what initial mass of uranium would have to undergo fission to supply the electrical needs of sich a house for a year

Answer:

sports are not that simular they are just diferrent ok bud

Explanation:

Answer:

if you chose boxing..

Explanation:

Boxing is similar to any one-on-one sport where opponents go head to head. I think it’s like wrestling, karate, and mixed martial arts. The sports are similar in that they require one opponent to overtake another. They are different in how that is accomplished. For example, karate and mixed martial arts are about striking. But wrestling is about putting someone in a hold without hitting them. Boxing and wrestling have been around for a long time. I think karate has too.

Answer:3 atoms

Explanation:

each molecule of water contains 2 H and 1 O atom = 3 atoms, so there are approximately 1.8 x 10^24 atoms in a mole of water.

The number of atoms that exists in one mole of water (H₂O) is 1.8 x 10²⁴.

The atom is the smallest unit of matter that may be broken into smaller pieces without generating electrically charged particles. Furthermore, it is the tiniest substance with properties like chemical elements. Consequently, the atom is the fundamental unit of chemistry.

Vacuum space constitutes the majority of an atom. The remaining component consists of a positively charged nucleus consisting of protons and neutrons around a negatively charged electron cloud.

Given:

The mole of water, \(m = 1 mole\)

One mole of water contains 6.02 x 10²³  molecules of water.

But each molecule of water has 2 Hydrogen and 1 Oxygen atom.

In H₂O, there are 2 + 1 = 3 atoms.

Thus, there are 3 x 6.02 x 10²³ atoms in 1 mole of water, which is equal to 1.8 x 10²⁴ atoms.

Therefore, the number of atoms present in one mole of  H₂O is 1.8 x 10²⁴.

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Answer:

melanie ran 8.3 meters per second

Explanation:

I think thats right, hope it helps.

Answer:

The angular speed of the wheel is 0.452 rad/s

Explanation:

The angle through which the car wheel turns, Δθ = 277° = 277/360 × 2·π radian

The time it takes for the car wheel to turn, Δt = 10.7 s

The angular speed, ω is given by the following equation;

\(Angular \ speed = \dfrac{Change \ in \ angular \ rotation }{Change \ in \ time} = \dfrac{\Delta \theta}{\Delta t}\)

Substituting the known values for Δθ and Δt gives;

\(Angular \ speed = \dfrac{\dfrac{277 ^{\circ}}{360 ^{\circ } } \times 2 \times \pi \ radian}{10.7 \ seconds} \approx 0.452 \ rad/s\)

The angular speed of the wheel = 0.452 rad/s

As an AI language model, I don't have real-time access to current news or the ability to browse the internet. My training data only goes up until September 2021, so I cannot provide you with the most up-to-date information on stories that humorists are currently drawing cartoons about.

However, I can give you a general idea of the types of stories that often attract the attention of humorists and inspire them to create cartoons. Please note that these examples may not be specific to the current news cycle:

Political figures: Humorists often create cartoons about politicians and their actions, speeches, or scandals.

Social issues: Topics like climate change, inequality, or social movements can be a source of inspiration for satirical cartoons.

Pop culture: Current trends, celebrities, or popular events often serve as material for humorists to create cartoons that capture the zeitgeist.

Technology and internet culture: The impact of technology, social media, and the internet on society can provide humorous fodder for cartoonists.

Global events: Major international news, such as elections, conflicts, or diplomatic incidents, may be satirized in cartoons.

Sports: Significant sporting events or controversies in the sports world can be the subject of humorous cartoons.

To stay up to date with the latest news and the cartoons being produced, I recommend checking out news websites, satirical publications, or following humorists and cartoonists on social media platforms.

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The magnitude of the torque produced by force F is 1.10 N*m, and the direction of the torque is -49.0 degrees below the positive x-axis (clockwise direction).

The problem requires the calculation of the torque produced by a force acting on a machine. To do so, we need to calculate the cross product of the force and the vector from the origin where the force is applied. The magnitude of the torque is the product of the magnitudes of the force and the lever arm (the perpendicular distance from the origin to the line of action of the force). The direction of the torque is determined by the right-hand rule, which states that the direction of the torque is perpendicular to both the force and the lever arm, and follows the right-hand rule. In this case, the torque is in the clockwise direction, or -49.0 degrees below the positive x-axis.

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Answer:

c. Y

Explanation:

Newton's third law of motion states that action and reaction are equal and opposite. Hence for every action, there is an equal and opposite reaction.

Considering the system of forces shown in the image, W and Y are  opposite forces. When the driver slams on the brakes, he will be pushed forward towards the windscreen. The force Y exerted by the seat belt keeps him on the drivers seat by moving him backwards towards the seat.

The 6uF capacitor can store more charge per unit of a potential difference than the 12uF capacitor, which means it can store more energy for the same charging voltage.

To ensure that the 6uF capacitor has a greater amount of stored energy than the 12uF capacitor when they are charged from a constant potential source, we need to connect them in parallel.

When capacitors are connected in parallel, the total capacitance is the sum of the individual capacitances. In this case, the total capacitance is 12uF + 6uF = 18uF.

When the capacitors are charged from a constant potential source, they will store energy in proportion to their capacitances. The energy stored in a capacitor is given by the formula:

E = (1/2)CV^2

where E is the energy stored, C is the capacitance, and V is the potential difference across the capacitor.

Since the potential difference across the two capacitors is the same in parallel, the ratio of their stored energies will be proportional to their individual capacitances. Therefore, the 6uF capacitor will have a greater amount of stored energy than the 12uF capacitor when they are connected in parallel and charged from a constant potential source.

To understand why we can think of capacitance as a measure of how much charge a capacitor can store per unit of potential difference. A capacitor with a higher capacitance can store more charge for a given potential difference, and therefore more energy.

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Answer:

Explanation: O B. Diffraction

Answer:

Rounded down to 2 digits, 0.10 grams.

Explanation:

6.77 - 3.37 = 3.4

3.4 / 35 = 0.09714285

The mass of one match in grams will be 0.097 g

The unitary method is a technique for solving a problem by first finding the value of  a single unit and then finding the necessary value by multiplying the single unit value,

mass of 35 matches = mass of box full of matches - mass of box itself

mass of 35 matches = 6.77 g - 3.37 g

                                  = 3.4 g

using unitary method , we can write

if 35 matches can have a mass of = 3.4 g

1 match can have a mass of =  3.4/35 g

                                                 = 0.097 g

The mass of one match in grams will be 0.097 g

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Answer:

carpet

Explanation:

Diffuse reflection is the reflection of light from a surface such that an incident ray is reflected at many angles rather than at just one angle as in the case of specular reflection.

The structure of carpet's surface is as shown. Thus it shows large amount of diffuse reflection.

Answer:

the answer is  b

Explanation:

The particles in the cold water moved at a slow rate until an increase in temperature caused an increase in particle motion in the hot tea.

According to the kinetic theory of matter, the particles that compose matter are in constant random motion. The particles collide frequently with each other as well as with the walls of the container.

The temperature of the system refers to the average kinetic energy of the molecules of the body. At a lower temperature, the speed of the particles of water is slow. As the temperature increases, more kinetic energy is imparted to the molecules of water and they move faster.

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Based on the force exerted on the two objects, the potential energy equation is determined.The cannon ball was thus 35.7 meters high.

Based on the force exerted on the two objects, the potential energy equation is determined.P.E. = mgh, where m is the mass in kilograms, g is the acceleration caused by gravity (9.8 m/s2 at the earth's surface), and h is the height in meters, is the formula for gravitational force.

A cannon ball weighs 40 kg and has a potential energy of 14000 J, according to the information provided.

We must ascertain its height.

We'll apply the formula.

P.E = mgh

h thus equals P.E./mg.

P.E. stands for potential energy.

kg is mass, and

Gravitational acceleration (g) (9.8 m/s2)

h is the displacement of the object's height in meters.

h = P.E. / mg

h = 14000 / 40 × 9.8

h = 14000 / 392

h = 35.7

The cannon ball was thus 35.7 meters high.

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With a coil of wire having 80 turns, a cross-sectional area of 0.04 m^2, and a magnetic field of 0.6 T passing through the coil, the total magnetic flux passing through the coil is 153.6 Tesla·meter squared·turns.

To calculate the total magnetic flux passing through the coil, we can use the formula:

Magnetic Flux (Φ) = Magnetic Field (B) * Area (A) * Number of Turns (N)

Given:

Number of turns (N) = 80 turns

Cross-sectional area (A) = 0.04 m^2

Magnetic field (B) = 0.6 T

Plugging in the values:

Magnetic Flux = 0.6 T * 0.04 m^2 * 80 turns

Simplifying the equation:

Magnetic Flux = 1.92 T·m^2 * 80 turns

Magnetic Flux = 153.6 T·m^2·turns

Therefore, the total magnetic flux passing through the coil is 153.6 Tesla·meter squared·turns.

Overall, with a coil of wire having 80 turns, a cross-sectional area of 0.04 m^2, and a magnetic field of 0.6 T passing through the coil, the total magnetic flux passing through the coil is 153.6 Tesla·meter squared·turns.

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Answer:

Work is ability if application of energy.

Such as pushing a wheel barrow through a distance ( Newton's third law )

Work is the ability to do something.

The escape speed from Planet X is 14000 m/s. Planet Y has the sameradius as Planet X but is twice as dense. The escape speed from Planet Y is also 14000 m/s.

The escape speed of a planet is the minimum speed an object needs to escape the gravitational pull of that planet and move away indefinitely. It depends on the mass and radius of the planet.

In this scenario, Planet Y has the same radius as Planet X but is twice as dense.

Density is defined as mass divided by volume, so if Planet Y is twice as dense as Planet X, it means it has twice the mass within the same volume.

The escape speed is determined solely by the mass and radius of the planet, not its density.

Planet Y has the same radius as Planet X, the gravitational pull at the surface of both planets is the same.

The escape speed from Planet Y would also be the same as that of Planet X, which is 14000 m/s.

Therefore, the escape speed from Planet Y is also 14000 m/s, regardless of its increased density compared to Planet X.

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Arc distance is a function of the potential difference between the negatively charged object and other bodies.

The discharge of electrons from a negatively charged object can produce an arc that bridges the gap between the charged object and other bodies.

The distance of this arc is directly related to the potential difference between the negatively charged object and the other bodies.

The greater the potential difference, the greater the likelihood of an arc discharge occurring, and the greater the distance the arc will bridge.

This phenomenon is commonly observed in electrical equipment and is a major concern in the design of high-voltage systems.

Understanding the relationship between potential difference and arc distance is critical for ensuring the safe and reliable operation of electrical systems.

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Answer: Reflecting telescopes focus light with a series of mirrors, while refracting telescopes use lenses.

Explanation:

The poison was most likely found was B)arsenic

What is poisioning?

Poisoning is defined as harm or death brought on by ingesting, inhaling, touching, injecting, or ingesting different medications, chemicals, venoms, or gases. Many chemicals, including pharmaceuticals and carbon monoxide, become dangerous only when they are consumed in large quantities. While some cleaners only cause harm when consumed, others also release hazardous vapors or fumes.

When large doses of arsenic are ingested or inhaled, arsenic poisoning, also known as arsenicosis, occurs. Gray, silver, or white in hue, arsenic is a form of carcinogen. For humans, arsenic is exceedingly dangerous. Because it has no taste or odor, arsenic is particularly hazardous because you can be exposed to it covertly. After death, the toxin leaves residues on the body.

Hence the poison was most likely found was B)arsenic

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Install kinetic tiles in high-traffic areas like sidewalks and transportation hubs to generate electricity from foot traffic, powering streetlights and charging stations to reduce dependence on fossil fuels.

Fossil fuels are non-renewable resources that are formed over millions of years from the remains of dead organisms. The three main types of fossil fuels are coal, oil, and natural gas, which are extracted from the ground and burned to generate energy. Fossil fuels have been the primary source of energy for human civilization, but their use contributes to environmental problems such as air pollution, climate change, and ocean acidification. The combustion of fossil fuels releases carbon dioxide and other greenhouse gases into the atmosphere, which trap heat and contribute to global warming. To mitigate the negative effects of fossil fuels, efforts are being made to transition to cleaner and more sustainable sources of energy, such as solar, wind, and hydroelectric power. Renewable energy sources can help reduce dependence on fossil fuels and mitigate the environmental impact of energy generation.

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Solution :

Crust

In the field of geology, the crust may be defined as the outermost solid shell of a planet. It forms the topmost outer hard layer of the earth surface. Earth has three layers. They are the crust, mantle and the core.

When we go deeper and deeper inside the earth's crust, the temperature rise. In the crust, on the surface of the earth, the temperature is normal and is atmospheric. As we go deep down the core, the temperature rise and it is highest at the core where all the rock and the iron is in the form of the molten lava.

According to the Geologist, beneath the earth's crust, for every mile we go inside the temperature rises by 15 degree Fahrenheit.

Answer:

it's false coz

Speed is a scalar quantity.

The Castigliano's second theorem is used to determine the deflection of a statically determinate structure in any given direction due to the application of an external force.

The Castigliano's second theorem is used to determine the deflection of a statically determinate structure in any given direction due to the application of an external force. It is used to find the partial derivative of the internal strain energy with respect to the degree of freedom in the force direction, and this derivative is proportional to the force's displacement.

The following are some examples of problems of frames of 2 elements to solve by the method of Castigliano's second theorem:
Example 1:A frame with two members is shown below. To solve for the deflection in the x direction at point A, the Castigliano's second theorem is used.
example 2:To calculate the displacement of point B in the x-direction, a frame with two bars can be examined. The frame is loaded by a point load P acting downward at point A. Calculate the displacement of point B in the x-direction.
Example 3:In the following frame, determine the rotation of joint A caused by the 10 kN force.
All of these problems are examples of 2 element frame structures that can be solved using Castigliano's second theorem.

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Answer: The energy to move the fluid is provided by the pressure on the fluid surface.

Explanation:  The frictional losses in the suction pipework and rises in the suction pipework system will reduce the fluid pressure at the pump inlet. If the pump inlet connection is removed the fluid will not flow out of the suction pipework. Hope this helps! :)

The motion of an object that is due to only gravity is a falling free fall motion

The values of the motion of the rocks are;

The reason the above values are correct are as follows;

The known parameters are;

The height from which the two students throw the rock, h₀ = 29.4 m

Direction and speed with which one throws the rock, u₁ = 4.9 m/s, downwards

Direction and speed with which the second throws the rock, u₂ = 4.9 m/s, upwards

Required:

(a) The difference in the time each rock spends in the air;

Solution:

The kinematic equation for distance travelled, s, is given as follows;

\(h = h_0 + u\cdot t - \dfrac{1}{2} \cdot g \cdot t^2\)

When the rock reaches the ground, h = 0, we get:

For the rock thrown downwards

\(0 = 29.4 - 4.9\cdot t - \dfrac{1}{2} \times 9.8 \times t^2\)

0 = 29.4 - 4.9·t - 4.9·t²

0 = 4.9×(6 - t - t²) = -4.9×(t² + t - 6)  = -4.9×((t + 3)·(t - 2))

Therefore, t₁ = -3, or 2

Therefore, the time it takes the rock to land is 2 seconds

For the rock thrown upwards

\(0 = 29.4 + 4.9\cdot t - \dfrac{1}{2} \times 9.8 \times t^2\)

0 = 29.4 + 4.9·t - 4.9·t²

0 = 4.9×(6 + t - t²) = -4.9×(t² - t - 6)  = -4.9×((t - 3)·(t + 2))

Therefore, t₂ = 3, or -2

Therefore, the time it takes the rock to land is 3 seconds

The difference in the time the rocks spends in the air, is t₂ - t₁

t₂ - t₁ = 3 - 2 = 1 seconds

The difference in the time the rocks spends in the air, is 1 second

b) To calculate the velocity of each rock as it strikes the ground

Solution:

Taking downward motion as positive, we have;

v = u + g·t

For the rock thrown downwards

v₁ = 4.9 + 9.8×2 = 24.5

The velocity of each rock as it strikes the ground, v₁ = 24.5 m/s

For the rock thrown upwards

v₂ = -4.9 + 9.8×3 = 24.5

The velocity of each rock as it strikes the ground, v₂ = 24.5 m/s

c) The distance between the rocks 0.5 seconds after they are thrown

Solution:

The location of the rock thrown downwards 0.5 second after it is thrown is given as follows;

\(s_{(1, \, 0.5)} = 29.4 - 4.9\times 0.5 - \dfrac{1}{2} \times 9.8 \times 0.5^2 = 25.725\)

The rock thrown downwards is 25.725 m above the ground, 0.5 seconds after it is thrown

The location of the rock thrown upwards 0.5 second after it is thrown is given as follows;

\(s_{(2, \, 0.5)} = 29.4 + 4.9\times 0.5 - \dfrac{1}{2} \times 9.8 \times 0.5^2 = 30.625\)

The rock thrown upwards is 30.625 m above the ground, 0.5 seconds after it is thrown

The distance between the rocks is \(s_{(2, \, 0.5)} - s_{(1, \, 0.5)} =30.625 - 25.725 = 4.9\)

Therefore, the distance between the rocks 0.5 seconds after they are thrown is 4.9 meters

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The number of variations the dealership have is 40 cars.

Data given;

This is the total numbers of cars available in the dealer shop at the moment.

To get that, we simply multiply the numbers of colors available, the number of transmission and the makes of car available.

This is equal to

\(4*2*5=40\)

From the above calculation, we can say that the variations the dealership offers is 40

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A

for an object to sink the weight of the object should be greter than the buoyant force

Answer:

Explanation:

The distance covered by an object given it's speed and time taken can be found by using the formula

distance = speed × time

From the question we have

distance = 7.5 × 98 = 735 m

We have the final answer as

Hope this helps you