Convert 93.6 miles per hour. Convert this to kilometers per hour.

Answer: Use the x/t = v formula!!! x is distance, t is time, and v is velocity. you just need to do 40 / 5 = 8 and 100 / 15 = 6.66

Rock layer that can be porous but must have very low to no permeability is option A. above oil and natural gas

Soil permeability is a measure of a soil's ability to allow water to flow through it. It is determined by the size, shape, and arrangement of the soil particles, as well as by the presence of pores or fractures in the soil.

Soils with high permeability allow water to flow through them quickly, while soils with low permeability do not allow water to flow through as easily. Permeability is important for both agricultural and engineering applications, as it can affect water availability for plants, and the stability of foundations for buildings and other structures.

Therefore, the correct answer is as given above

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The complete question goes thus:

Rock layer that can be porous but must have very low to no permeability.

A. above oil and natural gas

B. Under oil and natural gas

C. Coal, oil, natural gas

D. anthracite

10.

An array with 4,096 elements can be cut into two equal pieces 10 times. Each time we cut the array in half, we divide the number of elements by 2. Starting with 4,096, we have:

1st cut: 4,096 / 2 = 2,048

2nd cut: 2,048 / 2 = 1,024

3rd cut: 1,024 / 2 = 512

4th cut: 512 / 2 = 256

5th cut: 256 / 2 = 128

6th cut: 128 / 2 = 64

7th cut: 64 / 2 = 32

8th cut: 32 / 2 = 16

9th cut: 16 / 2 = 8

10th cut: 8 / 2 = 4

After the 10th cut, we are left with two equal pieces of 4 elements each. Therefore, the array can be cut into two equal pieces 10 times.

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Lo que sucede es que la sopa se comienza a enfriar. La temperatura es una función del calor al cual es sometido un cuerpo/sistema.

El calor se refiere a la cantidad de energía térmica que puede ser transferida entre dos sistemas/cuerpos cuando dichos sistemas/cuerpor entran en contacto.

Para que haya transferencia de calor es necesario que ambos objetos se encuentren a diferentes temperaturas.

El calor se define como un tipo de propiedad extensiva porque la modificación en la temperatura de un cuerpo durante la transferencia de calor depende de la cantidad de moléculas presentes en el sistema.

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The latitude and longitude coordinates for Location C are given as 50S, 68W. Therefore, the correct answer is 4) Cannot discern from the information provided.

Latitude and longitudinal lines are shown on a globe of Earth as parallel and vertical lines. To determine which distance is farther, we need to compare the distance between Location B and the Equator with the distance between Location C and the Equator.

However, the latitude and longitude coordinates for Location B and the specific direction or coordinates of the Equator are not provided. Without this information, it is not possible to determine which distance is farther between Location B and the Equator or Location C and the Equator.

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To calculate the frequency of the sound heard by the person, we need to consider the Doppler effect, which describes the change in frequency due to the relative motion between the source of the sound and the observer.

The formula for the observed frequency due to the Doppler effect is given by:

f_observed = f_source * (v_sound + v_observer) / (v_sound + v_source)

where:

f_observed is the observed frequency,

f_source is the source frequency,

v_sound is the speed of sound in air, and

v_observer and v_source are the velocities of the observer and the source, respectively.

Given:

Source frequency (f_source) = 1.44 × 10^3 Hz

Speed of sound in air (v_sound) = 343 m/s

Velocity of the siren (v_source) = 15 m/s

Velocity of the observer (v_observer) = 0 m/s (since the observer is at rest)

(a) Frequency of the sound directly from the siren:

For this scenario, the observer and the siren are moving away from each other. Substituting the given values into the Doppler effect formula:

f_observed = 1.44 × 10^3 * (343 + 0) / (343 + 15)

(b) Frequency of the sound reflected from the cliff:

In this case, the sound waves are reflected by the cliff, resulting in a change in direction. The relative motion between the observer and the reflected sound is the sum of their individual velocities. Thus, we consider the observer's velocity as -15 m/s (since it's moving towards the observer).

f_observed = 1.44 × 10^3 * (343 + 0) / (343 - 15)

By performing the calculations, we can determine the frequencies of the sound heard by the person directly from the siren and reflected from the cliff.

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Answer:

Dogs are able to hear much higher frequencies than humans are capable of detecting. For this reason, dog whistles that are inaudible to the human ear can be heard easily by a dog. If a dog whistle has a frequency of 30,000 Hz, what is the wavelength of the sound emitted?

Answer: 90Kg

Explanation:

The mass of air hitting the sail each second can be calculated as:

mass of air = density of air * volume of air

The volume of air hitting the sail can be calculated as:

volume of air = area of sail * velocity of wind * time

Here, the area of sail is given as 3.8 m², the velocity of wind is 20 ms^-1, and the time is 1 second (since we want to calculate the mass of air hitting the sail each second).

Therefore,

volume of air = 3.8 m² * 20 ms^-1 * 1 s = 76 m³

Using the given density of air of 1.2 kg m^-3, we can calculate the mass of air hitting the sail each second as:

mass of air = 1.2 kg m^-3 * 76 m³ = 91.2 kg

Therefore, the mass of air hitting the sail each second is approximately 90 kg.

Answer:

D 7500

Explanation:

Energy is elastic potential energy

EPE=1/2 kx^2

6=1/2 k(0.04)^2

6=k (0.0016/2)

k = 6/0.0008 = 7500

Answer:

1) correct answer is ii  larger size

2) false, 3) false, 4) true, 5) true, 6) true

Explanation:

In this exercise, the answer is asked if the statement is true.

1) in the rapid cooling speed, there is no thermodynamic equilibrium, so the secondary phases do not have time to transform into the main one, therefore many phases appear in the products,

the correct answer is ii

2) False. The transformation of a material to the glass state requires a fixed temperature and rapid changes to reach this temperature,

3) False. The most stable state is the crystalline state, the glass states are metastable, their Gibbs energy is not the lowest possible and they must transition to the crystalline state over time, it can be years or centuries.

4) True. The melting and freezing temperatures change for each material, within the same material it always has the same value, since it corresponds to a change in the state of the system.

5) true. Cast iron is called gray because of the impurities inside that have not had time to move due to rapid cooling.

6) True. The microstructure is reduced in the process of cooling and heating

After the physical change, the plastic will still retain its original properties, such as its chemical composition.

Chemical composition is the arrangement, ratio, and type of atoms in a particular molecule or compound. It is typically represented as a chemical formula, which indicates the types of atoms present in the compound and their ratios. Chemical composition is an important factor in determining the physical and chemical properties of a material, such as its solubility, boiling point, melting point, and other characteristics. The chemical composition of a material can be determined through a variety of laboratory tests, including spectroscopy, chromatography, and thermal analysis. Understanding a material’s chemical composition is critical for proper selection and use in a variety of applications.

However, its physical properties, such as its shape and volume, will be different. The plastic will now be in a solid form and its volume will be increased due to the expansion that occurs during the freezing process.

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Answer:

Area = 54

Explanation:

6 × 9 = 54

you just need to multiple the two different sized sides

Display: grid sets the element with the .grid class to use the grid layout. grid-template-columns sets the grid template to have two columns with automatic width. grid-gap sets the gap between grid items to 10 pixels.

CSS style rule for the .grid class selector with the specified properties:

.grid {

 display: grid;

 grid-template-columns: auto auto;

 grid-gap: 10px;

}

In the above code, display: grid sets the element with the .grid class to use the grid layout. grid-template-columns sets the grid template to have two columns with automatic width. grid-gap sets the gap between grid items to 10 pixels.

We can apply this style rule to the desired HTML element by adding the grid class to it, like this:

<div class="grid">

 <!-- Your grid items here -->

</div>

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The intensity of the radiation at the location of the sensor is approximately 6.58 x 10^3 W/m².

To calculate the intensity of the radiation at the given location, we need to consider the relationship between the electric field and intensity. The terms involved in this question are distance, electric field, and intensity.

Intensity (I) is the power (P) of the radiation distributed over a specific area (A). In this case, we are given the root-mean-square (RMS) value of the electric field (E) at a distance (d) of 29.7 cm from the light bulb.

The relationship between electric field and intensity can be described using the formula:

I = (E^2) / (2 * ε₀)

Where ε₀ is the vacuum permittivity, which has a value of approximately 8.85 x 10^-12 F/m.

Now, let's plug in the given values:

I = (341.4 V/m)^2 / (2 * 8.85 x 10^-12 F/m)

I = (116556.36 V²/m²) / (1.77 x 10^-11 F/m)

I = 6.58 x 10^3 W/m²

Therefore, the intensity of the radiation at the location of the sensor is approximately 6.58 x 10^3 W/m². This value represents the power of the radiation emitted by the light bulb distributed over a square meter at a distance of 29.7 cm from the bulb.

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Answer:

the tendency of a body to float or to rise when submerged in a fluid testing an object's buoyancy.

Explanation:

The meaning is from Merriam Webster for more such unique nd it also has easy meanings you can download that

(Source Merriam Webster)

Hope it helps unnie

Mark me as Brainliest plz!

Have a nice day

Anything that displaces fluid is acted on by an upward force equal to the weight of the displaced fluid.

Answer:

solids

Explanation:

Sound travels fastest through solids. This is because molecules in a solid medium are much closer together than those in a liquid or gas, allowing sound waves to travel more quickly through it. In fact, sound waves travel over 17 times faster through steel than through air

Answer:

ADE

Explanation:

Answer:

-A mover carries a box up a flight of stairs.

-Wind blows a pool chair across the yard.

-A weightlifter lifts a barbell off the ground.

Explanation:

TRUSTTTT A HOOOEEEE

Answer:

4.A book sitting on a table

Explanation:

I think it D I took the test last year

SMM2 refers to the Standard Method of Measurement 2. It is a document that specifies the method and processes used in measuring buildings and civil engineering works. SMM2 is commonly used in the construction industry.

The following are explanations of the clauses under Standard Method of Measurement 2 (SMM2):

i. D.10: This clause under SMM2 relates to the painting of metal and timber surfaces. It stipulates that when painting the surfaces of timber or metal, the preparation of surfaces and application of paint must conform to manufacturer specifications. It also specifies that the paint must be applied using a brush, roller, or spray. The clause then goes on to outline specific measurements for the thickness of paint coating to be applied on surfaces.

ii. D.12.4: This clause under SMM2 refers to the construction of walls using concrete blocks. It states that the concrete blocks used should have a minimum density of 1500 kg/m3. It also outlines specific measurements for the thickness of the mortar to be used for bonding the blocks together. The clause further specifies the measurement of the joint thickness between blocks.

iii. D.12.6: This clause under SMM2 refers to the rendering of walls with a cement mortar mix. It specifies that before rendering, the surface of the wall must be clean, dry, and free of debris. It also outlines specific measurements for the thickness of the rendering to be applied to the wall. The clause then stipulates that the rendering should be finished with a smooth surface that conforms to the architect's specifications.

iv. D.12.8: This clause under SMM2 refers to the painting of interior plastered walls. It stipulates that the preparation of surfaces and application of paint must conform to manufacturer specifications. It also specifies that the paint must be applied using a brush, roller, or spray. The clause then goes on to outline specific measurements for the thickness of paint coating to be applied on surfaces.

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The general (implicit) solution to Stefan's equation is given by:

ln((M^2 + T^2)/(M^2 - T^2)) = 2σt + 2C, where C is the constant of integration.

To solve Stefan's equation, we can separate the variables and integrate both sides. Let's proceed with the steps:

First, rewrite the equation as follows:

(1/(M^4 - T^4)) * dT/dt = σ

Now, we integrate both sides with respect to t:

∫(1/(M^4 - T^4)) * dT = ∫σ * dt

The left side of the equation requires integration by partial fractions. The integral can be expressed as:

1/(M^4 - T^4) = A/(M^2 + T^2) + B/(M^2 - T^2)

To determine the constants A and B, we can use the method of partial fractions. Multiply through by (M^4 - T^4) and then equate the numerators:

1 = A(M^2 - T^2) + B(M^2 + T^2)

Expanding and rearranging, we have:

1 = (A + B)M^2 + (A - B)T^2

Equating the coefficients of the powers of T, we get:

A + B = 0 (coefficient of T^2)

A - B = 1 (constant term)

Solving these equations simultaneously, we find A = 1/2 and B = -1/2.

Substituting the partial fraction decomposition back into the integral, we have:

∫(1/(M^4 - T^4)) * dT = ∫(1/2)*((1/(M^2 + T^2)) - (1/(M^2 - T^2))) * dT

Integrating both sides, we obtain:

(1/2) * (ln(M^2 + T^2) - ln(M^2 - T^2)) = σt + C

where C is the constant of integration.

Finally, solving for T, we can write the general (implicit) solution to Stefan's equation as:

ln((M^2 + T^2)/(M^2 - T^2)) = 2σt + 2C

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The average velocity of a man who runs forward at 8 m/s for 9 s and back again at 5 m/s for 3 s after an 8 s break is 7.25 m/s.

The average velocity of the man in this scenario can be found by dividing the total distance traveled by the total time spent moving.

The total distance traveled while running forward is 8 m/s * 9 s = 72 m, and the total distance traveled while running back is 5 m/s * 3 s = 15 m.

The total distance traveled is 72 m + 15 m = 87 m. The total time spent moving is 9 s + 3 s = 12 s.

Therefore, the average velocity is 87 m / 12 s = 7.25 m/s.

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Answer:

maximum height reach by rockect =970.2metre

Explanation:

Answer:

When the ball falls down.

Answer:

.243 g

Explanation:

cm * cm * cm = cm^3

  put in the numbers   10 * 5 * .0018 = .09 cm^3

      .09  cm^3  *  2.7 g/cm^3 = .243 g

The mass of the piece of aluminum foil is 0.243 g.

Density of a substance is defined as the mass per unit volume of the substance.

Here,

Density of aluminum, ρ = 2.7 g/cm³

Volume of the aluminum foil, V = 10 x 5 x 0.0018

V = 0.09 cm³

The equation for density of a substance is given by,

ρ = m/V

Therefore mass of the aluminum foil,

m = ρV

m = 2.7 x 0.09

m = 0.243 g

Hence,

The mass of the piece of aluminum foil is 0.243 g.

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Answer: The spinning of Earth's outer core causes the lithosphere to break into individual plates and collide with each other.

Earth's surface forms because of this reason:

The spinning of Earth's outer core causes the lithosphere to break into individual plates and collide with each other.

Answer:

false

Explanation:

A hot tungsten filament emit electromagnetic radiation within the bulb because the tungsten is present within the bulb.

Due to its high melting point, tungsten can be heated to 3000°C where it glows white hot providing very good brightness due to the presence of argon.

So we can conclude that a hot tungsten filament emit electromagnetic radiation within the bulb.

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Electromagnetic radiation is made up of electromagnetic field waves. A hot tungsten filament emits electromagnetic radiation in the presence of Argon.

Electromagnetic radiation is made up of electromagnetic field waves that travel through space carrying electromagnetic radiant energy. Radio waves, microwaves, infrared, light, ultraviolet, X-rays, and gamma rays are all examples of electromagnetic waves.

When tungsten is heated to a temperature of around 3000 °C, the tungsten starts to emit lights. Tungsten when used in a bulb as a filament then because of its high melting point when electricity is passed through it, it starts to shine white-hot and provides extremely good brightness due to the presence of argon.

Hence, A hot tungsten filament emits electromagnetic radiation in the presence of Argon.

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The smallest mass of metal will be deposited from a 1.0 M solution of hydrogen ions (\(H^+\)).

To determine from which 1.0 M solution the smallest mass of metal will be deposited in an electrolytic cell operated for 3000 s using a current of 1.50 A, we need to use Faraday's laws of electrolysis.

Faraday's first law states that the amount of metal deposited at the cathode during electrolysis is directly proportional to the amount of electricity passed through the cell.

The equation relating the amount of metal deposited to the current, time, and the atomic weight of the metal is given by:

m = (I x t x w) / (n x F)

where

m is the mass of the metal deposited,

I is the current,

t is the time,

w is the atomic weight of the metal,

n is the number of electrons transferred per atom during the reaction, and

F is Faraday's constant (96,485 C/mol).

To determine from which solution the smallest mass of metal will be deposited, we need to find the solution that has the lowest atomic weight (w) and the lowest value of n.

This is because the smaller the atomic weight and the smaller the number of electrons transferred, the smaller the mass of metal that will be deposited for a given amount of electricity passed.

Therefore, we need to look at the periodic table to find the element with the lowest atomic weight.

This element is hydrogen, with an atomic weight of 1.008 g/mol.

Additionally, the number of electrons transferred in the electrolysis of hydrogen is 1, which is the smallest possible value.

Substituting the values into the equation, we get:

m = (1.50 A x 3000 s x 1.008 g/mol) / (1 x 96485 C/mol) ≈ 0.047 g

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