Which answer explains why plate B is moving underneath plate A


A. Plate B is more dense than plate A because it is composed of oceanic crust


B. Plate A is more dense than plate B because it is composed of oceanic crust


C. plate B is more dense than plate A because it is composed of continental crust


D. Plate A is more dense than plate B because it is composed of continental crust

The sound recordist or sound mixer is the crew member in charge of capturing crystal-clear sounds on the set, usually concentrating on the actors' voices.

This individual is responsible for capturing all of the dialogue and other sound effects on the set and ensuring that they are recorded clearly and at the appropriate levels.

The sound recordist or mixer works closely with the director, cinematographer, and other members of the crew to plan the best microphone placement and sound recording techniques for each scene. They may use boom microphones, lavalier microphones, or other types of microphones to capture the sound, and they may also use equipment like sound blankets and wind protection to minimize unwanted noise.

During filming, the sound recordist or mixer monitors the audio levels and quality to ensure that everything is recorded properly. They may also work with the post-production team to edit and mix the sound for the final product.

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Answer:

true blood season and answers the question of whether you are not the intended recipient you are not the intended recipient you are not the intended recipient

Answer:

The Potential Energy of the Swing is Changing in to Kinetic Energy when is start moving.

Explanation:

When the Swing is pull at its extreme point then it has maximum potential energy. Because the formula of potential energy is:

             P.E. = (1/2)k*x^2

Here x shows the body displacement from the mean (Equilibrium) position. Since at maximum position the displacement is maximum therefore the P.E. is maximum at the extreme point.

When the Swing is released and start moving from extreme position to mean its P.E. is changing into Kinetic Energy. Because with the movement towards the mean position body acquire more speed and that speed increases its velocity. Since Kinetic Energy is given as:

            K.E. = (1/2) m*v^2

Therefore with the increase in velocity kinetic energy increases.

But when body again moving towards the extreme position, its kinetic energy again changes into P.E with the same reason as I discussed in the above paragraph.

Some of the energy is also changes in to heat in order to overcome air resistance.

Answer:

Friction. Have a great day! Think positive <3

Answer: Friction

Explanation: It makes sense

We expect the last colour of the sunset to be on the red end of the visible spectrum because of the dispersion of light.  Due to the particles present in the atmosphere, the light rays undergo scattering and the light of shorter wavelengths like blue gets dissipated but light rays of longer wavelengths travel long distances without getting dissipated.

Dispersion of light is the phenomenon in which the light from the sun is split into its constituent colours which are Violet, Indigo, Blue, Green, Yellow, Orange, and Red when it passes through a prism or due to the particles present in the earth's atmosphere.  

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Let m₁ and v₁ denote the mass and initial velocity of the first ball, and m₂ and v₂ the same quantities for the second ball. Momentum is conserved throughout the collision, so

m₁ v₁ + m₂ v₂ = m₁ v₁' + m₂ v₂'

where v₁' and v₂' are the balls' respective velocities after the collision.

Kinetic energy is also conserved, so

1/2 m₁ v₁² + 1/2 m₂ v₂² = 1/2 m₁ (v₁')² + 1/2 m₂ (v₂')²

or

m₁ v₁² + m₂ v₂² = m₁ (v₁')² + m₂ (v₂')²

From the momentum equation, we have

(0.600 kg) (9.00 m/s) + (0.300 kg) (-8.00 m/s) = (0.600 kg) v₁' + (0.300 kg) v₂'

which simplifies to

10.0 m/s = 2 v₁' + v₂'

so that

v₂' = 10.0 m/s - 2 v₁'

From the energy equation, we have

(0.600 kg) (9.00 m/s)² + (0.300 kg) (-8.00 m/s)² = (0.600 kg) (v₁')² + (0.300 kg) (v₂')²

which simplifies to

67.8 J = (0.600 kg) (v₁')² + (0.300 kg) (v₂')²

or

226 m²/s² = 2 (v₁')² + (v₂')²

Substituting v₂' yields

226 m²/s² = 2 (v₁')² + (10.0 m/s - 2 v₁')²

which simplifies to

3 (v₁')² - (20.0 m/s) v₁' - 63.0 m²/s² = 0

Solving for v₁' using the quadratic formula gives two solutions,

v₁' ≈ -2.33 m/s   or   v₁' = 9.00 m/s

but the second solution corresponds to the initial conditions, so we omit that one.

Then the second ball has velocity

v₂' = 10.0 m/s - 2 (-2.33 m/s)

v₂' ≈ 14.7 m/s

Answer:

For starters the membrane voltage is the same in nerve cells as in muscle cells.

As for skin and muscle cells, both cells arise from the same type of embryonic layer, the ectoderm and both which produces energy, though skin cells eventually lose their organelles.

Answer:

X: Absorbs energy from the core.

Y: Releases energy to the photosphere.

Explanation:

Convection is a mode of heat transfer through fluids (liquids or gas), and it requires material medium for its propagation.

The energy absorbed from the core of the Sun, is transferred through X (convection zone) by convectional process, and it flows to Y (radiative zone). Since the regions X and Y have different functions, the heat propagates from X causing photons to traverse through Y where it get released into the photosphere or the Sun's surface.

Therefore;

X: Absorbs energy from the core.

Y: Releases energy to the photosphere.

Answer:

X: Takes longer for photons to move through

Y: Releases energy to the photosphere

Explanation:

Explanation:

Because they evolved rapidly, and moulted like other arthropods,trilobites serve as excellent index fossils, enabling geologists to date the age of the rock in which they are found

The hummingbird's total displacement would be approximately 2.52 meters.

To find the hummingbird's total displacement, we need to calculate the straight-line distance between the bird's starting point and its ending point, taking into account both the horizontal and vertical components of its motion.

The horizontal displacement is the distance the hummingbird travels along the straight path before dropping down. From the problem statement, we know this distance is 2.1 m.

The vertical displacement is the distance the hummingbird drops down to reach the flower. From the problem statement, we know this distance is 1.4 m.

To find the total displacement, we can use the Pythagorean theorem, which states that the square of the hypotenuse of a right triangle (i.e., the straight-line distance between the two endpoints) is equal to the sum of the squares of the other two sides. In this case, the two sides are the horizontal and vertical displacements, so we have:

total displacement = √(horizontal displacement² + vertical displacement²)

total displacement = √(2.1² + 1.4²)

total displacement = √(4.41 + 1.96)

total displacement = √6.37

total displacement ≈ 2.52 m

Therefore, the hummingbird's total displacement is approximately 2.52 meters.

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The all-or-none law is the principle that states, once the threshold has been crossed, the action potential either fires or it does not. there is no half measure.

The all-or-none law: It is a principle which states that the strength of a response of a muscle fiber or nerve cell is not dependent on the  stimulus strength. If the stimulus is above the certain threshold, a muscle fiber or nerve  will fire.

Essentially, there will be either a full response or no response for an individual muscle fiber or neuron. Therefore action potential is essentially a full response.

There is no thing as a strong or weak action potential. Instead, it is always All-or-nothing process.

This will minimize the possibility of information that will be lost in the way.

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Hope this helps ♡♡

Answer:

c. hope this helped

Explanation:

Answer:

  C.  lever

Explanation:

Any sort of prying tool is an example of a lever.

Answer:

A lever

Explanation:

Mathematically, Wien's Law can be represented by the equation λmax = b/T, where λmax is the peak wavelength of light emitted, temperature is given by t and b is Wien's displacement constant.

Wien's Law states that the peak wavelength of light emitted by a dense object is inversely proportional to its temperature. This means that as the temperature of the object increases, the peak wavelength of light emitted by it shifts towards the lower end of the spectrum, i.e., towards the red end. On the other hand, as the temperature decreases, the peak wavelength of light emitted by the object shifts towards the higher end of the spectrum, i.e., towards the blue end.

Mathematically, Wien's Law can be represented by the equation λmax = b/T, where λmax is the peak wavelength of light emitted, T is the temperature of the object in Kelvin, and b is a constant known as Wien's displacement constant. The value of b is approximately equal to 2.898 x 10^-3 m.K, and is dependent on the units used for wavelength and temperature.

Thus, Wien's Law provides a useful tool for understanding the relationship between the temperature and spectral properties of dense objects, and has numerous applications in fields such as astronomy, materials science, and engineering.

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The correct option is option C.

Doubling the charge on the second particle produces the smallest increase in force.

Let the given charges be Q and q such that:

Q = 8.1C and q = 2.6C

separated by a distance of R = 0.03m

Now, we have to calculate the minimum increase in electric force.

The electrostatic force is given by:

F  = kQq/R²

Option A is wrong since reducing the charge will reduce the force.

Option B is wrong since the force is inversely proportional to the distance, so increasing the distance will decrease the force.

Option C ⇒ Double the charge on the second particle:

F = 2kQq/R²

Option D ⇒ Reduce the distance between the particles by one half:

So, the new distance between the charges is R/2, then

F = kQq/(R/2)²

F = 4kQq/R²

Clearly, the operation in option C gives the smallest increase in the force.

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Answer:

4 N

Explanation:

mass = 2 kg

acceleration = 2 m/s^2

Force = mass * acceleration

         = 2 *2

         = 4 N

Answer:

False

Explanation:

because Only Volt and Newton are units come from metric units, however, the Tesla is not come from Metric units.

Insulators, such as glass or plastic, prevent the flow of electric charge, allowing the charged rod to maintain its charge and transfer it to other objects.

In electrostatic experiments, a charged rod is used to transfer charge between objects. The charged rod used in such experiments is always made of an insulator.

An insulator is used because it can hold an electric charge without allowing it to flow freely.

If a conductor, like a metal rod, were used instead, the charge would immediately distribute itself uniformly across the surface of the conductor, and the experiment would not work as intended. Insulators, such as glass or plastic, prevent the flow of electric charge, allowing the charged rod to maintain its charge and transfer it to other objects.

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Answer:

the energy increases 4 times

Explanation:

A spring has an elastic potential energy that is given by the expression

          K_e = ½ K (x-x₀)²

where x is the distance from the equilibrium point and k is the return constant

if the spring is stretched at  x-x₀ = 2x₀, the energy value

        K_e = ½ k (2x₀)²

        K_e = ½ k 4 x₀²

        K_e = 4 (½ k x₀²)

        \(\frac{K_e}{ \frac{1}{2} k x_o^2}\) = 4

therefore the energy increases 4 times

The energy stored in the spring changes by a factor of 4

The formula for calculating the energy stored in the spring is expressed as:

\(E=\frac{1}{2}ke^2\)

If the spring is stretched to twice the length of its equilibrium position

\(E_2=\frac{1}{2}(2k)^2\\E_2=\frac{1}{2}4k^2\)

Take the ratio of the energy stored in the spring

\(\frac{E_2}{E} =\frac{1/2(4kx^2)}{1/2kx^2}\\ \frac{E_2}{E} =\frac{4}{1}\\E_2 = 4E\)

This shows that the energy stored in the spring changes by a factor of 4

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The energy per photon associated with a frequency of 1260 kHz is 2.10×10^-25 J.

To calculate the energy per photon, we can use the equation: E = hf, where E represents the energy, h is the Planck's constant (6.62607015 × 10^-34 J·s), and f is the frequency of the photon. Given that the frequency is 1260 kHz, we need to convert it to hertz (Hz) by multiplying it by 10^3:

Frequency = 1260 kHz × 10^3 = 1.26 × 10^6 Hz

Now, we can substitute the values into the equation:

E = (6.62607015 × 10^-34 J·s) × (1.26 × 10^6 Hz)

E = 8.33929859 × 10^-28 J

The answer is given in scientific notation as 8.34 × 10^-28 J. However, the question specifically asks for the answer in the format of 0.00×10^0. To achieve this, we can multiply the result by 10^3 and adjust the exponent accordingly:

E = (8.33929859 × 10^-28 J) × (10^3)

E = 8.33929859 × 10^-25 J

Thus, the energy per photon associated with a frequency of 1260 kHz is 2.10×10^-25 J.

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Answer:

its the lorry

Explanation:

The kinetic energy of the truck will be, 5625000 kg m/s and the kinetic energy of the bullet will be 156250 kg m/s. So the kinetic energy of the lorry will be higher than the kinetic energy of the Bullet.

Kinetic energy is a type of energy that a particle or an object possesses as a result of its motion. By exerting a net force on an item, work is done, which transfers energy; as a result, the object accelerates and obtains kinetic energy.

A moving item or particle's ability to move depends on both its mass and velocity. This is known as kinetic energy. Translation (or movement along a path from one location to another), rotation about an axis, vibration, or any combination of motions are examples of possible types of motion.

According to the question,

K.E of the lorry: 1/2 (4500)(50)²

K.E of the lorry = 5625000 kg m/s.

K.E of the bullet: 1/2(0.05)(250)²

K.E of the bullet = 156250 kg m/s

Hence, the kinetic energy of the lorry is greater than the kinetic energy of the bullet.

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The refractive index of the material is 0.

When the ray is incident on a transparent surface at an angle of 360 and the angle of refraction within the material is 27°, the refractive index of the material can be determined. The formula for Snell’s law is used to calculate refractive index. It states that: `sin i / sin r = n where i is the angle of incidence, r is the angle of refraction and n is the refractive index`.Snell’s law can be re-arranged to make n the subject of the formula to be: `n = sin i / sin r`Hence, we can calculate the refractive index as follows:

For the incident ray, i = 360° and the angle of refraction within the material, r = 27°.n = sin i / sin r= sin 360°/ sin 27°= 0/1 (since sin 360° = 0)= 0Therefore, the refractive index of the material is 0. T

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Answer:

B

Explanation:

The statement that best describes the direction of heat flow by conduction between two samples of the same material is that heat flows from faster molecules to slower molecules when they collide.

Heat refers to the difference in temperature between two substances. Heat flows in the direction of an hot substance to cold.

However, in a hot substance, the particles move faster than that of a cold substance.

Therefore, the statement that best describes the direction of heat flow by conduction between two samples of the same material is that heat flows from faster molecules to slower molecules when they collide.

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The **efficiency** of the car is approximately 13.46%. The car converts only about 13.46% of the energy obtained from gasoline into useful kinetic energy for acceleration, while the rest is lost as waste heat and other inefficiencies.

The **efficiency** of the car is calculated by dividing the useful energy output by the total energy input, and then multiplying by 100 to express it as a percentage. In this case, we need to determine the energy input and output.

The energy input can be calculated by multiplying the amount of gasoline consumed (0.0766 liters) by the energy content per liter (3.2×10^7 J/l). This yields an energy input of approximately 2.4512×10^6 J.

The energy output can be determined using the kinetic energy formula: KE = (1/2)mv^2, where m is the mass of the car (810 kg) and v is the final velocity (29 m/s). Plugging in these values, we find the energy output to be 329,805 J.

To calculate the efficiency, we divide the energy output by the energy input and multiply by 100: (329,805 J / 2,451,200 J) × 100 = 13.46%.

Therefore, the **efficiency** of the car is approximately 13.46%. The car converts only about 13.46% of the energy obtained from gasoline into useful kinetic energy for acceleration, while the rest is lost as waste heat and other inefficiencies.

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Answer:

24 m to the right/ to the east

Answer:

The displacement would be 0

Explanation:

The displacement is the shortest distance between two points, and the distance traveled is the actual distance. It would be zero because a ball thrown into the air would come down and the shortest distance is 0.

Edwin Hubble was an American astronomer who discovered a way to determine the rate of expansion of the universe through the relationship between the velocities of remote galaxies and their distances.

Mr. Hubble established what is known as Hubble's law, this law states that the greater the distance of a galaxy, the greater the speed at which it moves away from us, so both the law indicates that the large objects in the universe are moving away from each other steadily causing an unchanging expansion.

It is a mathematical constant that expresses the expansion velocity of the universe at a distance from a point in space. Its value is 69.8 km/s/Mpc.

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