1. Describe the method you used to calculate the final temperatures of the water mixtures in part 1. Why were you not able to use the same method to predict the final temperature of the mixed water in part 2? (4 points)

Answer:

A. true

Suppose A = probability of a day occurring on the weekend

B = probability of day occurring last half of weekend

A int B = 2/7 * 1/2 = 1/7

obviously a Sun can occur only 1/7 of the time

Electron-electron repulsion in multi-electron systems is not included by the Bohr model.

According to the Bohr model, the energy levels at which electrons circle the nucleus are constant. At higher energies, orbits are found farther from the nucleus. Light is released as energy when electrons drop to a lower energy level.

It is thus because it is impossible to anticipate spectral lines precisely in multi-electron systems due to additional attractions and repulsions.

For atoms with just one electron, the Bohr model appeared to perform fairly well. All other atoms in the periodic table, with the exception of hydrogen, have more electrons orbiting their nuclei than hydrogen, some by a significant margin. The iron atom, for instance, has 26 electrons, while the oxygen atom has eight.

To know more about Bohr model visit:

https://brainly.com/question/3964366

#SPJ4

By Using Euler's method with two steps, we can find the approximate value of Y(2) is 2.125. , where Y is the solution of the initial value problem dy/dx = x - y, and Y(1) = 3.

Euler's method is defined as a numerical technique which is  used to approximate solutions into ordinary differential equations. The method includes dividing the interval of interest into smaller steps and thereafter approximating the solution at each step by using the derivative of the function.

In this case, we are given the initial value problem dy/dx = x - y, with the initial condition Y(1) = 3. To approximate Y(2) using Euler's method with two steps, we will divide the interval [1, 2] into two equal steps.

Step 1:

We start with the initial condition Y(1) = 3. Using the differential equation dy/dx = x - y, we can approximate the value of Y at the midpoint of the interval [1, 2].

Using the step size h = (2 - 1) / 2 = 0.5, we can calculate Y(1.5) as follows:

Y(1.5) ≈ Y(1) + h × (x - y) = 3 + 0.5 × (1.5 - 3) = 3 + 0.5 × (-1.5) = 2.25

Step 2:

Now, using the value of Y(1.5) as the new approximation, we calculate Y(2) using the same process:

Y(2) ≈ Y(1.5) + h × (x - y) = 2.25 + 0.5 × (2 - 2.25) = 2.25 + 0.5 × (-0.25) = 2.125

Thus,  by using Euler's method with two steps, the approximate value of Y(2) is 2.125.

To know more about Euler's method here

https://brainly.com/question/32513127

#SPJ4

The complete question is

Use Euler's Method With Two Steps To Approximate Y(2), Where Y Is The Solution Of The Initial Value Problem: Dy : X − Y, Y(1) = 3

The answer to your question regarding the absorption of UV radiation in either glaciated or non-glaciated areas is A. non-glaciated areas.

In non-glaciated areas, there is a higher chance of absorbing more UV radiation compared to glaciated areas. This is because snow cover, which is common in glaciated areas, has a high albedo and reflects a significant amount of UV radiation back into the atmosphere, reducing the overall absorption at the surface.

Learn more about "UV radiation": https://brainly.com/question/12367399

#SPJ11

If the kinetic energy of an object changes, then the collision is considered inelastic. This is regardless of whether the objects sticks together or not.

My best answer for this question would be D) inelastic, because kinetic energy is not conserved.

We can tell from the collision that it is not elastic.

Momentum is is conserved, it transfers to the other player.

Kinetic energy is not conserved, at it turns into internal friction.

I hope this helps! :)

A football tackle is an inelastic collision , because kinetic energy is not conserved.

When two bodies or particles move towards enough to interact with each other it is called the particles or the bodies are colliding.

So, when the football tackles it's kinetic energy changes.

Thus, A football tackle is an inelastic collision , because kinetic energy is not conserved.

Learn more examples about an Inelastic collision here -

https://brainly.com/question/24915434

#SPJ2

The largest planet in the solar system, Jupiter, is located five planets from the sun. It is a massive gaseous planet that is almost 2.5 times larger than the total size of all the planets in the solar system.

Unlike other planets, it rotates on its axis in the opposite way. Saturn, Uranus, and Neptune are examples of additional gas planets. Rocks are thought to make up the solid core of Jupiter. Jupiter lacks a clearly defined solid surface, just as the majority of other planets. The planet has an oblate spheroid shape with a bulge at the equator as a result of its spinning. The planet's atmosphere is broken up into several bands that change with altitude. There is a lot of turbulence at the boundaries and storms, the most well-known of which being the Great Red Spot, a huge storm that was first seen using a telescope in the 17th century.

The planet has a bulge in its equator because its surface is not solid, which causes the rotational speed there to be different from that in its polar regions. At its equator, this planet rotates at a speed of 28,273 miles per hour. Around Jupiter's poles, a whole day is thought to last nine hours and 56 minutes, whereas at its equator, it takes nine hours and 50 minutes.

To know more about solar system

https://brainly.com/question/9582356

#SPJ4

There are several ways to describe light including: wavelength, frequency energy, and color: E (kJ/photon) = 2.12 × 10⁻² kJ/photon, v (s⁻¹) = 2.99 × 10¹⁵ s⁻¹, Color = Red light (655 nm), λ (nm) = 2.99 × 10¹⁵ nm

What is frequency energy?

The relationship between frequency and energy comes into play when considering electromagnetic waves. According to the wave-particle duality of light, the energy of an individual particle or quantum of light, called a photon, is directly proportional to its frequency.

This relationship is described by the equation E = hf, where E represents the energy of the photon, h is Planck's constant (a fundamental constant in quantum physics), and f is the frequency of the wave. In this context, higher-frequency waves (e.g., ultraviolet or X-rays) carry more energy per photon than lower-frequency waves (e.g., radio or infrared waves).

E (kJ/photon) represents the energy of a photon. Since red light is given, we can use the energy of red light photons, which is approximately 2.12 × 10⁻² kJ/photon.

v (s⁻¹) represents the frequency of light. The given value of 2.99 × 10¹⁵s⁻¹ is already in the desired units.

Color is specified as red light with a wavelength of 655 nm.

λ (nm) represents the wavelength of light. The given value of 2.99 × 10¹⁵ s⁻¹ cannot directly be converted to wavelength, as it represents the frequency of light rather than the wavelength. Therefore, it cannot be converted to the desired units of nm.

To summarize, the energy of red light photons is 2.12 × 10⁻² kJ/photon, the frequency of light is 2.99 × 10¹⁵ s⁻¹, and the color of light is red with a wavelength of 655 nm. However, the given value of 2.99 × 10¹⁵ s⁻¹ cannot be directly converted to wavelength.

To know more about frequency, refer here:

https://brainly.com/question/30093033#

#SPJ4

If the power line frequency is 50 Hz, the speed at which a motor would run is 3000 revolutions per minute

Speed (in revolutions per minute) = (120 x Frequency) / Number of poles
In this case, the frequency is 50 Hz. However, the number of poles is not given in the question. The number of poles refers to the number of magnetic poles on the rotor of the motor. It can vary depending on the motor's design.

If the number of poles is given, you can substitute it into the formula to find the speed of the motor in revolutions per minute. For example, if the motor has two poles, the formula would be:
Speed = (120 x 50) / 2 = 3000 revolutions per minute

However, since the number of poles is not provided in the question, it is not possible to determine the exact speed of the motor. The speed would depend on the specific motor design and the number of poles it has.

To know more about frequency refer to:

https://brainly.com/question/254161

#SPJ11

Answer:

Friction and gravity?

Explanation:

i dont know the possible answers but that's how physics so good luck.

The weight will be 80N.

Given :- Weak Gravitational field of moon relative to earth ,

F=1.6N

To find : Weight of a 50Kg mass on Moon .

Principle - Weight and mass although sounding same has different roles in Physics . Mass is the amount of matter that is utilized to build a material while talking about weight means its inclusive of an exertion of earth with the application of mass. Mathematically weight w= mg [Product of mass and gravity ]

Now in this question using basic unitary method we can resolve the ask of question. For example cost of one pen is 2rupee then cost of 2 pens is 4 rupees.

Reasoning- As per question , weight of 1 kg = 1.6N

so weight of 50Kg= 1.6 x 50⇒80N

Hence the amount of 80N equivalent weight is computed.

To understand more about weight -

https://brainly.com/question/28223901

#SPJ1

In Ørsted’s observation, the current-carrying wire acted like  option B)magnet

Michael Faraday based his first invention, the C) motor, on Ørsted s observation.

The two laws that relate electricity and magnetism the other being Faraday's law of induction were originally discovered as a result of rsted's discoveries. These two rules were incorporated into Maxwell's equations, which control electromagnetic.

Note that When a magnetic compass needle was brought in close proximity to a wire carrying current, Oersted noticed that it dramatically deflected. Since of this result, he came to the conclusion that a wire can function as a magnet because moving charges in the form of a current possess a certain magnetic field.

Learn more about Michael Faraday  from

https://brainly.com/question/2690584
#SPJ1

See correct question below

In Ørsted’s observation, the current-carrying wire acted like a

A)generator

B)magnet

C)motor

Michael Faraday based his first invention, the (______),on Ørsted s observation.

A)electromagnet

B)generator

C)motor

The weak force and the electromagnetic force are two fundamental forces in nature that have distinct characteristics. One notable contrast between them is their range of influence.

The weak force acts within the nucleus of an atom, specifically within protons and neutrons, and has a very short-range, limited to distances on the order of nuclear dimensions.

In contrast, the electromagnetic force has an infinite range, meaning it can act over long distances, reaching out to infinity.

Furthermore, the nature of the forces' interactions differs. The weak force is both attractive and repulsive, meaning it can either attract or repel particles depending on the circumstances.

On the other hand, the electromagnetic force is solely attractive, leading to the attraction of charged particles and the binding of electrons to atomic nuclei.

In summary, the weak force acts within protons and neutrons, with a limited range, and exhibits both attractive and repulsive behavior, while the electromagnetic force has an infinite range, acts between charged particles, and is exclusively attractive.

For more such questions on electromagnetic

https://brainly.com/question/24319848

#SPJ8

The equations mentioned by Emily in the valuation analysis for Aspeon are as follows:

1) Equation (1): This equation represents the value of equity (S) and calculates it based on the EBIT (earnings before interest and taxes), the tax shield provided by debt (D), and the required return on debt (kd) and equity (ks). It implies that the value of equity is equal to the adjusted EBIT after deducting the tax shield from debt.

2) Equation (2): This equation calculates the total enterprise value (V) by adding the value of equity (S) and debt (D). It represents the total worth of the company, considering both equity and debt.

3) Equation (3): This equation calculates the price per share (P) by dividing the total enterprise value (V) minus the initial debt (D0) by the number of shares (n0). It represents the price per share based on the valuation of the company.

4) Equation (4): This equation calculates the new number of shares (n1) by subtracting the dividend (D) from the initial number of shares (n0) divided by the price per share (P). It represents the adjusted number of shares after the payment of dividends.

5) Equation (5): This equation calculates the levered value (VL) by adding the unlevered value (VU) with the tax shield value (TD). It represents the value of the company after considering the tax advantages of debt.

These equations provide a framework for valuation analysis, considering factors such as earnings, taxes, debt, and equity. They help assess the value and financial implications of Aspeon's growth prospects.

To know more about  EBIT ,

https://brainly.com/question/31852554?referrer=searchResults

#SPJ11

The 8 ball's velocity equals 2 m/s if both balls have a mass of 0.12 kg and the cue ball's velocity is 4 m/s after the collision.

When the ball strikes the white ball, what will happen to its momentum?

Momentum will remain constant regardless of the impact type. This implies that the overall momentum of all colliding objects prior to the collision will match the total momentum following the collision.

How is momentum conservation used in the game of pool?

All of the balls' momentum, which is the sum of their mass and velocity, must be preserved upon each contact. To put it another way, the overall momentum before and after the contact must be equal.

To know more about collision visit:

brainly.com/question/4322828

#SPJ4

Answer:

Loam is 40% sand, 40% silt, and 20% clay

Explanation:

The cell cycle is a single instance of events that include growth, cell wall synthesis, and cell expansion. This is true.

The cell cycle is a series of events that occur in a cell leading to its division and duplication. It consists of two main stages: interphase and the mitotic phase.

During interphase, the cell grows and replicates its DNA in preparation for cell division. This stage can be further divided into three subphases: G1, S, and G2. During the G1 phase, the cell grows and synthesizes proteins necessary for DNA replication. The S phase is when DNA replication occurs, and the G2 phase is a period of growth and preparation for cell division.

Learn more about cell on

https://brainly.com/question/13920046

#SPJ4

The cell cycle is a single instance of events that include growth, cell wall synthesis, and cell expansion. True or false?

Answer:

In geometry, parallel lines are lines in a plane which do not meet; that is, two straight lines in a plane that do not intersect at any point are said to be parallel. Colloquially, curves that do not touch each other or intersect and keep a fixed minimum distance are said to be parallel.

In a series circuit, the current that flows through each of the components is the same, and the voltage across the circuit is the sum of the individual voltage drops across each component. ... In a series circuit, every device must function for the circuit to be complete.

In a series circuit, all components are connected end-to-end, forming a single path for current flow. In a parallel circuit, all components are connected across each other, forming exactly two sets of electrically common points.

Explanation:

I hope these helps^,^      ^_^

Two point charges of 2.00 μc and -2.00 μc are 0.100 m apart the electric field at the point midway between the two charges: 7.20 x 10⁵ N/C.

The electric field at the point midway between two point charges can be determined by calculating the electric fields produced by each charge and then summing them up as vectors.

In this case, we have two point charges, +2.00 μC and -2.00 μC, separated by a distance of 0.100 m. Since the charges have the same magnitude but opposite signs, the electric fields they produce at the midpoint will have equal magnitudes but point in opposite directions.

The electric field produced by a point charge is given by the equation: E = k × |q| / r²

where E is the electric field, k is the electrostatic constant, |q| is the magnitude of the charge, and r is the distance between the charge and the point where the field is being calculated.

For the midpoint, the distances from each charge are equal, i.e., r = 0.050 m. Therefore, the electric field produced by each charge is:

E₁ = k × |2.00 μC| / (0.050 m)²

E₂ = k × |-2.00 μC| / (0.050 m)²

Substituting the values and considering the opposite directions of the fields, we have: E = E₁ - E₂

Calculating the magnitudes and taking into account the values of k and the charges, we find:

E = (9.0 x 10⁹ N·m²/C²) × (2.00 μC) / (0.050 m)²

E ≈ 7.20 x 10⁵ N/C

Therefore, the electric field at the point midway between the two charges is approximately 7.20 x 10⁵ N/C.

To know more about electric field, refer here:

https://brainly.com/question/4440057#

#SPJ11

Answer:

Two

Explanation:

Volt = Current* Resistance

Current = Volt\Resistance

Answer:

The new volume is the same as the initial volume, i.e. 20 mL.

Explanation:

To find the new volume we can use the Ideal gas law:

\( PV = nRT \)

Where:

P: is the pressure

V: is the volume

R: is the gas constant

n: is the number of moles

T: is the temperature

Initially, we have:

\( \frac{P_{i}V_{i}}{T_{i}} = nR \)    (1)

In the final state:  

\( \frac{P_{f}V_{f}}{T_{f}} = nR \)    (2)

By equating equation (1) and (2) we have:          

\( \frac{P_{i}V_{i}}{T_{i}} = \frac{P_{f}V_{f}}{T_{f}} \)  

\( \frac{P_{i}V_{i}}{T_{i}} = \frac{2P_{i}V_{f}}{2T_{i}} \)  

\(V_{f} = \frac{2T_{i}*P_{i}*V_{i}}{T_{i}*2P_{i}}\)

\( V_{f} = V_{i} \)

\( V_{f} = 20.0 mL \)

Therefore, the new volume is the same as the initial volume, i.e. 20 mL.

I hope it helps you!

Answer:

To find the average distance of the numbers you provided (255cm, 242cm, 245cm), you can add all the numbers together and divide by the number of numbers in the set.

In this case, you would add 255cm + 242cm + 245cm = 742cm, and then divide by 3 (the number of numbers in the set) to get an average distance of 244cm.

You can also use this formula: (255 +242 + 245) /3 = 244

Answer:

C.endothermic

Explanation:

chemical reactions

Answer:

C

Explanation:

Answer:

The pencil will appear wider and bent

Explanation:

no explanation

Answer:

Near the black hole, The gravitational pull is so strong and the black hole has a lot of stress energy. This causes the clock to tick slower than usual and due to this , Time slows down to a great extent.

Answer:

B. A large number of atoms move from one place to another

Explanation:

Convection is heat transfer by the movement of atoms of a substance from one region to another across a temperature gradient. Since atoms of solids are rigidly held in place, convection only occurs in liquids and gases since they flow.

Convection occurs when the temperature of one region of a fluid (liquid or gas) is higher than its other region. There is thus a mass movement of atoms from one region to the other due to a temperature difference. The atoms will continue to move to the region of lower temperature until the temperature of both regions are the same at an equilibrium temperature.

IM SORRY IF ITS WRŌÑG BUT I HOPE IT HELPS

Answer:

Determine the total capacitance between points A and B in the figure below. C =104F C = 5uF C=20uF MAE ce Select the best answer: 2.84uF 2.80uF O 2.90pF 2.86F

Explanation:

hoped it help cutie if u need more help js ask meh

Answer:

0 degrees latitude

Explanation:

At 0 degrees latitude, the Equator is an invisible line that circles the Earth's center.