Two forces oppose each other while a star is stable. The first is gravity pulling inward. What is the
other force?

The portions of the electromagnetic spectrum are used in the television set. It is used in the picture tube in the old television set.

The electromagnetic radiation distribution in accordance with the frequency or wavelength is known as the electromagnetic spectrum.

The portions of the electromagnetic spectrum are used in the television set. It is used in the picture tube in the old television set.

Hence, option b is correct.

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Answer:

Your a genius!

Explanation:

A chart that compares and contrasts electric and magnetic fields.

Some differences between electric and magnetic fields that you could include in a chart are

Electric Fields

1. Created by electric charges.

2. Can exist even when charges are at rest.

3. Can attract or repel other charges.

4. Electric field lines begin and end on charges.

5. Units are N/C or V/m.

5. Can do work on charges, converting potential energy to kinetic energy.

6. Can be shielded by conductors.

Magnetic Fields

1. Created by moving charges.

2. Only exist when charges are in motion.

3. Can attract or repel other magnets.

4. Magnetic field lines form closed loops.

5. Units are T (Tesla) or Gauss.

6. Cannot do work on charges, but can induce a voltage.

7. Cannot be shielded by conductors, but can be partially shielded by materials like iron.

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Explanation:

9.

Given parameters:

     Net force on object  = 200N

      Acceleration  = 500m/s²

Unknown:

Mass of the object = ?

Solution:

According to newton's second law of motion, force is the product of mass and acceleration;

      force  = mass x acceleration

Insert the parameters and solve;

         200  = mass x 500

             mass  = \(\frac{200}{500}\)   = 0.4kg

10:

Given parameters:

           Mass of dummy = 75kg

             Net force on dummy  = 825N

Unknown:

Dummy's deceleration = ?

 Solution:

Deceleration is the negative form of acceleration;

    Force  = mass x acceleration

       Acceleration  = \(\frac{force }{mass}\)  

       Acceleration  = \(\frac{825}{75}\) = 11m/s²

The deceleration is -11m/s²

ANSWER

False.

EXPLANATION

In radioactive decay (or nuclei decay), an unstable nucleus emits radiation into a nucleus that is table and has less energy and a lower mass.

Therefore, nuclei decay from a less stable form to a more stable form.

The answer is false.

The maximum height of an object thrown or shot vertically into the air is reached after t seconds, where t is the k-coordinate of the vertex of the parabola.

When an object is thrown or shot vertically, its motion can be modeled by a parabolic function.

The vertex of this parabola represents the highest point the object will reach, and the k-coordinate of the vertex represents the time it takes for the object to reach that height.

Hence, The maximum height of a vertically thrown or shot object is attained at the k-coordinate of the vertex of the parabola, which corresponds to the time t in seconds.

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b. The skydriver has the fastest speed at 4 seconds statement best identifies her speed at each second.

The process by which friction slows something moving through air is known as air resistance.

The object's velocity, surface area, and shape all play a role in air resistance. Air density and resistance are affected by temperature, humidity, and altitude.

The greater the resistance, the greater the area and the greater the speed. The frequency at which air molecules come into contact with the object increases with speed. Air resistance increases as a result.

As a result, the sky driver's speed also increases as the air resistance of the 500N driver increases.

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(complete question)

A skydiver dives from an airplane. air resistance is measured each second following the skydiver’s jump.

Time after jump | Weight | Air Resistance

1 sec | 500 N | 200 N

2 sec | 500 N | 300 N

3 sec | 500 N | 400 N

4 sec | 500 N | 500 N

Which statement best identifies her speed at each second?

a. The skydriver has the slowest speed at 2 seconds

b. The skydriver has the fastest speed at 4 seconds

c. The skydriver has the slowest speed at 1 second

d. The skydriver has the fastest speed at # seconds

If an electron vibrates back and forth in an clean wire with a frequency of 60.0 Hz, then it will make 2.2×10⁵ cycles. in 1.0 h. Hence option D is correct.

Electric charge is the physical property of matter that experiences force when it is placed in electric field. F = qE where q is amount of charge, E = electric field and F = is force experienced by the charge. there are two types of charges, positive charge and negative charge which are generally carried by proton and electron resp. like charges repel each other and unlike charges attract each other. the flow charges is called as current. Elementary charge is amount of charge a electron is having, whose value is 1.602 x 10⁻¹⁹ C

Amplitude is a measure of loudness of a sound wave. More amplitude means more loud is the sound wave.

Wavelength is the distance between two points on the wave which are in same phase. Phase is the position of a wave at a point at time t on a waveform. There are two types of the wave longitudinal wave and transverse wave.

Frequency is nothing but the number of oscillation in a unit time.

Given,

frequency f = 60.0 Hz.

time t = 1.0 h = 60*60 = 3600s

F = number of cycles/time

number of cycles = F×time

The number of cycles in 1 Hr is

60*3600 = 2.2×10⁵ cycles.

Hence option D is correct.

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Answer:

You have to divide your real measurement to the model. For example, if your real measurement is 5m and your model is 20cm, divide 5/20 =1/4 and that means the ratio would be 1:4.

Explanation:

a)It is possible for the magnetic force on a charge moving in a magnetic field to be zero. The force acting on the charge is zero when a charge is moving in the same or opposite direction of the magnetic field.  When a is charge moving parallel in the same direction of the magnetic field, then the magnetic force  is zero.

b)It is not possible for the electric force on a charge moving in an electric field to be zero. If there's a charged particle in a magnetic field, it's impossible for this force to become zero.

c)It is not possible for the resultant of the electric and magnetic forces on a charge moving simultaneously through both fields to be zero. The magnetic force can be zero but the electric force cannot be zero because it is not affected by the motion of the particles.

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The change of the copper temperature if a 0.6g piece of copper is heated and fashioned into a bracelet with 62,100 J amount of energy transferred is 265.4°C.

The change in temperature of a metallic substance in a calorimetry experiment can be calculated using the following formula:

Q = mc∆T

Where;

According to this question, a 0.6g piece of copper is heated and fashioned into a bracelet The amount of energy transferred by heat to the copper is 62,100 J.

62100 = 0.6 × 390 × ∆T

62100 = 234∆T

∆T = 62100/234

∆T = 265.4°C

Therefore, the change of the copper temperature if a 0.6g piece of copper is heated and fashioned into a bracelet with 62,100 J amount of energy transferred is 265.4°C.

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Answer:

Keratinocytes are the predominant cell type of epidermis and originate in the basal layer, produce keratin, and are responsible for the formation of the epidermal water barrier by making and secreting lipids.

Answer:

Keratinocytes, which are cells in the epidermis, produce keratin, which helps create a protective barrier on the skin's outer layer [1]. As the keratinocytes produce keratin, they start to die, leading to the death of the skin cells.

Answer: gravity

normal force

friction

Explanation:

A force is refered to as the interaction which when unopposed, will lead to a change in an objects motion. The velocity of an object will be changed when force is applied.

Since Alisa s riding down a hill and she and the skateboard are considered to be a single object, then the forces that are acting on her include gravity, normal force and friction.

Answer:

It is lime. Basically, the lime is kinda too weak for it to produce. Thats what I remember my teacher saying. Hope this helps!

Explanation:

Given data:

* The initial velocity of the rabbit is u = 0 m/s.

* The acceleration of the rabbit is,

* The time taken is t = 3 s.

Solution:

By the kinematics equation, the final velocity of the rabbit is,

Substituting the known values,

Thus, the velocity of the rabbit is 22.5 m/s.

The shift of blackbody curves can be described by Wien's displacement law, which states that the peak wavelength of the emission from a blackbody radiator is inversely proportional to the absolute temperature of the radiator.

When you compare the blackbody curves of very hot objects with much cooler objects, there will be a shift towards the left side of the x-axis (wavelengths). The blackbody curves of hot objects will have a higher maximum emission value. This shift is because the temperature of an object determines the amount of radiation emitted by it, and the wavelength at which this radiation is emitted. In other words, as the temperature of an object increases, the maximum amount of radiation emitted will also increase. The Wien's displacement law can help in describing the shift of blackbody curves when objects of different temperatures are compared.The shift of blackbody curves when objects of different temperatures are compared can be explained using the Wien's displacement law. This law states that the peak wavelength of the emission from a blackbody radiator is inversely proportional to the absolute temperature of the radiator.

As the temperature of an object increases, the peak wavelength of the radiation emitted will decrease. This means that the blackbody curve will shift towards the left side of the x-axis (wavelengths) and will have a higher maximum emission value.

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The following are some examples of unplanned downtime: Power interruptions, Tornado and Failure of the network

Unplanned downtime refers to a circumstance in which a piece of equipment or a system fails, resulting in unanticipated interruptions in the production or delivery of a service. It is possible for this to lead to a decline in productivity as well as a loss of income from unhappy customers. Power outages, broken equipment, natural disasters, and malfunctioning networks are some of the most common factors that lead to unplanned downtime.

Facilities that rely on electricity to function, such as data centres, industries, and hospitals, are susceptible to experiencing downtime as a result of power outages. Natural disasters such as tornadoes, hurricanes, earthquakes, and others can also result in downtime for businesses since they damage equipment and infrastructure. Failures in a network can impede communication and the transmission of data, which can result in downtime for information technology systems and online services.

Organisations should undertake preventative maintenance programmes, invest in backup systems and redundancies, and test their disaster recovery plans on a regular basis to reduce the likelihood of experiencing unplanned downtime. In addition, organisations can utilise predictive analytics and machine learning to identify possible issues before they occur and take preventative measures to reduce downtime. This can help businesses avoid costly and disruptive downtime. If organisations follow these procedures, they will be able to lessen the detrimental effects of unplanned downtime and preserve the continuity of their operations.

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Metamorphic rock: A rock changed by heat, pressure, and fluids.

Foliation: Parallel alignment of platy grains.

Burial metamorphism: A process that changes rock because of pressure with equal intensity from all sides.

Parent rock: The original rock before it metamorphoses.

Metamorphic rock: A rock changed by heat, pressure, and fluids. The word metamorphic means change in form. Metamorphic rocks are made by rocks that have been altered in some way. This can happen through heat, pressure, and fluids. Examples of metamorphic rocks include slate, gneiss, and marble.

Foliation: Parallel alignment of platy grains. Foliation is a term used to describe the parallel alignment of platy grains in a metamorphic rock. This is caused by pressure during metamorphism. The platy grains can be minerals like mica or clay.

Burial metamorphism: A process that changes rock because of pressure with equal intensity from all sides. Burial metamorphism is a process that changes rock because of pressure with equal intensity from all sides. This can happen when rocks are buried deep within the earth's crust.

Parent rock: The original rock before it metamorphoses. The parent rock is the original rock before it metamorphoses. This rock is changed into a metamorphic rock through the process of metamorphism.

To summarize, metamorphic rock is a rock that has been changed by heat, pressure, and fluids. Foliation refers to the parallel alignment of platy grains. Burial metamorphism is a process that changes rock because of pressure with equal intensity from all sides. The parent rock is the original rock before it metamorphoses.

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A. The electric field within the sphere as a function of the radius r is,

E = a / (ε₀ x r²)

B.  The new magnitude and direction of the electric field within the sphere at radius r is, E = a / (ε₀ x r) radially inward.

a) The electric field within a charged sphere can be found by using Gauss's law, which states that the total electric flux through a closed surface is proportional to the charge enclosed within the surface. For a sphere of radius r, the electric field at a point inside the sphere can be calculated as follows:

First, find the electric flux through a spherical surface of radius r, using the following equation:

Φ = ∫ E x dA = ∫ E x 4πr² dr

Next, use the volume charge density to find the total charge enclosed within the spherical surface:

Q = ∫ ρ x dV = ∫ (a/r) x 4πr² dr = 4πa

Now, equate the electric flux and the total charge, and solve for E:

Φ = Q / ε₀

E x 4πr² = 4πa / ε₀

E = a / (ε₀ x r²)

The magnitude of the electric field within the sphere as a function of the radius r is:

E = a / (ε₀ x r²)

where ε₀ is the vacuum permittivity constant (8.854 x 10⁻¹² C²/Nm²).

b) If the charge density within the sphere is given by rho = a/r², then the electric field can be found as follows:

First, find the total charge enclosed within the spherical surface:

Q = ∫ ρ x dV = ∫ (a/r²) x 4πr² dr = 4πa

Next, equate the electric flux and the total charge, and solve for E:

Φ = Q / ε₀

E * 4πr^2 = 4πa / ε₀

E = a / (ε₀ x r)

The magnitude of the electric field within the sphere as a function of the radius r is:

E = a / (ε₀ x r)

Note that the direction of the electric field is radially inward, since the charge density is positive.

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Answer:

ok

Explanation:

Acceleration is defined as the rate of change of velocity.

Acceleration = (Change in velocity) / time taken

Acceleration = (Final velocity - initial velocity) / time

As the object velocity changes by the same amount in each second, it means the acceleration is constant.

The transition of an electron in the hydrogen atom that releases the emission of light happens when: there are electrons that quickly drop from the higher orbit to the lower. When those electrons drop, energy will be released in form of light emissions.

When hydrogen atom absorbs energy, their electron will be raised to a higher energy level. This condition is known as an excited state. Because the higher orbit has less stability, those electrons tend to revert to the lower orbital. The drops of the electrons will emit energy in the form of light emissions. Hydrogen atoms have an emission spectrum that is known as the Balmer series.

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a. A Gaussian function's Fourier transform is another Gaussian function. E(tprovided )'s temporal field's Fourier transform is denoted by\(E(ω) = (2π/∆t) ^(1/2) exp[-(ω - ωo)^2 ∆t^2/4] experi(-io t).\)

The Fourier transform of the Gaussian function gets endlessly thin and resembles a Dirac delta function as the pulse width (t) approaches zero. It is said that the Dirac delta function is. \(δ(ω) = (1/2π) experi(-it) dt\) As a result, the temporal field E(t) changes when the pulse width (t) approaches zero to become E (t) exp(iot) (t) And the E(t) spectrum becomes: Exp(-iot) = E() (1/2) Exponent (I) = (T) = (-I) As a result, the Gaussian pulse's spectrum becomes endlessly narrow and monochromatic as the pulse width gets closer to zero, with all of the energy focused at the centre frequency o.

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Answer:

*Disclaimer you can't actually do that, or at least not yet because the nearest black hole is at least 1,000 light years away. But if we could...

His journy would be pretty fast and horrific. For him, he would slowly be streched apart or spegetified into a string of atoms as he nears the event horizoin. But for an outside observer he would apear to go slower and slower and would never actualy reach the event horizion. This is becuase of einstines general relativity, massive objects slow time down. He would also apear to become red as the lights wavelength is streched out due to the entense gravity of the black hole.

Answer:

If you want help, try showing that diagram and the following statements.

Zero the dynamic sensor is important because of its sensitivity, resolution, range, zero drift and repeatability.

Dynamic applications describe cyclical, quick measuring processes like those frequently seen in presses. In dynamic applications, it's crucial to tare the zero point at regular intervals to prevent the measuring signal from wandering.

The input for automated zero point adjustments is provided by the strain transducers. The PLC can be used to start the zero point adjustment. The signal is reset (pulled to zero) and the zero point adjustment is performed if the input is pulled to 3 V.

The sensor is in measuring mode if the input is open. Instead of using "Active-Low-Levels," the reset logic is also possible with "Active-High-Levels".

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Answer:

lux

Explanation:

I guess because I think I have read it somewhere

The requried measurement unit of luminous flux is lumen (D).

Unit of measurement is defined as every entity having its measures in dimensions, weight, and time. Such as for length we have a meter, for liquid we have liters, and so on.

Here,
The measurement unit of luminous flux is lumen (D). Luminous flux is the measure of the total amount of visible light emitted by a light source per unit of time, which is perceived by the human eye as brightness. It is a measure of the quantity of light energy emitted by a source in all directions per unit of time. Lumen is defined as the amount of light emitted by a light source in a solid angle of one steradian, within a unit of time.

Thus, the requried measurement unit of luminous flux is lumen (D).

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Answer:

no i haven't done it

Explanation:

clean yo computer tho

Answer:

when u find out pls lmk! i have the same question and I've been stuck for a while lol

Answer:

first one,heat is a measure of.........