Vitellium (Vi) has the following composition:
Vi–188: 187.9122 amu; 10.861%
Vi–191: 190.9047 amu; 12.428%
Vi–193: 192.8938 amu; 76.711%
Based on this data, what can you predict about the average atomic mass of vitellium?

A . It will be equal to the arithmetic mean of the masses of the three isotopes.

B . It will be closer to the mass of Vi–188.

C It will be closer to the mass of Vi–193.

D . It will be equal to the mass of Vi–193.

The efficiency of the Carnot engine is calculated by the formula efficiency, η = 1 - (T₂ / T₁). The efficiency of the Carnot engine η = 30% with low-temperature T₁= 320 k and high-temperature T₂ = 457K.

The Carnot engine is a theoretical model of the thermodynamic cycle proposed by Leonard Carnot. Carnot's theorem states that an engine works between a hot and cold reservoir can have more efficiency than an engine that works between the same reservoirs. The efficiency of Carnot's engine is, η = 1 ₋ (T₂ /T₁ ), T₂ represents high temperature and T₁ represents low temperature. η represents efficiency.

From the given,

η = 1 ₋ (T₂ /T₁ )

T₁ = T₂ / (1 ₋η) = 320 / (1₋0.30)

T₁ = 427 K.

Thus, T₁ is 427K and T₂ is 320 K giving an efficiency of 30%.

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Answer:

The velocity of the bullet is 380 m/s

Explanation:

The given parameters are;

The mass of the 9 mm bullet fired = 0.007 kg

The measure of the momentum the bullet has = 2.66 kg·m/s

The equation for linear momentum is given as follows;

The linear momentum of an object = The mass of the object × The velocity of the object

∴ The velocity of the object = The linear momentum of an object/(The mass of the object)

The velocity of the bullet = The linear momentum of an bullet/(The mass of the bullet)

The velocity of the bullet = 2.66 kg·m/s/(0.007 kg) = 380 m/s

The velocity of the bullet = 380 m/s.

A simple way to measure your fluid balance is to look at the color of your urine. If your urine is dark and has a strong odor, you are definitely dehydrated and need to increase your water intake. If your urine is completely clear, you probably drank too much.

It usually takes about two hours for the body to fully rehydrate after drinking a significant amount of water. Water is best because you need to stay hydrated. Sports drinks like Gatorade can help athletes who need to replenish their electrolytes.

Research shows that milk is one of the best drinks for hydration better than water and sports drinks. Researchers attribute its effectiveness to milk's natural electrolytes carbohydrates and proteins. can take as little as 5-15 minutes. However, if you are dehydrated with an empty bladder it can take up to 8-9 hours before you need to urinate.

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The current through the 9-Ohm resistor can be calculated using Ohm's Law and the principles of series and parallel resistors.

To determine the current through the 9-Ohm resistor, we need to analyze the circuit configuration and apply the appropriate principles.  assuming the resistors are connected in a series or parallel configuration, we can use the following steps to calculate the current through the 9-Ohm resistor:

Determine the equivalent resistance (Req) of the circuit. If the resistors are connected in series, the equivalent resistance is the sum of all the resistors. If they are connected in parallel, the reciprocal of the equivalent resistance is equal to the sum of the reciprocals of the individual resistances.

Apply Ohm's Law (V = I * R) using the battery voltage (8 V) and the equivalent resistance (Req) to find the total current (I) flowing in the circuit.

If the 9-Ohm resistor is part of the series or parallel configuration, the current flowing through it will be the same as the total current (I) obtained in step 2.

By following these steps, you can determine the closest value for the current flowing through the 9-Ohm resistor in the given circuit.

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Answer:

b the answer is b

Explanation:

b is the awnser because it cools after the heat on the water witch lets the steam out

The heat energy given off from the system can be determined using calorimetric equation. The heat energy released when 50 Kg water cooled from 75 to 25 degree Celsius is - 1.05 × 10⁵ J.

Calorimetry is an analytical techniques used to determine the heat energy evolved or absorbed by a substance. The specific heat capacity of a substance is the amount of heat energy required to raise the temperature by one degree Celsius per one gram of it. The specific heat of water is 4.18 J/ g °C .

The calorimetric equation relating the heat energy q with the mass of m, specific heat capacity c and temperature difference ΔT is given by,

q = m c ΔT.

Given that mass of water here is 50 Kg or 50000 g. The temperature difference is 50°C.  c for water is 4.18 J/ g °C. Thus, heat energy evolved by cooling is calculated as follows:

q = 50000 g ×  4.18 J/ g °C ×   50°C

  = - 1.05 × 10⁵ J.

The negative sign indicate that heat is released by the system.

Therefore, the heat give off by the cooling of water is - 1.05 × 10⁵ J.

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The difference in the pressure between the inside and outside will be 369.36 N/m²

The force applied perpendicular to the surface of an item per unit area across which that force is spread is known as pressure.

It is denoted by P. The pressure relative to the ambient pressure is known as gauge pressure.

The given data in the problem is;

dP is the change in the presure=?

Using Bernoulli's Theorem;

\(\rm \rho\frac{V^2_{12}}{2} +P_1= \rho \frac{V^2_{22}}{2} +P_2 \\\\\ P_2-P_1=\rho \frac{v_2^2-v_1^2}{2} \\\\ P_2-P_1= 1.21 \times \frac{17.4^2-0}{2} \\\\ \triangle p=369.36 \ N/m^2\)

Hence, the difference in the pressure between the inside and outside will be 369.36 N/m²

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Answer: 195.2802 → 195 for Acellus

Explanation: 0.5*1.29*17.4^2

Answer:

8

Explanation:

Answer:

1/3 kg

Explanation:

Concepts

The formula p = mv tells us that momentum is mass times velocity. We can easily rearrange this equation to solve for m by dividing both sides by v:

Application

We are asked to find the mass of a beach ball, given the velocity as 9 m/s and the momentum as 3 kg · m/s. We can use the formula m = v/p to find the mass of the ball in kilograms.

Solution

Answer:

that's really hard to answer since we are not you know in the furtue but one could

Answer:  P = VI

Explanation:

Answer:

2.0 m/s

Explanation:

i found it on quizlet

Rate the effectiveness of four different shears on a scale of 1 to 10 for each category. Reber thinks that the shear should be bought.

Flexibility is the term used to describe a joint's or a collection of joints and muscles' ability to move through a range of motion efficiently painlessly.

Flexibility is the capacity to swiftly and collectedly adapt to brief change, enabling you to successfully handle unforeseen issues or duties. Here are some instances of what you could do: Offer to help another team member if you see them to be overworked.

Flexibility in the workplace refers to the capacity to quickly adjust to novel situations as they emerge. A flexible worker can alter their plans to deal with or get around unexpected challenges.

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Answer:

It is D.

Explanation:

Sound travels by the movement of particles bumping against each other and if there is no particles in a vacuum(space) then there is no sound. Light can travel through space because it doesn't need to travel by/through particles.

The velocity of the second piece of the firecracker of mass 5.00kg as a result of explosion is 37.5 m/s.

Velocity can be defined as the rate of change of displacement of a body.

To calculate the velocity of the second piece, we use the formula below.

Formula:

Where:

Make v the subeject of the equation

From the question,

Given:

Substitute these values into equation 2

Hence, the velocity of the second piece is 37.5 m/s.

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To answer the given questions, let's consider each part separately:

Part (a) - Magnitude of Impulse (I):

The magnitude of impulse is equal to the change in momentum of the golf ball during the bounce. We can calculate it using the formula:

I = m * Δv

Where:

m = mass of the golf ball = 0.1285 kg

Δv = change in velocity of the golf ball during the bounce

Since the ball is dropped and then reaches a height of 2.12 m, we can find the change in velocity using the equation for gravitational potential energy:

m * g * (h2 - h) = (1/2) * m * Δv^2

Where:

g = acceleration due to gravity = 9.8 m/s^2

h = initial height = 3.2 m

h2 = final height = 2.12 m

Rearranging the equation and solving for Δv, we get:

Δv = √((2 * g * (h2 - h))

Plugging in the values:

Δv = √((2 * 9.8 * (2.12 - 3.2)) = √(-2 * 9.8 * (-1.08)) ≈ 4.019 m/s

Now, we can calculate the impulse:

I = m * Δv = 0.1285 kg * 4.019 m/s ≈ 0.5168 kg·m/s

Therefore, the magnitude of the impulse experienced by the golf ball during the bounce is approximately 0.5168 kg·m/s.

Part (b) - Magnitude of Constant Force (F):

The magnitude of the constant force acting on the golf ball during the contact with the ground can be calculated using the impulse-momentum relationship:

I = F * Δt

Where:

I = magnitude of impulse = 0.5168 kg·m/s

Δt = time of contact with the ground = 0.072 s

Rearranging the equation and solving for F, we get:

F = I / Δt = 0.5168 kg·m/s / 0.072 s ≈ 7.18 N

Therefore, the magnitude of the constant force acting on the golf ball during the contact with the ground is approximately 7.18 N.

Part (c) - Energy Transfer:

The energy transferred to the environment during the bounce can be calculated using the work-energy principle. The work done by the constant force (F) during the bounce is equal to the change in kinetic energy:

Work = ΔKE

The change in kinetic energy is given by:

ΔKE = (1/2) * m * Δv^2

Substituting the values:

ΔKE = (1/2) * 0.1285 kg * (4.019 m/s)^2 ≈ 0.413 J

Therefore, the golf ball transferred approximately 0.413 Joules of energy to the environment during the bounce.

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Harlow Shapley assumed that the faraway globular clusters have the same average size as nearby globular clusters.

Shapley used the period-luminosity relationship of Cepheid variable stars to determine the distances to globular clusters in the Milky Way. He made a basic assumption that distant globular clusters have the same average size as nearby globular clusters. However, with the 100-inch telescope, he could not resolve variable stars in the more distant globular clusters. Therefore, he made the basic assumption that the faraway globular clusters have the same average size as nearby globular clusters. This allowed him to use the period-luminosity relationship to estimate their distances and to map the overall structure of the Milky Way galaxy.

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the velocity of the sphere immediately after hitting the block is 3.43 m/s. The velocity of the sphere immediately after hitting the block can be found using conservation of energy.

The initial potential energy of the sphere is mgh, where m is the mass of the sphere, g is the acceleration due to gravity, and h is the initial height of the sphere. When the sphere hits the block, some of its potential energy is converted to kinetic energy, and the rest is absorbed by the block. The kinetic energy of the sphere just after hitting the block is (1/2)mv^2, where v is the velocity of the sphere. The final potential energy of the sphere is mgh', where h' is the height the sphere reaches on the other side.

Therefore, using conservation of energy:

mgh = (1/2)mv^2 + mgh'

Solving for v, we get:

v = sqrt(2gh - 2gh')

Substituting the given values, we get:

v = sqrt(2 * 9.81 m/s^2 * (1 m - 0.4 m - 1.2 m))

Simplifying, we get:

v = sqrt(2 * 9.81 m/s^2 * (-0.6 m))

v = 3.43 m/s

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Answer:

DO rinse your eye with saline solution or clean water. ...

DO blink. ...

DO pull your upper eyelid over your lower eyelid. ...

DO wear sunglasses. ...

DON'T rub your eye. ...

DON'T touch your eye with anything. ...

DON'T wear your contact lenses. ...

DON'T use redness-relieving eye drops.

The magnitude of the force a 1.5 x \(10^6\) C charge exerts on a 3.2 x \(10^4\)C charge located 1.5 m away is approximately 1.152 Newtons.

The magnitude of the force between two charges can be calculated using Coulomb's Law. Coulomb's Law states that the force between two charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them.

Let's denote the first charge as Q₁ = 1.5 x \(10^{6}\) C and the second charge as Q₂ = 3.2 x \(10^{4}\) C. The distance between them is r = 1.5 m.

Applying Coulomb's Law, the equation becomes:

F = k * (Q₁ * Q₂) / r²

where k is the electrostatic constant, approximately equal to 9 x \(10^{9}\) N \(m^{2}/C^{2}\).

Substituting the given values into the equation, we have:

F =\((9 * 10^9 N m^2/C^2) * [(1.5 * 10^6 C) * (3.2 * 10^4 C)] / (1.5 m)^2\)

Simplifying this expression yields:

F ≈ 1.152 N

Therefore, the magnitude of the force between the two charges is approximately 1.152 Newtons.

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1. The data shows that amplitude, period, and tension all affect the speed of a wave. As amplitude and tension increase, the speed of the wave increases, while an increase in period results in a decrease in speed.

What is an amplitude?

Amplitude is the maximum displacement or distance moved by a wave from its resting position. In other words, it is the magnitude of the oscillation in a wave, or the height of a wave from its equilibrium position. In general, the greater the amplitude of a wave, the more energy it carries. In the context of sound waves, amplitude is associated with the loudness of the sound, while in the context of electromagnetic waves (such as light), it is associated with the brightness or intensity of the light.

2. The frequency of a wave has a direct relationship with the wave speed. As the frequency of a wave increases, the speed of the wave also increases.

3. Wave speed decreases as it moves from a medium of low density to one of high density. This is because a denser medium causes more resistance to the wave, resulting in a slower wave speed.

4. If the instrument is initially flat, the player should tighten the string. This is because tightening the string increases the tension, which in turn increases the speed of the wave, resulting in a higher pitch.

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The magnetic field is the area around a magnet in which there is magnetic force. Moving electric charges can make magnetic fields.

we are able to make this magnetic field more potent by using growing the quantity of electrical cutting-edge going thru the twine or we are able to grow the variety

A magnetic area is a vector field that describes the magnetic affect on shifting electric costs, electric-powered currents, and magnetic materials. A shifting charge in a magnetic area reviews a force perpendicular to its very own velocity and to the magnetic field.

The force is perpendicular to each the velocity v of the price q and the magnetic field B. 2. The significance of the force is F = qvB sinθ where θ is the angle < a hundred and eighty levels among the rate and the magnetic field.

Examples of magnetic force is a compass, a motor, the magnets that maintain stuff at the fridge, teach tracks, and new roller coasters. All transferring expenses supply upward thrust to a magnetic subject and the charges that flow through its regions, revel in a force

This discipline is shaped via the magnetic strains of pressure which run from the north pole to the south pole. these traces can be located to be most crowded at the 2 ends of the magnet which might be the poles i.e the north pole and the south pole.

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Answer:

red giant stars/ red hyper giants

Explanation:

take stephenson 2-18 for example the star is only 3200k where the sun is around 5000k.

Answer:

F = 592238.09 N

Explanation:

To find the mean force you first calculate the acceleration by using the following kinematic equation:

\(v^2=v_o^2+2ax\\\\v_o=0m/s\\\\v=10km/h\\\\x=8.4m\\\\\)

you do "a" the subject of the equation and replace the values of the other parameters:

\(a=\frac{v^2}{2x}=\frac{10000m/s}{2(8.4m)}=595.23\frac{m}{s^2}\)

next, the force, by using the second Newton law is:

\(F=ma=(1000kg)(595.23\frac{m}{s^2})=595238.09\ N\)

hence, the force is 592238.09 N

- - - - - - - - - - - - - - - - - - - - - - - - - - -

TRANSLATION:

Para encontrar a força média, primeiro calcule a aceleração usando a seguinte equação cinemática:

você faz "a" o assunto da equação e substitui os valores dos outros parâmetros:

Em seguida, a força, usando a segunda lei de Newton, é:

portanto, a força é 592238.09 N

Answer:

Digesting a salad

Explanation:

All the other ones are physical changes because you're changing its form but not its chemical identity and not changing the substance. Digesting a salad is a chemical change because you're both changing its form AND its chemical identity

Answer:

Family

1. Definition of a family

A family is a group of people living together in a home related by blood, marriage or adoption.

2. Two function of the family are;

3. Two types of family are;

4. Two roles and responsibilities of the parents and children in the home are;

Accident in the Home

1. Definition of accident in the home

accidents in the home are common to persons of all ages, therefore home accidents occurs in one's home that may cause an result an injury of a person

2. Two types of accident in the home

3. The two uses of cereals in cooking

Cereals in cooking are used as thickened agents.

4. complete table

1. minor cuts and wounds

2. Poisoning

Care labels

1. definition of care label

care labels can be defined as a permanent label or we can say a tag, which contains regular instructions that is attached at the back of a cloth.

3. two classification of carbohydrates

Answer:

I would say tunnel vision cause your only using one eye and if your looking through a tiny space your vision gets blury

Explanation:

The **value** of the current in the given resistive circuit with a 20V battery on the left side, a 10V battery on the right side, and a 10Ω resistor will be **1 Amp**. The **conventional direction** of the current will be **from left to right**.

To determine the current in the circuit, we can use Ohm's Law, which states that the current (I) flowing through a resistor is equal to the voltage (V) across the resistor divided by the resistance (R). In this case, the total voltage is 20V - 10V = 10V, and the resistance is 10Ω. Thus, the current is 10V / 10Ω = 1 Amp.

The conventional direction of current is defined as the direction of positive charge flow. In this case, since the positive voltage is on the upside for both batteries, the current will flow from the higher potential (20V) to the lower potential (10V), which corresponds to a left-to-right direction. Therefore, the current in the circuit will be 1 Amp flowing from left to right.

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