a * h'')/kg - (l/d'a * kg*h'')/(kl * kl)

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The exact size of a neutron star can vary depending on its mass, but a typical neutron star of 1 solar mass is predicted to have a diameter of approximately 20 kilometers.

A neutron star is an extremely dense object that forms when a massive star collapses in on itself after running out of fuel. The core of the star collapses under the force of gravity, and the protons and electrons combine to form neutrons. This results in a star that is incredibly dense, with a mass of about 1.4 times that of the Sun but a diameter of only about 20 kilometers. This is because the neutrons are packed incredibly tightly together, creating a state of matter that is unlike anything we experience on Earth.

The reason for the small size of a neutron star, despite its mass, is due to the extreme gravitational force compressing the neutrons together. This results in a very compact and dense object, leading to the estimated diameter of approximately 20 kilometers.

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If a sleeve bearing fails in a small, fractional horsepower motor, B. the bearings must be replaced.

Sleeve bearings, also known as plain bearings, are commonly used in small fractional horsepower motors to support the motor shaft and reduce friction. Over time, due to wear and tear or insufficient lubrication, sleeve bearings can fail, resulting in increased friction, heat, and potentially motor malfunctions. When a sleeve bearing fails in a motor, simply replacing the bearings is the appropriate course of action.

By replacing the worn-out or damaged sleeve bearings, the motor can regain proper support and smooth rotation, reducing friction and preventing further damage to the motor components. It is essential to choose high-quality bearings that are compatible with the motor specifications to ensure optimal performance and longevity.

It is important to note that other options listed in the question, such as replacing the entire motor (option A), using a larger capacitor (option C), or reversing the motor rotation (option D), are not necessary or effective solutions specifically for addressing sleeve bearing failures. These options may be applicable in different scenarios but are not directly related to resolving bearing issues.

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The average acceleration of the car moving linearly is 6 m/s².

Acceleration is a vector quantity that is defined as the rate at which an object changes its velocity.

a = Δv/Δt

where;

The average acceleration of the car moving linearly is calculated as follows;

a = 30 m/s / 5 s

a = 6 m/s²

Thus, the average acceleration of the car moving linearly is 6 m/s².

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Answer:

a.25J

Explanation:

m=0.5kg

g=10

h=5

potential energy=m×g×h

=0.5×10×5

=25J

A capacitor can only be fully charged or discharged after five time constants. It is accurate to say this.

Let Q0 represent the maximum charge.

where t is the length of time, and is the speed of time.

The sum of the equal resistance R and capacitance comparable C is used to indicate the time constant for the RC circuit.

(τ=RC)

Q=Q0(1−e−t/τ)

Q=Q0(1−e−t/RC)

In the exact similar RC circuit, a capacitor's discharge equation can be obtained as

Q= Q0e−t/τ

Q=Q0e−t/RC

Both expressions make it obvious that the exact same time constant is employed for the capacitor's charging and discharging processes.

Consequently, the assertion is accurate.

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Answer:

We know that 1 meter = 100 centimeters, and 1 foot = 12 inches.

So  (1,609 meters) x (100 centimeters/meter)  =  (5,280 feet) x (12 inches/foot)

The second fraction on each side of the equation is equal to ' 1 ', because

the numerator is equal to the denominator, so sticking it in there doesn't

change the value of that side of the equation.  But now we can cancel some

units,and wind up with the units we need.

  (1,609 meters) x (100 centimeters/meter)  =  (5,280 feet) x (12 inches/foot)

        (1,609 x100) centimeters  =  (5,280 x 12) inches

            160,900 centimeters  =  63,360 inches

Divide each side by  63,360 :        2.54 centimeters =  1 inch

Explanation:

Option C is correct. Frequency can be found by counting the number of troughs per second in a wave diagram.

Frequency is defined as the number of repetitions of waves occurring in 1 second. It can also be said that Frequency is defined as the number of cycles completed in 1 second.

Frequency is given by the formula as,

\(\rm f=\frac{1}{t}\) Hz.

Hence option C is correct. Frequency can be found by counting the number of troughs per second in a wave diagram.

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Answer:

C is correct

Explanation:

A 750kg car with an initial speed of 110km/hr is observed to coast up a hill to a height of 22m above its starting point, how much thermal energy was generated by friction.  188462 J

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material factors sliding against each other. There are numerous kinds of friction:

while surfaces in touch pass relative to every other, the friction between the 2 surfaces converts kinetic strength into thermal energy (this is, it converts paintings to warmth). This belongings may have dramatic results, as illustrated through using friction created by rubbing pieces of wooden together to start a fireplace. Kinetic power is transformed to thermal electricity every time motion with friction happens, as an example while a viscous fluid is stirred. every other vital consequence of many varieties of friction may be wear, which might also cause overall performance degradation or damage to additives. Friction is a component of the technology of tribology.

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Answer:

4

Explanation:

because 20/5  is 4, which means that suzie's acceleration is 4. Hope I helped

Answer: 172

Explanation: Because yeah

A current of 1.00 A flows in a wire. 1.60 × 10¹⁹ electrons flow past any point in the wire per second.

Let's calculate how many electrons are flowing past any point in the wire per second.

The amount of electric charge flowing through a conductor per unit time is known as electric current. The current flowing in a wire is a measure of the quantity of electrons passing a certain point in the circuit. When one coulomb of charge passes a point in the wire per second, the current is 1 ampere.

A coulomb of charge corresponds to 6.24 × 1018 electrons, or Avogadro's number (6.02 × 1023) of electrons. As a result, the amount of electrons flowing past any point in the wire per second can be calculated as follows:

I = Q / t

Charge = I * t

Charge = 1.00 C

Charge = 6.24 × 10¹⁸ electrons

Therefore, Number of electrons flowing past any point in the wire per second

= (1.00 C / 6.24 × 10¹⁸ electrons) x 1s

= 1.60 × 10⁻¹⁹

coulombs of charge / electron1.60 × 10⁻¹⁹ coulombs of charge / electron = 1 electron per 1.60 × 10⁻¹⁹ seconds

Therefore, 1.60 × 10¹⁹ electrons flow past any point in the wire per second.

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In free fall

\(\boxed{\sf s=-\dfrac{1}{2}gt^2}\)

\(\\ \sf\longmapsto s=-\dfrac{1}{2}\times 9.8(1)^2\)

\(\\ \sf\longmapsto s=-4.9(1)\)

\(\\ \sf\longmapsto s=-4.9m\)

\(\\ \sf\longmapsto s=4.9m\)

The merry-go-round rotates at a rate of 0.4 revolutions per second. This means it completes 0.4 full rotations every second.

The rate of rotation of the merry-go-round is given as 0.4 rev/s. This means that for every second that passes, the merry-go-round completes 0.4 full rotations. To visualize this, imagine standing at a fixed point and observing the merry-go-round. In one second, you would see it rotate 0.4 times or complete 0.4 full rotations. This rate of rotation can be used to calculate various properties of the merry-go-round, such as the time it takes to complete a certain number of rotations or the angular displacement covered in a given time interval.

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C. The metal and the plastic allow electricity to flow through the wire easily.

A conductor is a material that allows electricity to flow through it easily, with little resistance. Conductors are typically made of metal, such as copper or aluminum, and are used in electrical wires to transmit electrical signals and power.

The thin metallic wires inside the plastic covering are usually made of a conductor, such as copper or aluminum, which allow electricity to flow through them easily. The plastic covering, or insulation, protects the metal wires from touching each other and short-circuiting, which can cause electrical hazards, such as fires or shocks. The plastic also helps to keep the metal wires in place and protected from physical damage.

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Answer: 3.1

Explanation:

v=ir

so r=v/i

6.2/2=3.1 ohms

Answer :The answer is 3.1

Explanation: For this equation we solve it by dividing the voltage by the current flowing in the circuit. So the resistance formula is represented by

voltage/current.

Me das mas información?

Answer:

jello

Explanation:

it jiggles

Answer:

???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

Explanation:

The correct answer is A) We do not yet have a theory that links quantum mechanics and general relativity.

The Planck era refers to the first fraction of a second after the Big Bang when the universe was extremely hot and dense, and the energy density was so high that the laws of physics as we know them break down.

Therefore, to understand the behavior of the universe during this era, we need a theory that can unify quantum mechanics, which describes the behavior of particles at the atomic and subatomic scale, and general relativity, which describes the behavior of gravity at the cosmological scale.

Currently, there is no such theory, and this is why we cannot describe what happened during the Planck era.

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The merry-go-round is accelerating since it is moving in a circle despite the fact that it is moving at a constant speed. The fact that an object moves in a circle does not always imply that it is moving at a constant speed. When an object moves in a circle, it changes direction, and this alteration of direction implies that the object is accelerating.

Even if the speed remains constant, it is still accelerating because the velocity is changing. This is referred to as centripetal acceleration. Centripetal acceleration is the acceleration caused by a force that pulls an object towards the center of the circle. Centripetal force is required for a body to move in a circle. A merry-go-round moves in a circle at a constant speed. This implies that the speed of the merry-go-round does not vary. However, the direction of motion changes continuously, indicating that the merry-go-round is constantly accelerating. Therefore, the merry-go-round is accelerating despite the fact that it is moving at a constant speed.

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Answer:

The orbital velocity an aircraft orbiting around a heavenly body is found as follows;

At the orbital velocity, \(F_G\) = \(F_C\)

Where;

\(F_G\) = The gravitational force = \(\dfrac{G \cdot M \cdot m}{R_E^2}\)

\(F_C\) = The centripetal force = \(\dfrac{m \cdot v_0^2}{R_E}\)

Therefore

\(v_0 = \sqrt{\dfrac{G \cdot M}{R_E} }\)

Therefore, at the orbital velocity of the spacecraft, the centripetal force attracting the person away from the central region heavenly body is equal to the gravitational force pulling the person towards the center of the heavenly body (which was felt as her or his weight), and the person feels weightless while inside the orbiting spacecraft

Explanation: