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3 years ago

What happens at a convergent boundary?

Physics

2 answers:

LenaWriter [7]3 years ago

8 0

Convergent boundaries form earthquakes, which forms mountains and islands.

SIZIF [17.4K]3 years ago

6 0

Answer:

Convergent plate boundaries are usually characterized by the convergent motion of the tectonic plates and the formation of a subduction zone, deep sea-oceanic trenches.

When the plates move towards each other, there forms a subduction zone where the denser plate goes below the lighter one. This subduction zone is basically identified by the presence of a narrow V-shaped type of depression, which is commonly known as the trench.

As the denser plate subducts into the layer of the asthenosphere, the rocks undergo partial melting and mixes with the magma. This magma is then brought upward into the over-riding plate, giving rise to the formation of volcanoes.

This type of plate boundary is responsible for the occurrence of deep-focus earthquakes.

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Which two conditions must exist in order for radiation to occur?

melomori [17]

Answer:Which condition must exist in order for conduction to occur between two substances? The molecules of the substances must be touching. Both substances must be the same temperature. At least one substance must be a liquid.

Explanation:

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3 years ago

Fermi energy of conduction electrons in silver is 0.548 J. Calculate the number of such electrons in unit cm3

ICE Princess25 [194]

Answer:

$n=1.86*10^{-30}m^3$

Explanation:

From the question we are told that:

Fermi energy of conduction electrons $E_f=0.548J$

Generally the equation for Fermi energy is mathematically given by

$E_f=\frac{3}{\pi}^2/3*\frac{h^2}{8m}*{n^{2/3}}$

${n^{2/3}}=\frac{E_f}{\frac{3}{\pi}^2/3*\frac{h^2}{8m}}$

Where

h= Planck's constant

${n^{2/3}}=\frac{E_f}{\frac{3}{\pi}^2/3*\frac{h^2}{8m}}$

${n^{2/3}}=\frac{0.548J}{3.62*10^{-19}}$

$n=(1.51*10^{-20})^{3/2}$

$n=1.86*10^{-30}m^3$

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3 years ago

What are the four components that can be derived from a unit of blood?

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Within that unit of blood, you are going to have plasma, white blood cells, red blood cells, and platelets.

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3 years ago

Can someone help me, please?

Digiron [165]

Answer:

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3 years ago

The particles of a substance can have kinetic energy (KE) and potential energy (PE). Which equation best summarizes the internal

Olenka [21]

Answer:

The internal energy of a substance is equal to the total amount of potential energy and kinetic energy of ALL the particles in the substance.

For example, when the temperature increases (more temperature means more energy), the kinetic energy of the particles in the substance increases.

And when we reach a point near a change of phase (like near fusion point) there is energy used to break the bonds between the particles, then we have an increase in potential energy.

Then we could write the internal energy as:

U = ∑(KEₙ) + ∑(PEₙ)

Where ∑(KEₙ) and ∑(PEₙ) are the sums of the kinetic energy and potential energy of all the particles in the substance.

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3 years ago

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