FILL IN THE BLANK. a capacitor uses an____field to store potential electric energy which can be used as a power source when connected to a network.

Answer:

C. solute

Explanation:

Everything dissolve in water. Things that are dissolve are called solute and the liquid in which they dissolve is called solvent to form a solution.

Electrons are ranked according to ground-state energies -

50 pm is followed by 100 pm and 200 pm (greatest first).

The lowest permitted energy state of an atom, molecule, or ion is known as the ground state in physics and chemistry. Therefore, the most stable configuration is represented by the ground state. Degenerate states are referred to when there is more than one possible ground state.

The expression of energy levels for an election in an infinite potential well is given by -

En = h²/2me*(n/2L)²

Where, h - Plank's constant, me* - nest mass of electron,

L - with of the potential well, n - quantum number

For ground state, n = 1, so, En = h²/2me*(n/2L)²----(1)

If all other factors remains constant, energy, En ∝ 1/L²

i.e., Energy will have highest value for the electron in the potential

well of least width. Thus, for the given question, the enter of energy

will be

a)50 pm > b) 100 pm > c) 200 pm.

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Answer: B. It decreases the quality

Explanation: Signal noise is any unwanted or random variation in a signal that interferes with the transmission or reception of information. Noise can be caused by various factors, such as electrical interference, thermal fluctuations, atmospheric disturbances, or defects in the transmission medium.

In the case of the wave shown in the graph above, which appears to be an optical signal transmitted through a fiber optic cable, noise can affect the quality of the wave by distorting its shape, amplitude, frequency, or phase. This can result in errors or loss of data at the receiver end, as the original signal becomes harder to distinguish from the noise.

The quality of a signal can be measured by its signal-to-noise ratio (SNR), which is the ratio of the power of the signal to the power of the noise. A higher SNR means a better quality signal, while a lower SNR means a worse quality signal. Noise can reduce the SNR of a signal by adding unwanted variations to its power.

Therefore, noise decreases the quality of the wave shown in the graph above.

Hope this helps, and have a great day! =)

Answer:

4.6 Joules

Explanation:

K=1/2*MV^2

1/2 * 2.1kg * 2.1^2m/s

==4.6305  Joules

simplified to 4.6 Joules

You are riding your bike at 5 m/s. In order to avoid hitting a child that has run into the street, you slam on your brakes and slow to a stop. It takes you  1.5 seconds to fully stop. Acceleration will be  3.33 \(m/s^{2}\)

The branch of physics that defines motion with respect to space and time, ignoring the cause of that motion, is known as kinematics. Kinematics equations are a set of equations that can derive an unknown aspect of a body’s motion if the other aspects are provided.

given

speed = 5 m/s

time = 1.5 seconds

using

v = u + at

0 = 5 + a ( 1.5 )

a = -5 / 1.5

 = 3.33 \(m/s^{2}\)

Acceleration will be  3.33 \(m/s^{2}\)

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Light is perceived as having color because of the way our brains interpret the wavelengths of light that reach our eyes.

This statement above is based on the scientific understanding of color and light. Light is a type of electromagnetic radiation that travels through space in waves. The color we perceive depends on the wavelength of the light; different wavelengths are perceived as different colors. However, light itself does not have a color, it is simply a form of energy.

Our brain interprets the wavelength of light that enters our eye and assigns it a color based on past experiences and cultural norms. This means that the concept of color is a subjective interpretation, and is not inherent in the light itself. So, it can be said that color exists only in our minds.

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Answer:

make a drinkable water filter

find like a bottle or something

put rocks and sands sticks etc

scoop some of the salt water

it might not taste the best but you won't least die or get hydrated

Explanation:

Answer:

Astronomers use computer models to simulate the process of galactic evolution through mergers and collisions. These models are based on our current understanding of the physical laws that govern the behavior of matter and energy in the universe. By running simulations of galactic mergers and collisions, astronomers can test their understanding of how these physical processes work in practice and how they contribute to the formation and evolution of galaxies.

One way that astronomers might test their understanding of the physical processes of the universe is by comparing the predictions of their models to observations of real galaxies. For example, if a model predicts that a particular type of galaxy should have a certain shape, size, or distribution of stars, astronomers can compare these predictions to observations of actual galaxies to see if they match up. If there is a discrepancy between the model's predictions and the observations, this can indicate that there are some physical processes that are not well understood or included in the model.

Another way that astronomers might test their understanding is by looking for patterns or trends in the properties of galaxies that are consistent with the predictions of their models. For example, if a model predicts that galaxies that have undergone a recent merger should have a particular distribution of gas and dust, astronomers can look for evidence of this pattern in observations of real galaxies. If they find that the predicted pattern is consistently observed in a large sample of galaxies, this can provide support for the model's predictions and the physical processes that it includes.

Overall, computer models of galactic evolution through mergers and collisions provide a powerful tool for astronomers to test their understanding of the physical processes of the universe. By comparing the predictions of their models to observations of real galaxies and looking for consistent patterns and trends, astronomers can refine their understanding of how galaxies form and evolve over time.

Answer:

i got u its a

Explanation:

Answer:

F = M a       fundamental Newton's equation

F = 3 kg * 3 m/s^2 = 9 kg m / s^2 = 9 Newtons

-- If A and B are pointing in exactly opposite directions, then their sum A+B is the minimum possible value.  A+B = 2 N in the same direction as B.

-- If A and B are pointing in exactly the same direction, then their sum A+B is the maximum possible value.  A+B = 6 N in that same direction.  

Answer:

Hi there

The water acquires a vertical velocity component during the fall equal to

Vy = sqrt(2gH) = 25.5 m/s. Its velocity at the bottom is 25.8 m/s, so the horizontal component at the bottom must be sqrt[(25.8)^2 - (25.5)^2] = 3.9 m/s

That must be the horizontal component at the top also, since it does not change during the fall. It is the velocity magnitude there.

Brainliest pls

1.00 kg of ice at -24.0°C is placed in contact with a 1.00 kg block of a metal at 5.00°C. They come to equilibrium at -8.88°C.

We can use the principle of conservation of heat to solve this problem. The heat lost by the metal must equal the heat gained by the ice.

The heat lost by the metal is given by

Q1 = m1c1ΔT1

Where m1 is the mass of the metal, c1 is its specific heat, and ΔT1 is the change in temperature.

The heat gained by the ice is given by

Q2 = m2c2ΔT2

Where m2 is the mass of the ice, c2 is its specific heat, and ΔT2 is the change in temperature.

Since the two objects come to thermal equilibrium, we can set Q1 equal to Q2

m1c1ΔT1 = m2c2ΔT2

Solving for c1, we get

c1 = m2c2ΔT2 / (m1ΔT1)

By putting these values we get

c1 = (1.00 kg)(2.06 kJ/kg·K)(-24.0°C - (-8.88°C)) / [(1.00 kg)(5.00°C - (-8.88°C))]

c1 = 0.902 kJ/kg·K

Hence, the specific heat of the metal is 0.902 kJ/kg·K.

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The passenger is moving at a speed of 5.13 m/s relative to the water, with a direction of 38.1° north of east.

A quantity or phenomena with independent attributes for size and direction is called a vector. Another meaning of the term is the mathematical or geometrical representation of a quantity. Vectors can be found in nature as force, momentum, electromagnetic fields, weight, and velocity.

Let's think of the boat's velocity in relation to the water as vector B and the passenger's velocity in relation to the boat as vector P.

B = (3.97 m/s) cos(50°) i + (3.97 m/s) sin(50°) j

= 2.55 i + 3.07 j

P = (1.46 m/s) i

= 1.46 i

Adding these vectors, we get:

B + P = 2.55 i + 3.07 j + 1.46 i

= 4.01 i + 3.07 j

The magnitude of the velocity of the passenger relative to the water is the length of this vector:

|B + P| = sqrt[(4.01 m/s)^2 + (3.07 m/s)^2] = 5.13 m/s

The direction of the velocity of the passenger relative to the water is the angle this vector makes with the positive x-axis, measured counterclockwise from due east.

θ = tan^(-1)(3.07/4.01) = 38.1°

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Answer:

200 km/hr

Explanation:

Since he goes 80km per hour, multiply this by 2.5 or two and a half hours.

80 x 2.5 = 200 km/hr.

The distance between two objects of radius 6 cm and 2 cm is zero

To find the distance between two objects with radii of 6 cm and 2 cm, we need to consider the center-to-center distance between the objects and subtract the sum of their radii.

Let's denote the radii of the objects as r1 = 6 cm and r2 = 2 cm.

The distance between the centers of the objects can be represented as d = r1 + r2. Adding the radii ensures that we account for the space occupied by both objects.

Substituting the values, we have d = 6 cm + 2 cm = 8 cm.

Now, to find the actual distance between the objects, we subtract the sum of their radii from the center-to-center distance:

Distance = d - (r1 + r2) = 8 cm - (6 cm + 2 cm) = 8 cm - 8 cm = 0 cm.

The resulting distance is 0 cm, indicating that the objects are in direct contact with each other. This means that their surfaces are touching. When the distance between two objects is zero, it implies that they are overlapping or in physical contact. In this case, since the distance is equal to 0 cm, the two objects are touching each other, with their surfaces coming into contact.

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The transition from n=2 to n=1 emits the longest wavelength.

The energy of a photon is directly proportional to its frequency and inversely proportional to its wavelength. A transition of an electron from an excited state to the ground state (n=1) results in the emission of a photon with the longest wavelength in the Lyman series.

The Lyman series corresponds to electron transitions to the n=1 level and includes ultraviolet wavelengths. The transition with the longest wavelength in the Lyman series is from n=2 to n=1, and it corresponds to the emission of a photon with a wavelength of 121.6 nm.

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--The complete question is, When an electron in excited energy level drops to a lower energy level a photon is emitted, if the electron is dropping to n=1 which transition will emit the longest wavelength?--

The velocity of the horse is 0 m/s, so the correct option is C.

The velocity is a vector that is given by the rate of change of the displacement.

\( v = \frac{d}{t} \)

Where:

d: is the displacement

t: is the time      

Since in the horse track the starting point and the finish line are at the same point, the velocity of the horse is zero because the velocity depends on the direction of the displacement, and here the displacement is zero (the horse returns to the starting point).  

Therefore, the correct option is C: 0 m/s.

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I hope it helps you!      

Answer:

The velocity of the horse is 0 m/s:

Correct answer is C.

The bullet is in the barrel for 4.5610^-5 s, experiences a force of 16713 N, an impulse of 0.763 Ns, and has a momentum of mv = 34.5 kg*m/s as it leaves the barrel.

What are the time, force, impulse, and momentum of a bullet fired from a gun with given mass, barrel length, and muzzle velocity

(a) The time the bullet spends in the barrel can be found using the equation for distance traveled by an object with constant acceleration, where the initial velocity is zero and the distance is the barrel length:

d = 1/2 at^2

Solving for time t, we get:

t = √(2d/a)

where a is the acceleration of the bullet as it is propelled out of the barrel. To find the acceleration, we can use the equation for force:

F = ma

where F is the force exerted on the bullet, m is the mass of the bullet, and a is its acceleration. Since the bullet is in the barrel, the force is the force of the expanding gases from the gunpowder. We can find this force using the ideal gas law:

PV = nRT

where P is the pressure of the gases, V is the volume of the barrel, n is the number of moles of gas produced by the gunpowder, R is the ideal gas constant, and T is the temperature of the gases. Solving for P, we get:

P = nRT/V

We can assume that the volume of the barrel remains constant during the firing of the bullet, so we can write:

P = k nT

where k is a constant that depends on the volume of the barrel and the gas constant R. Since the bullet is fired in a fraction of a second, we can assume that the temperature of the gases remains constant, so we have:

P = k n

The force exerted on the bullet is then:

F = PA = k nA

where A is the cross-sectional area of the barrel.

a = F/m = k nA/m = k P A/m = (kRT/V)(πr^2)/m

where r is the radius of the barrel. we get:

a = (k)(8.31 J/molK)(293 K)/(0.00066 m^3)(π(0.0033 m)^2)/(0.075 kg) = 2.4110^7 m/s^2

Plugging this into the equation for time, we get:

t = √(2d/a) = √(20.66 m/2.4110^7 m/s^2) = 4.56*10^-5 s

So the bullet is in the barrel for 4.56*10^-5 s.

(b) The force on the bullet while it is in the barrel is the force exerted by the expanding gases from the gunpowder, which we found to be:

F = k nA

Substituting in the given values, we get:

F = (k)(8.31 J/mol*K)(293 K)/(0.00066 m^3)(π(0.0033 m)^2) = 16713 N

So the force on the bullet while it is in the barrel is 16713 N.

(c) The impulse exerted on the bullet while it is in the barrel is the product of the force and the time:

J = FΔt = (16713 N)(4.5610^-5 s) = 0.763 Ns

So the impulse exerted on the bullet while it is in the barrel is 0.763 N*s.

(d) The momentum of the bullet as it leaves the barrel can be found using the equation:

p = mv

where p is the momentum, m is the mass of the bullet, and v is its velocity. We can find the velocity using conservation of energy, since the gun and bullet

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The magnetic field in the region is into the paper and has a magnitude of 60 mT and the tension in either wire is 0.096 N.

To find the tension in either wire, we can apply the equation for the force experienced by a current-carrying wire in a magnetic field.

The force experienced by a current-carrying wire in a magnetic field is given by the equation F = B * I * L * sin(θ), where B is the magnetic field strength, I is the current, L is the length of the wire, and θ is the angle between the wire and the magnetic field.

In this case, the wire is suspended horizontally by two vertical wires, and the magnetic field is into the paper. Since the wire is horizontal, the angle between the wire and the magnetic field is 90 degrees, so sin(θ) = 1.

The force experienced by the wire due to the magnetic field is F = B * I * L.

Given:

Current (I) = 8.0 A

Magnetic field (B) = 60 mT = 60 * 10^(-3) T

Length of the wire (L) = 40 cm = 40 * 10^(-2) m

Substituting the given values into the equation, we get:

F = (60 * 10^(-3) T) * (8.0 A) * (40 * 10^(-2) m)

Simplifying the expression, we find:

F = 0.192 N

Since the wire is suspended by two vertical wires, the tension in each wire will be half of the total force. Therefore, the tension in either wire is 0.192 N / 2 = 0.096 N.

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Answer: True

Explanation: I took the quiz and got it right! have a great day.

True, tornadoes are accompanied by spinning downdrafts and updrafts that form a funnel cloud.

What is a Tornado?

A tornado can be defined as a spinning air column, usually violet resulting from a thunderstorm in the cloud and extends to the ground.

These tornadoes are accompanied by spinning downdrafts and updrafts that form a funnel cloud.

The major constituent of tornadoes are:

Thus, we can conclude that the given statement about tornadoes is true.

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If the universe were to suddenly begin shrinking rather than continuing to expand, it would have a significant effect on the cosmic microwave background radiation (CMB).

The CMB is the afterglow of the Big Bang and is observed as a nearly uniform background radiation in all directions. It is thought to have been emitted when the universe was about 380,000 years old and had cooled enough for neutral atoms to form.

If the universe were to suddenly begin shrinking, the photons in the CMB would lose energy as they travel through the contracting space. This would cause the CMB radiation to shift to shorter wavelengths, which is known as blue-shifting.

Therefore, the correct answer is B. It would blue-shift.

The kinetic energy of the roller coaster at the bottom of the hill is 12250000 J

To answer this question, we must understand that the energy of a system is always conserved as explained by the law of conservation of energy.

The kinetic energy of the roller coaster will be equivalent to the potential energy of the roller coaster.

The kinetic energy of the roller coaster can be obtained as follow:

Kinetic energy = Potential energy

KE = mgh

KE = 2500 × 9.8 × 500

KE = 12250000 J

Therefore, the kinetic energy of the roller coaster is 12250000 J

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Answer: Kinetic energy increases and potential energy decreases when the velocity of an object increases

Explanation: probably that one

Answer:

2.76*10^-4

Explanation:

Trust me :)

Answer:

where are the phrase's?

Answer:

Which individual or group had perhaps the most profound effect on establishing social work as a specialized practice

Explanation:

Answer: The sun generates energy from a process called nuclear fusion. During nuclear fusion, the high pressure and temperature in the sun's core cause nuclei to separate from their electrons. Hydrogen nuclei fuse to form one helium atom. During the fusion process, radiant energy is released.