With a complete combustion or fission, approx. 8 kWh of heat can be generated from 1 kg of coal, approx. 12 kWh from 1 kg of mineral oil and around 24,000,000 kWh from 1 kg of uranium-235. The city of East Lansing used 12187913E6 BTUs in 2012 The average usage in a Michigan household used 123E6 Btu of energy year. How much coal would you need to power the average house for a year?
How much oil would you need to power the average house for a year?
How much uranium would you need to power the average house for a year?

Answer:

1. Police Weren't Able To Find Any Real Leads

2. They Didn't Find Any Clues To The Killer Until 18 Years Later

Explanation:

It was unknown at the time, but it would go on to take 18 years for her killer to be arrested and tried for her death. The initial case went on from 1995 to 1997 but ended up closing when the police department was unable to find any real leads.

Answer:
1.)the surface of the table is set into vibration
2.)the initial vibration was larger
3.)The entire table vibrates

Explanation:hope this helps :3 have a good day xlXCherryColaXlx..(pls mark me brainliest)

The frequency of displacement of a mass-spring-damper system under sinusoidal driving force is equal to the driving force frequency and in phase with it at steady state.

In a mass-spring-damper system driven by a sinusoidal force, the system will reach a steady-state where the amplitude of the displacement oscillations will remain constant. The frequency of this displacement will be equal to the frequency of the driving force.

Whether the frequency of displacement will be in phase with the driving force depends on the damping ratio of the system. If the damping ratio is zero (i.e. the system is undamped), the displacement frequency will be in phase with the driving force. However, if the system is damped, the displacement frequency will lag behind the driving force frequency.

This is because damping causes energy to be dissipated from the system, resulting in a reduction in the amplitude of the displacement oscillations. As a result, the displacement frequency will be slightly lower than the driving force frequency, and the displacement will lag behind the driving force. The amount of lag will depend on the damping ratio of the system.

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--The complete question is, In a mass-spring-damper system, a sinusoidal driving force is applied. At steady-state, what is the frequency of displacement of the system and will this frequency be in phase with the driving force? Provide an explanation for your answer--

Your answer would be Device A.

Answer:

Device A because it would use more voltage :D

Explanation:

Answer: 210 cm

Explanation:

Look up Thin Lens Equations Calculator- it helps!

Answer:free coins grinding up get rekts LOl

Explanation:

Explanation:

Using Second equation of motion (assuming u = 0), we get :

\(x = a {t}^{2} \)

\(t = \sqrt{ \frac{x}{a} } \)

Therefore, Option (B) is correct.

The speed of the wave on a string is given by Taylor's formula:

where

F = tension force

μ = linear density = mass per unit length

But also we can say the speed of any wave is given by:

where:

λ = wave length

f = frequency

Plug the second equation in the first one. We get:

Now solve for f:

Lets say wave length is the same on the second case. Since it's the same string μ will also be the same.

See that 340 N = 2 x 170, so we can write:

Answer:

yes

Explanation:

weight depends on the strength of gravity, so on a different planet, or on the moon for example, things would have a different weight but have the same mass.

Using the solar constant,  the rate at which the whole earth receives energy from the sun is 1.475×10²⁴ W.

The solar constant (GSC) is a measure of the flux density of the sun's electromagnetic radiation (gross solar radiation) averaged per unit area. It is measured on the surface perpendicular to the light rays, one astronomical unit (au) from the sun (approximately the distance from the sun to the earth).

The solar constant includes radiation across the electromagnetic spectrum. The satellite measured a solar minimum (the period of the 11-year solar cycle when the number of sunspots is lowest) at 1,361 kilowatts per square meter (kW/m2), or about 0. Add 1% (about 1362 kW/m2) to the solar maximum.

According to the Question:

I = Solar constant of the sun = 1362 W/m²

(Using satellite measurements, the value is 1.3608 ± 0.0005 kW/m², the error is due to the solar production not always being constant)

r = Radius of earth = 6371 km = 6371000 m (mean radius)

A = Area of earth = (4/3)×π×r³

  = (4/3)× π ×6371000³

  = 1.083×10²¹ m²

Therefore,

   P = I×A

⇒ P = 1362× 1.083 ×10²¹

⇒ P = 1.475× 10²⁴ W

∴ Rate at which the whole Earth receives energy from the Sun is 1.475×10²⁴ W.

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Answer:18/2

Explanation:

its half

Part A: To the right. Part B: Vmax = 1.3 m/s Part C: At x = 0.3 m.Part D: 1.0, 0.2. Part A:The particle will move to the right. This point is the point where the kinetic energy of the particle is maximum. The maximum kinetic energy is equal to the total energy at that point, which is 0.14 J.

If the particle is released from rest at x = 1.0 m in the potential energy diagram, the potential energy of the particle will be the highest. The particle will move from a higher potential energy state to a lower potential energy state; hence it will move towards the right.Part B:The particle's maximum speed can be found by using the principle of conservation of energy.Suppose the kinetic energy of the particle at the far right is K. The potential energy of the particle at the far right is zero. We can now write the energy equation as:K + 0 = mg(1.0 - 0.3)where, m = mass of the particle, g = gravitational acceleration, and 1.0 - 0.3 = displacement of the particle. The displacement of the particle from the turning point is 1.0 - 0.3 = 0.7 m.Therefore, we can write the kinetic energy as:K = mg(1.0 - 0.3) = 0.14 J

The total energy at any position is the sum of the kinetic and potential energies. Since the total energy is constant, we can write:E = K + U where,E = total energy of the particle K = kinetic energy of the particleU = potential energy of the particle .Now, we know that the particle has a kinetic energy of 0.14 J at the far right. Hence, we can write:E = 0.14 J + Uwhere U is the potential energy of the particle at any point.To find the particle's maximum speed, we need to find the point where the potential energy is zero.At this point, the kinetic energy is equal to the total energy, which is 0.14 J.Therefore, the particle's maximum speed is given by:Vmax = sqrt(2K/m)where m = 20 g = 0.02 kgVmax = sqrt(2(0.14 J)/(0.02 kg)) = 1.3 m/sThe potential energy at this position is 0.12 J. Hence, the total energy of the particle at this position is:E = K + U = 0.017 J + 0.12 J = 0.137 JThe position of the particle can be found by using the equation:E = mghwhere h is the height of the particle from the reference level where the potential energy is zero. At the position where the particle has a speed of 1.3 m/s, the height of the particle from the reference level is:h = E/(mg) = 0.137 J/(0.02 kg x 9.8 m/s^2) = 0.7 mTherefore, the particle has a speed of 1.3 m/s at x = 1.0 - 0.7 = 0.3 m.Part D:The turning points of the motion are the points where the kinetic energy of the particle is zero. The potential energy is maximum at x = 1.0 m and x = 0.2 m. Hence, the turning points of the motion are x = 1.0 m and x = 0.2 m.

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Take into account that any conversion factor can be written as a fraction in which you have the equivalence in the numerator and denominator.

b. 1 mile = 1.61 kilometer

By using the abbreviated form mi as mile and km as kiometer, you can write:

c. 4 cups = 1 quart

Answer:

Given that

speed u=4*10^6 m/s

electric field E=4*10^3 N/c

distance b/w the plates d=2 cm

basing on the concept of the electrostatices

now we find the acceleration b/w the plates  to find the horizontal distance traveled by the electron when it hits the plate.

acceleration a=qE/m=\(1.6*10^{-19}*4*10^3/9.1*10^{-31} =0.7*10^{15}\)=\(7*10^{14}\) m/s

now we find the horizontal distance traveled by electrons hit the plates

horizontal distance

\(X=u[2y/a]^{1/2}\)

=\(4*10^6[2*2*10^{-2}/7*10^{14}]^{1/2}\)

=\(3*10^{-2}\)= 3 cm

If a tube open at one end and closed at the other initially produces a fundamental frequency of 350 Hz, and then the closed end is opened, resulting in a new fundamental frequency of 750 Hz, the correct answer would be option (d) 1400 Hz.

The fundamental frequency of a tube that is closed at one end and open at the other is determined by the length of the tube. When the tube is closed at one end, it can only support odd harmonics, meaning that the fundamental frequency is the first harmonic. The fundamental frequency is inversely proportional to the length of the tube.

In this scenario, when the closed end is opened, the length of the tube effectively gets halved. Since the fundamental frequency is inversely proportional to the length, it will be doubled.

If the initial fundamental frequency is 350 Hz and it becomes 750 Hz when the closed end is opened, this indicates that the length of the tube has been halved. Thus, the new fundamental frequency after opening the closed end is twice the initial frequency, which is 350 Hz * 2 = 700 Hz.

However, it's important to note that none of the provided options match the correct answer. The correct answer based on the given information would be 700 Hz, not 1400 Hz as listed in the options.

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If the gas particles suddenly stopped moving, the pressure of the gas would drop to zero.

Pressure is caused by the collisions of gas particles with the walls of a container. When gas particles are moving, they collide with the walls of the container and exert a force on them, creating pressure. If the gas particles suddenly stopped moving, they would no longer collide with the walls of the container and the pressure would drop to zero.

However, it is important to note that in reality, it is impossible for gas particles to suddenly stop moving. This is because gas particles are always in motion due to their kinetic energy. If the gas particles were to stop moving, they would need to lose all of their kinetic energy, which is not possible according to the laws of thermodynamics.

Gauss' law relates the electric field at points on a Gaussian surface to the charge enclosed by that surface. It provides a useful tool for analyzing electric fields and understanding their relationship with charge distributions.

Gauss' law relates the electric field at points on a Gaussian surface to the charge enclosed by that surface. In other words, it connects the distribution of electric charges to the resulting electric field.
When we apply Gauss' law, we consider a closed surface known as a Gaussian surface. This surface can be any shape, but it must enclose the charge or charges we are interested in studying. By using a Gaussian surface, we simplify the calculations involved in determining the electric field.
The law states that the total electric flux through a closed Gaussian surface is equal to the net charge enclosed by that surface divided by the electric constant, also known as the permittivity of free space (ε₀). Mathematically, it can be represented as:
Φ = Q_enclosed / ε₀
Here, Φ represents the electric flux, Q_enclosed is the net charge enclosed by the Gaussian surface, and ε₀ is a constant value.
To find the electric field at a point on the Gaussian surface, we can use Gauss' law by considering the symmetry of the charge distribution. This allows us to simplify the calculation of the electric field, making use of the properties of the Gaussian surface. By determining the electric flux through the Gaussian surface and knowing the charge enclosed, we can then find the electric field at the point of interest.

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Explanation:

Given

acceleration (a) = 10 m/s²

mass (m) = 5 kg

Force (F) = ?

We know

F = m * a

= 5 * 10

= 50 Newton

The force is 50 N

Hope it will help :)

Answer:

\(\boxed {\boxed {\sf 50 \ Newtons }}\)

Explanation:

Force can be found using the following formula.

\(F=m*a\)

where F is the force, m is the mass, and a is the acceleration.

1. Define Values

We know the acceleration of the bowling ball is 10 m/s² and the mass is 5 kilograms.

\(a= 10 \ m/s^2 \\m= 5 \ kg\)

2. Calculate Force

Substitute the values into the formula.

\(F= 5 \ kg * 10 \ m/s^2\)

Multiply.

\(F= 50 \ kg*m/s^2\)

\(F=50 \ N\)

The force causing the ball to fall is 50 Newtons

Answer:

it should attract.........

The wavelength, the speed of sound and the water level of the next resonant length (the fifth harmonics) are as follows;

An harmonics are waves with a frequency that is an integer multiple of the fundamental frequency.

The given frequency of the sound wave, f = 330 hz

The first water level that gives the first loud sound, l₁ = 17.8 cm

The water level from the open end at the second loud sound, l₂ = 57.3 cm

First part;

The first harmonics that gives the fundamental frequency for the pipe is expressed as follows;

\(\dfrac{\lambda}{4} = l_1+e\)
Where;

e = The distance to the antinode of the wave above the top of the pipe

The third harmonics is given by the formula

\(\dfrac{3\cdot \lambda}{4} = l_2+e\)

\(\dfrac{3\cdot \lambda}{4}- \dfrac{\lambda}{4} = \dfrac{\lambda}{2} = (l_2+e) - (l_1+e) = l_2 - l_1\)

\(\dfrac{\lambda}{2} = l_2 - l_1\)

λ = 2 × (l₂ - l₁)

λ = 2 × (57.3 - 17.8) = 79

The wavelength of the wave, λ = 79 centimeters = 0.79 meters

Second part;

Speed of sound, v = f × λ

Therefore; v = 330 Hz × 0.79 m = 260.7 m/s

Third part;

\(\dfrac{\lambda}{4} = l_1+e\)

\(\dfrac{3\cdot \lambda}{4} = l_2+e\)

Which gives; 3·(l₁ + e) = l₂ + e

3·l₁ + 3·e = l₂ + e

3·e - e = l₂ - 3·l₁

2·e = l₂ - 3·l₁

Therefore, 2·e = 57.3 - 3 × 17.8 = 2.9

The water level for the next resonant length, which is the fifth harmonics, is given by the formula;

\(\dfrac{5\cdot \lambda}{4} = l_3+e\)

Which gives;

\(l_3 = \dfrac{5\cdot \lambda}{4} - e\)

Therefore;

\(l_3 = \dfrac{5\times 79 }{4} - 1.95 = 96.8\)

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Explanation:

The frequency of an organ pipe if it is open is given by :

\(f=\dfrac{nv}{2l}\)

v is speed of sound in air is 343 m/s at 20°C

For fundamental frequency, n = 1

\(f=\dfrac{1\times 343}{2\times 0.26}\\\\f=659.61\ Hz\)

First overtone frequency,

\(f_1=2f\\\\f_1=2\times 659.61\\\\f_1=1319.22\ Hz\)

Second overtone frequency,

\(f_2=3f\\\\f_2=3\times 659.61\\\\f_2=1978.83\ Hz\)

Third overtone frequency

\(f_3=4f\\\\f_3=4\times 659.61\\\\f_3=2638.44\ Hz\)

Hence, this is the required solution.

The age required for the individual to register a vehicle in NJ is 18 years.

In the state of New Jersey, the minimum age requirement for registering a vehicle varies depending on the type of vehicle being registered. For a passenger car, motorcycle or commercial vehicle, the minimum age requirement is 17 years old. However, if the vehicle is a commercial trailer, the minimum age requirement is 18 years old. Additionally, if the vehicle is being registered by a business or corporation, there is no age requirement. It's important to note that in order to register a vehicle in New Jersey, the individual must have a valid driver's license issued in the state. The registration process involves providing proof of ownership, proof of insurance, and payment of registration fees.

Furthermore, individuals under the age of 18 are required to have parental consent in order to obtain a driver's license or register a vehicle. Additionally, there may be restrictions on driving and vehicle registration for individuals under the age of 18, such as requiring a learner's permit or provisional license.

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When looking at the incandescent light we see a filament that is made up of tungsten. Incandescent light bulb work by the passage of electric current.

Incandescent light is emitted by incandescent bulbs which heat up the filament present inside the bulb.

On the other hand, discharge lamps contain an ionized gas and they produce light when an electric discharge passes through the gas. Discharge lamps are also known as fluorescent bulbs.

In general, fluorescent bulbs or discharge lamps are more efficient and offer more benefits than incandescent light bulbs.

This is because they consume less electricity and also a change of heat loss is minimum while incandescent light bulbs have low manufacturing costs, yet consume a large amount of electricity.

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Answer:

0.00789pa

Explanation:

since pressure=force/area

=400/0.5

=800N/m2

1.013*10^5N/m2=1pascal

800N/m2=xpascal

therefore it becomes,800/1.013*10^5

=0.00789pascal

Air temperatures tend to be relatively low to the north and west of a low pressure system.

Air temperature is a measure of how hot or cold the air is. It is the most commonly measured weather parameter. More specifically, temperature describes the kinetic energy, or energy of motion, of the gases that make up air.

This is because low pressure systems typically bring in cooler air from the north and west, while warmer air is pushed up and out towards the east and south.

Additionally, the lower pressure at the center of the system allows for rising air which can lead to cooling and precipitation.

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Answer:

Increase the number of coils.

Explanation:

By increasing the number of coils we can increase the electromagnet.

Lamarck's theory of evolution, also known as Lamarckism, proposed two main ideas. Firstly, the theory of use and disuse suggests that organs or traits that are used more frequently become stronger and more developed, while those that are not used gradually deteriorate over generations. Secondly, the theory of inheritance of acquired characteristics states that an organism can pass on traits acquired during its lifetime to its offspring.

Under Lamarck's theory, an organism might evolve by developing or strengthening certain traits through use and passing them on to the next generation. For example, if a giraffe stretches its neck to reach leaves high in the trees, its offspring would inherit a longer neck. This gradual elongation of the neck would continue over generations.

In contrast, under Darwin's theory of natural selection, an organism might evolve through the process of adaptation to its environment. For instance, consider a bird population with varying beak sizes. If the available food source consists of small seeds, individuals with smaller beaks are more likely to survive and reproduce, passing on their genes for smaller beaks. Over time, the average beak size in the population would decrease due to the selective advantage of smaller beaks in obtaining food.

In summary, Lamarck's theory proposed that acquired traits can be inherited, leading to gradual changes in an organism's characteristics. Darwin's theory, on the other hand, emphasized the role of natural selection in the adaptation of organisms to their environment, resulting in the accumulation of advantageous traits over generations.

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