a hallway display of energy is constructed in which several people pull on a rope that lifts a block 1.20 m. the display indicates that 0.95 j of work is done. what is the mass of the block?

The only allowed subshells from the given collection are 3p7, 4s3, 5s1, 5g15, and 1d1.
The 5s? is not an allowed subshell because the 5s orbital is completely filled and has no available orbitals for electrons.
The id? is not an allowed subshell because the id orbital does not exist.
The 3p? is not an allowed subshell because the 3p orbital is already filled with 6 electrons and has no available orbitals for additional electrons.

What is subshell?
The electrons in an atom are arranged into shells which encircle the nucleus, with each shell advancing away from the nucleus. Atomic orbitals make up subshells, whilst also electron shells are composed of one or even more subshells. While electrons in different shells or subshells have different energies, those within the same subshell share the same energy. In fact, shells are a collection of subshells that have the same quantum number, and subshells are a group of orbitals that have the same quantum numbers number as well as angular momentum quantum number.

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Answer:

12.3°C should be the correct answer

Answer:

12.3

Explanation:

The earth's atmosphere is transparent to most waves is visible part of the spectrum(option -1).

To some microwave radiation wavelengths, but not to others, the Earth's atmosphere is transparent. The Earth's atmosphere is more easily penetrated by the longer wavelength microwaves than by the shorter ones (wavelengths more akin to radio waves).

When compared to open, closed, or partially closed windows, the Earth's atmosphere is only transparent to particular wavelengths of light. All of the radio waves, the majority of the IR light, and all of the visible light pass through the atmosphere.

It should be noted that the atmosphere is generally opaque in the infrared spectrum and completely transparent in the visible and infrared bands. In our hypothetical case, this would be entirely transparent (no absorption) in the solar band and uniformly absorb (and emit) throughout the earth emission band.

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Answer:

The atomic weight

Explanation:

The property of isotopes that must be different is the atomic weight.

Isotopes are generally referred to as atoms of the same element with the same atomic number (proton number) but different neutron numbers.

Since the atomic weight of an atom is the sum of proton and neutron, atomsof the same element with different number of neutrons will definitely have different atomic weight.

Answer:

887.1Hz

Explanation:

Given parameters:

Speed of sound wave  = 330m/s

Wavelength  = 0.372m

Unknown:

Frequency  = ?

Solution:

To solve this problem, we use the expression below:

             Speed  = Frequency x wavelength

            330  = Frequency x 0.372

   Frequency  = 887.1Hz

Answer:

The equation used to justify the claim is Ohm's law:

I = V/R

where:

V = voltage

I = current

R = Resistance

Explanation:

Ohm's Law describes the relationship between current, voltage and resistance, and is represented by the equation; i = v/r.

The law states that the current flowing through a circuit is directly proportional to the voltage, v, and inversely proportional to the resistance, r. This means that if the current is increased, the voltage will increase, and the resistance will reduce.

The equation that can be used to justify the claim is :  I = V/R  ( Ohm's Law )

Ohm's  law ( I = V/R ), states that the current flowing through an electrical circuit is directly proportional to the voltage flowing through the circuit and inversely proportional to the resistance in the circuit.

In a nutshell an increase in voltage will cause a proportionate increase in the current present in the electrical circuit.

Therefore we can conclude that the equation that can be used to justify the claim is Ohm's law ( I = V/R )

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The acceleration of the object is determined as -2.5 m/s².

Acceleration is the rate of change of velocity with time.

Mathematically, acceleration is given as;

a = Δv/Δt

a = (v₂ - v₁)/(t₂ - t₁)

where;

From the graph;

the initial velocity = 40 m/s

the final velocity = 10 m/s

the final time = 12 seconds

the initial time = 0 second

acceleration = (10 - 40) / (12 - 0)

acceleration = -30/12

acceleration = -2.5 m/s²

Thus, the acceleration of the object is determined as -2.5 m/s².

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The main cause of this is Friction. The more oil that is laid down, the less friction there is between the ball and the lane surface. The less friction, the harder it is for the bowler to send the ball in a curved path imparted by the spin that the bowler puts on the ball at the instant of release.

I believe they should fall at the same pace.

Answer:

16.64 km/h

Explanation:

Think of the x and y components as the a and b sides of a triangle and simply do the Pythagorean Theorem:

\(a^2+b^2=c^2\)

\(14^2+9^2=c^2\)

\(\sqrt{196+81}=c\)

\(\sqrt{277}=c\)

\(16.64 km/h\)

Answer:

Explanation:

Electric force is an invisible force created by electrically charged objects. The area of this force around electrically charged objects is called electric field.

The answer is B.

Answer:

Explanation:

by def'n, ans is B. Electric, electric

The cosmic microwave background radiation indicates that the early universe was quite uniform.

Hence, the correct option is A.

The cosmic microwave background radiation (CMB) is a form of electromagnetic radiation that permeates the entire universe. It is considered the remnant radiation from the early stages of the universe, specifically from the era known as recombination when the universe became transparent to photons.

The CMB is observed to be highly uniform, meaning it has almost the same intensity and temperature in all directions. This uniformity is one of the key pieces of evidence supporting the Big Bang theory. It suggests that at the time the CMB was emitted, the early universe was in a state of high homogeneity and isotropy, with minimal variations in density or temperature from one place to another.

Therefore, The cosmic microwave background radiation indicates that the early universe was quite uniform.

Hence, the correct option is A.

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Answer:

hydrochlorine +12÷B to the power of 4 -× y reapeated zminus 2 to the power of 9

In peas, yellow seed the generation of a monohybrid cross that begins when a dominant homozygote is crossed with a recessive homozygote, you would expecta. three plants with yellow seeds to every plant with green seeds.

α+β⇄ω+∨↓

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Answer:

amikah is right.

Explanation:

it will go straight because of newton's first law being that, if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force. basically it left from the bottom of the marble track and will go straight because there isn't a force making it go curved.

The statement that 'the magnetic field due to a long straight wire at a point near it is inversely proportional to the square of the distance from the wire' is true.

The statement is true. When an electric current flows through a long, straight wire, a magnetic field is produced around the wire. The strength of the magnetic field is directly proportional to the magnitude of the current flowing through the wire. Additionally, the magnetic field produced by the wire is inversely proportional to the distance from the wire squared.

This relationship can be expressed mathematically using the Biot-Savart law, which states that the magnetic field dB at a point P due to a current element dl is given by:

\(dB = μ0/4π * (Idl x r) / r^3\)

where I is the current in the wire, μ0 is the permeability of free space, r is the distance between the current element and the point P, and dl is the length of the current element.

Integrating the expression for dB over the entire length of the wire gives the total magnetic field B at point P. Since the magnetic field is proportional to \(1/r^2,\) as the distance from the wire increases, the magnetic field strength decreases rapidly.

In summary, the magnetic field produced by a long, straight wire is inversely proportional to the square of the distance from the wire. This relationship is essential in many applications, including the design of transformers and motors.

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Answer:

7.644 feet

Explanation:

Free fall means that an object is falling freely with no forces acting upon it except gravity, a defined constant, g = -9.8 m/s2. The distance the object falls, or height, h, is 1/2 gravity x the square of the time falling.

x(t)=Acos(ωt) The amplitude of the periodic motion, x (t) = A cos |A|, is the maximum magnitude of the object's displacement. is the angular frequency of motion given by 2T 2 T, where T is the period of periodic motion, or the time required to complete one full cycle.

How to Calculate the Amplitude of Simple Harmonic Motion ?

Periodic motion is defined as an object that moves back and forth over the same path. A restoring force acts to bring the moving object back to its equilibrium position. A simple harmonic motion occurs when the restoring force is proportional to an object's displacement.

The following equation describes a simple harmonic motion.

x ( t ) = A cos ( t ) | A | is the periodic motion's amplitude, which is the maximum magnitude of the object's displacement. is the angular frequency of motion given by 2 / T, where T is the period of periodic motion, the time required to complete one full cycle.

Therefore, the total period of vibrations in harmonic motion :4 | A | gives the total distance traveled in one complete cycle as an object oscillates.

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Answer:

Benjamin Franklin

Explanation:

sorry if wrong.

I don't know who it is surely.

b. Spacetime is the combination of time and the three dimensions of space. It is a four-dimensional framework that incorporates both space and time, as described by the theory of general relativity.

Spacetime refers to the four-dimensional framework that combines the three dimensions of space with the dimension of time. It is a concept derived from Albert Einstein's theory of general relativity. In this theory, gravity is not seen as a separate force but rather as the curvature of spacetime caused by mass and energy. The presence of mass and energy warps the fabric of spacetime, causing objects to follow curved paths in their motion. The combination of space and time into a single interconnected entity, known as spacetime, allows for a unified understanding of the geometric nature of the universe and the behavior of objects within it.

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Answer:

satisfaction, enjoyment and fair play

Answer:

It is important to be a good sport, and even if you do not win still be happy about being able to participate, and congratulate the person that did win.

Explanation:

Hope this helped Bye!

Answer:

Comprobar explicación

Explanation:

Si el árbitro toma una decisión en el medio del juego, a pesar de estar equivocado, normalmente, como humano, las emociones están destinadas a superarlo, pero de acuerdo con el reglamento, hay conductas aceptables y una protesta llena de emociones. en el árbitro puede salirse de las manos y conducir a más castigos de acuerdo con los libros de reglas.

Después del partido, por lo general, aún me despediría y expresaría mi desagrado tan cortésmente como pueda, pero porque cuando uno se equivoca, las emociones que lo acompañan pueden volverse increíblemente incontrolables, por lo tanto, es mejor mantener el control y no obtener castigado aún más.

¡¡¡Espero que esto ayude!!!

Answer:

2283.3410863

Explanation:

Answer:

2283.341086

Explanation: Just plug the equation into the calculator as is

The answer to the question is option (c) 4F/q.

The electric field due to a single charge q at the center of a square is given by

E = F/qWhere F = 1/4πε₀ * q / r²,

where r is the distance between the charge and the center of the square. The electric field of the single charge q has a magnitude of F/q when it is at the center of the square.

If three other charges, each of the same magnitude, are placed on the other corners of the square, the resultant electric field at the center of the square is the vector sum of the electric fields due to the four charges.Let the distance between the charges and the center of the square be a.

The force due to each charge is given by

F' = 1/4πε₀ * q / a²

The electric field due to each charge at the center of the square is given by

E' = F'/q = 1/4πε₀ * q / a²q.

The electric field at the center of the square due to these four charges is the vector sum of the electric fields due to the four charges. Since the charges are placed at the corners of a square and are equidistant from the center, the angle between any two fields is 90°.

Hence, the resultant electric field is given by

E = 2E' sin 45° + 2E' sin 135°= 2E' /√2 + 2E' /-√2= 4E' /√2= 4 (1/4πε₀ * q / a²q) /√2= 4F /q.

Hence, the option (c) is the correct answer.

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\( \boxed{ \mathrm{Kinetic \: Energy = \frac{1}{2} m {v}^{2} }}\)

_____________________________

\(\mathrm{ \#TeeNForeveR}\)

The total distance covered by the hiker is 77 km.

To calculate the total distance covered by the hiker, we need to add up the distances of each individual walk.

For the first walk, the hiker covers a distance of 21 km at an angle of 143 degrees. The distance traveled can be calculated using the formula: distance = magnitude × cos(angle). Thus, the distance for the first walk is 21 km × cos(143°).

For the second walk, the hiker covers a distance of 24 km at an angle of 250 degrees. Using the same formula, the distance for the second walk is 24 km × cos(250°).

For the third walk, the hiker covers a distance of 16 km at an angle of 161 degrees. Again, applying the formula, the distance for the third walk is 16 km × cos(161°).

Finally, for the fourth walk, the hiker covers a distance of 16 km at an angle of 84 degrees. The distance can be calculated as 16 km × cos(84°).

To find the total distance, we add up the distances from each walk: (21 km × cos(143°)) + (24 km × cos(250°)) + (16 km × cos(161°)) + (16 km × cos(84°)) = 77 km.

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Answer:

Ok that 2 or 3 so for number 3

Explanation:

Answer: Frequency: 5 Hz. 5/1 second

Period: .2 seconds. T= 1/5