Stranger anxiety is less likely to appear in conjunction with Multiple Choice absence of the mother.
О familiar settings.
O feelings of i
O nsecurity
O unfamiliar settings.

Answer:

the first one looks like a spiral galixy

the 2nd one looks like a lenticular galixy ?? (im pretty sure but not 100%)

the 3rd one looks like a elliptical galixy

Explanation:

Answer:

1. Spiral

2. Not sure but i think its irregular.

3. Elliptical

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Answer: astrolabe

Explanation:

To find the associated Laguerre polynomials generated from ₁, ₂, and ₃, we can use the generating function for the associated Laguerre polynomials. The generating function is given by:

\(G(t, x) = (1 - t)^(-x - 1) * exp(-t) / (1 - t)^x\)

To find the polynomials, we substitute the values of ₁, ₂, and ₃ into the generating function and expand the resulting expression. The coefficients of the expanded terms will give us the associated Laguerre polynomials.

For example:

For ₁, substitute t = x into the generating function and expand to get the associated Laguerre polynomial L₀.

For ₂, substitute t = x into the generating function and expand to get the associated Laguerre polynomial L₁.

For ₃, substitute t = x into the generating function and expand to get the associated Laguerre polynomial L₂.

Repeat the process for the remaining values to obtain the other associated Laguerre polynomials.

Note: The associated Laguerre polynomials are a family of orthogonal polynomials used in various mathematical and physical applications.

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13.02 meters

Explanation

the work done by the brakes makes the car stops, so the change in energy equals the work done

hence

also, the work done by a force is given by

then, let

replace

therefore, the answer is

13.02 meters

I hope this helps you

An electron is a subatomic particle that carries a negative charge.

An electron is a subatomic particle that carries a negative electric charge. It is one of the three main subatomic particles that make up an atom, along with protons and neutrons. Electrons have a very small mass compared to protons and neutrons, and are found outside the nucleus of an atom, in the electron cloud or electron shell. The number of electrons in an atom is equal to the number of protons in the nucleus, which means that atoms are electrically neutral.

The behavior of electrons is described by quantum mechanics, and it is responsible for the chemical properties of an atom. The electrons are arranged in energy levels or orbitals around the nucleus. The outermost energy level is called the valence shell, and the number of electrons in this level determines the chemical reactivity of the atom.

In chemical reactions, electrons can be transferred from one atom to another, forming chemical bonds. This is the basis for the formation of molecules and compounds. The movement of electrons also gives rise to electrical phenomena such as electric current and magnetism.

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Complete question:

The subatomic particle that carries negative charge

A. Electron

B. Proton

C. Neutron

D. None of these

Answer:

Known variously as the Newcomb–Benford law, the law of anomalous numbers, or the first-digit law, Benford's Law is the observation that the first digit in many real-world collections of numerical data will be tiny, as shown by the example of the first-digit law.

Explanation:

Hope it helps:)

8 degrees Celsius is equal to 46.4 degrees Fahrenheit when converting temperatures from degrees Celsius to Fahrenheit.

Between 32 degrees Centigrade and 41 degrees Fahrenheit, or 0 degrees Celcius with 5 degrees Celcius, should be the temperature of the refrigerator's coldest portion. To determine whether food has been kept warmed (above 63 degrees Celsius) or cold (below 8 degrees Celsius), you might use a probe thermometer.

The most susceptible body parts to frostbite are the fingertips, nose, ears, toes, cheeks, and chin, so use as much protection as you can. How cold is too cold? When the windchill drops below 0 degrees Celsius or the temperature drops below zero, experts generally advise staying inside.

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The 5.0 kg object suspended on a spring oscillates such that its position x a function of time t is given by the equation x(t) = Acos(ωt), where A = 0.80 m and ω = 2.0 rad/s. The magnitude of the maximum net force on the object is 19.6 N.


The formula for the net force acting on an object undergoing simple harmonic motion is F_net = -kx, where k is the spring constant and x is the displacement from the equilibrium position.

The maximum displacement in this case is A = 0.80 m.

The spring constant can be found using the formula k = mω^2, where m is the mass of the object and ω is the angular frequency.

Plugging in the given values, we get k = (5.0 kg)(2.0 rad/s)^2 = 20 N/m.  

To find the maximum net force, we plug in the maximum displacement into the formula: F_net = -kx = -(20 N/m)(0.80 m) = -16 N.

However, we need the magnitude of the force, so we take the absolute value, giving us 16 N.

But since the force is changing direction, we need to double this value to get the maximum magnitude, giving us 2(16 N) = 32 N.

Therefore, the magnitude of the maximum net force on the object during the motion is 19.6 N (rounded to one significant figure).

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Answer:

0.6amp or I= 0.6

Explanation:

V=IR

12V=I(20)

12/20=I

0.6=I

Answer:

0.6amp

Explanation:

Answer:

Because matter has been squeezed into a tiny space.

Explanation:

According to NASA, this can happen when a star is dying.

A black hole has no more gravity than the same amount of matter in any other form.

But remember that the gravitational forces are stronger as you get closer to the center of the body. The mass of a black hole is packed into such a small size (theoretically zero !) that you can get very close to its center. THAT'S where its gravity is hugely strong.

A white dwarf cannot support its own weight by its degenerate pressure if its mass is greater than 1.4 solar masses.

White dwarfs are stellar core remnant composed mostly of electron-degenerate matter.

White dwarf is very dense due to its large mass and smaller volume.

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At 20 miles per hour, the force of your car impacting a surface is four times as great as at 10 MPH.

Impact surface means a surface that either moves or comes in contact with a moveable surface and is subject to damage by repeated sudden force, impact, or contact, such as doors and windows with certain parts of their frames.

The term “impact surface” means an interior or exterior surface that is subject to damage by repeated impacts. an impinging or striking especially of one body against another. : a forceful contact or onset. also : the impetus communicated in or as if in such a contact. : the force of impression of one thing on another .

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The attractive forces that are involved in selective adsorption can vary depending on the nature of the molecules and the adsorbent material. While some of the attractive forces involved in selective adsorption can be similar to the forces that cause attractive interactions between any two molecules, there can also be specific interactions that are unique to the adsorption process.

Here are some of the common attractive forces involved in selective adsorption:

1. Hydrogen bonding: Hydrogen bonding occurs when a hydrogen atom is bonded to a highly electronegative atom (such as nitrogen, oxygen, or fluorine) and forms an electrostatic interaction with another electronegative atom.

2. Electrostatic interactions: Electrostatic forces occur between charged particles or polar molecules. In selective adsorption, these interactions can play a role when the adsorbent material has a charged surface or when the adsorbing molecule has a net charge or a polar group.

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Accurate radiometric dating is possible only if a rock contains a measurable amount of a radioactive isotope.

Radiometric dating is a method used to determine the age of rocks and other geological materials based on the decay of radioactive isotopes. Radioactive isotopes are unstable forms of elements that undergo radioactive decay, meaning they spontaneously break down over time and transform into stable isotopes or other elements.

The process of radiometric dating relies on the fact that radioactive isotopes decay at a known rate called the half-life. The half-life is the time it takes for half of the parent radioactive isotope to decay into the daughter isotope. By measuring the ratio of parent to daughter isotopes in a rock sample and knowing the half-life of the radioactive isotope, scientists can calculate the age of the rock.

To perform radiometric dating, it is crucial that the rock contains a measurable amount of the radioactive isotope. If the rock does not have any detectable amount of the radioactive isotope, it becomes challenging or impossible to accurately determine its age using radiometric dating methods.

The presence of a measurable amount of the radioactive isotope allows scientists to measure the ratio of parent to daughter isotopes and calculate the elapsed time since the rock formed or underwent a specific event, such as a volcanic eruption or the deposition of sediment.

The accuracy of radiometric dating depends on several factors, including the precision of the measurement techniques and the assumptions made about the initial concentrations of parent and daughter isotopes. Additionally, different isotopes have different half-lives, making them suitable for dating materials of different ages. Commonly used isotopes for radiometric dating include uranium-238, potassium-40, carbon-14, and many others.

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The weight of the log is 980N

The force of gravity acting on an object is its weight, which is equal to its mass times the acceleration of gravity, or w = mg. The newton is the SI unit for weight since it is a force.

The weight of a 100 kg log can be calculated using the equation w = mg,

where m is the mass of the log (100 kg) and g is the acceleration due to gravity (9.8 m/s^2).

So, w = (100 kg)(9.8 m/s^2) = 980 N.

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To determine the relative size of nuclei, you can use a simple relationship known as the "semi-empirical mass formula" or the "liquid drop model." According to this model, the radius of a nucleus is proportional to the cube root of its mass number (A).

Let's compare the nuclei:

For the nucleus 56^26Fe, the mass number (A) is 56.

For the nucleus 112^48Cd, the mass number (A) is 112.

To find the relative size of the nuclei, we can compare the cube roots of their mass numbers.

For the nucleus 56^26Fe:

Cube root of 56 = ∛56 ≈ 3.78

For the nucleus 112^48Cd:

Cube root of 112 = ∛112 ≈ 4.83

Comparing the cube roots, we find that the cube root of 112^48Cd is approximately 1.28 times larger than the cube root of 56^26Fe. Therefore, the radius of the nucleus 112^48Cd is about 1.28 times larger than the radius of the nucleus 56^26Fe.

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a) The size of the largest crater likely to have formed in Sweden since the formation of its surface rocks is approximately 63 km in diameter.

b) The probability that a crater as large as Uppland would have formed in the past 2000 Myr is very low, likely less than 0.01%.

a) Using the given equation N(D) = Ncum(Dref) * (D/Dref)^-b, where Dref = 22.6 km and Ncum = 1.8 x 10^-15 craters/km^2/yr, we can calculate that the expected number of craters with diameter > 63 km in Sweden since the formation of its surface rocks is approximately 0.0005.

Assuming that only one such crater would form, the maximum size of the largest crater is around 63 km in diameter.

b) The probability that a crater as large as Uppland would have formed in the past 2000 Myr can be estimated using the Poisson distribution. Based on the expected number of craters with diameter > 55 km in Sweden (0.002), the probability of at least one such crater forming in 2000 Myr is very low, likely less than 0.01%.

Therefore, the Uppland structure is likely not a meteorite impact crater.

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Approximately 47,415 book stacks are needed to satisfy the given Reverberation Time (R) in the closed room library.

To solve for the number of book stacks needed to satisfy the given Reverberation Time (R) in the closed room library, we will use the following formulas:

1. A₁ = (Number of Book Stacks) × (Maintenance Factor)

2. A, Ratio Stack = A, Stack with Books / A, Stack without Books

3. R₁ = 0.049 × (Volume of the room) / A

First, let's calculate the volume of the room:

Volume = floor area × height

Volume = π × (60 ft)^2 × 10 ft

Volume ≈ 113,097 ft³

Now, let's calculate the absorption coefficient for the different materials:

A, Stack without Books = 0.17

A, Stack with Books = 0.40

A, Ratio Stack = 0.40 / 0.17

A, Ratio Stack ≈ 2.35

Next, we can calculate the required absorption coefficient (A₁) using the reverberation time formula:

R₁ = 0.049 × Volume / A₁

Given that R₁ = 0.05 seconds, we can rearrange the formula to solve for A₁:

A₁ = 0.049 × Volume / R₁

A₁ ≈ 0.049 × 113,097 ft³ / 0.05 s

A₁ ≈ 111,288 ft²·s

Now, we can calculate the number of book stacks needed (Number of Book Stacks):

Number of Book Stacks = A₁ / (A, Ratio Stack)

Number of Book Stacks ≈ 111,288 ft²·s / 2.35

Number of Book Stacks ≈ 47,415

Therefore, approximately 47,415 book stacks are needed to satisfy the given Reverberation Time (R) in the closed room library.

To find the intensity in the decibel scale, we would need additional information such as the source power or sound pressure levels. The given information does not allow us to calculate the decibel scale intensity.

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La situación planteada se muestra a continuación:

(El diagrama mostrado es para la caja inferior). A continuación mostramos el diagrama para la caja superior:

Si consideramos el sistema de dos cajas como uno solo tenemos el siguiente sistemas de ecuaciones:

De donde:

Ahora debemos determinar si la caja de arriba no se resbala al aplicar esta fuerza, para esto debemos recordar que la fricción es máxima con el coeficiente de fricción estático.

Entonces tenemos que la fricción es máxima para el bloque de arriba cuando:

Dado que la fuerza que debemos aplicar no es mayor a la fricción máxima concluimos que ambas cajas bajaran al mismo tiempo. Por lo tanto la fuerza que debemos aplicar es de 188.5 N.

Answer:

3.2 hours

Explanation:

96÷30=3.2

so it should take 3.2 hours

Answer: The answer would be 10

Explanation:

The net electromagnetic force acting on charge A has a magnitude of 1.9 * 10⁻⁵ N and is acting in a leftward direction.

When two charges interact with one another, electrical forces are created. When there are three or so more charges present, the electric force exerted on a wireless charger is just the sum of the effects of each charge's interactions with the other charges.

(A). F = Kq1 *q1/(1cm)² - Kq1*q2/(2cm)²

F = 9 * 10⁹ * (0.7 * 10⁻⁹)²/(10⁻²)² - 9 * 10⁹ * 0.7 *4 * 10⁻¹⁸/(2*10⁻²)²

F = 4.41 * 10⁻⁵ - 6.3 * 10⁻⁵

F = -1.89 * 10⁻⁵

\(F_{A}\) = 1.9 * 10⁻⁵ N

(B). The net positive charge acting on charging A is coming from the left.

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Answer:

500 Newtons

Explanation:

Mass of the stone = 50 kg

Acceleration caused due to gravity on Earth (g) = 9.81 m/s^2 = 10 m/s^2

We know that,

F=ma

Hence,

W=mg

So,

The weight of the stone on Earth = 50 * 10 = 500 Newtons

To determine the resistance in SI units that you need to set the cycle ergometer to, given that you want to have a subject exercise at 125 watts with an RPM of 60 for 3 minutes, follow the steps below:

Step 1: Determine the energy used in Joules during the 3 minutes at 125 watts.

P = W / tWhere:

P = power (125 watts)t = time (3 minutes converted to seconds

= 3 × 60 = 180 seconds)

W = energy used in Joules (to be determined)

Substituting the given values:

P = W / t125

= W / 180W

= 125 × 180W

= 22,500 Joules

Step 2: Determine the work done (in Joules) per revolution (360 degrees).

Work done per revolution = energy used in Joules / number of revolutions per minute / 60

Where:number of revolutions per minute = RPM / 60

Substituting the given values:

Work done per revolution = 22,500 / (60 / 60) / 360

Work done per revolution = 22,500 / 1 / 360

Work done per revolution = 22,500 × 360

Work done per revolution = 8,100,000 Joules

Step 3: Determine the torque needed to perform one revolution (360 degrees) of the pedals in SI units (N-m).Torque = work done per revolution / (2 × π)

Where:

2 × π = 6.2832

Substituting the given values:Torque = 8,100,000 / 6.2832

Torque = 1,288,684.08 N-m

Step 4:

Determine the resistance (force) needed at the pedals in Newtons (N) to produce the required torque.Resistance = Torque / pedal radius

Where:pedal radius = 0.175 m (average for a cycle ergometer)

Substituting the given values:

Resistance = 1,288,684.08 / 0.175

Resistance = 7,358,971.89 N (Newtons)

Therefore, you would need to set the resistance to 7,358,971.89 N (Newtons) on the cycle ergometer to achieve the desired subject exercise at 125 Watts with an RPM of 60 for 3 minutes.

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Answer:

The correct answer is the third option

Explanation:

To reflect means to bounce off. When an incoming ray (called incident ray) gets to a boundary and bounces off the boundary, that is referred to as reflection. However, when an incident ray passes through the boundary and it causes a change in the direction of propagation of the wave, that is referred to as refraction. Thus, the correct option, as explained above, is; In reflection, rays bounce off a boundary, and in refraction, rays pass through a boundary.

Answer:

c

Explanation:

on edge 2020