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Crazy boy [7]
4 years ago
15

What would happen if the earth’s mantle was completely solid? Why do you think so?

Physics
1 answer:
Keith_Richards [23]4 years ago
4 0

Answer:

The earth's mantle is comprised of silicate rocks that are usually in the form of liquid. Its thickness is nearly 2,900 kilometres, forming about 85% of the total volume of the Earth. One of the main significance of this layer is the formation of the convection current, that initiates due to the heat energy provided from the interior of the earth, as a result of which the lithospheric plates above the layer of asthenosphere move from one place to another with respect to a fixed pole.

But, if the earth's mantle was entirely solid in nature then these heat energy from the core of the earth would not be sufficient to form these convection currents, due to which the plates would have not moved and there would have existed only a large super-continent and a huge water body.

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Pierce conducts an experiment in which waves collide in a way that the energy increases. What has occurred? refraction reflectio
Vitek1552 [10]

Answer:

constructive interference.

Explanation:

Electromagnetic waves is a propagating medium used in all communications device to transmit data (messages) from the device of the sender to the device of the receiver.

Generally, the most commonly used electromagnetic wave technology in telecommunications is radio waves.

Radio waves can be defined as an electromagnetic wave that has its frequency ranging from 30 GHz to 300 GHz and its wavelength between 1mm and 3000m.

In this scenario, an experiment is conducted by Pierce in which waves collide in a way that the energy increases. Thus, this is an example of constructive interference i.e constructive interference has occurred.

An interference occurs when two pair of waves such as sound and light waves pass through each other i.e crossing each other's path while traveling through the same medium or space.

3 0
3 years ago
Read 2 more answers
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from =6 to =1.
scoundrel [369]

When an electron in a hydrogen atom transitions from the state of n=6 to n=1, a photon with an energy of 13.2 eV is released.

<h3>What components make up a photon?</h3>
  • A photon is a microscopic particle that is part of electromagnetic radiation waves.
  • Maxwell demonstrated that photons are merely electric fields flowing through space.
  • A single photon can trigger a response from sensors in the retina.
<h3>What is the difference between an electron and a photon?</h3>
  • Photons and electrons. One of the fundamental quantum-mechanical particles is an electron, although photons also exist and have entirely distinct properties.
  • While the electron is a subatomic particle found in every atom, the photon is a sort of elementary particle that serves as an energy carrier.

learn more about photon here

brainly.com/question/15946945

#SPJ4

5 0
2 years ago
Review Conceptual Example 6 as background for this problem. A car is traveling to the left, which is the negative direction. The
DiKsa [7]

Answer:

(a) 1.21 m/s² (b) 1.75 m/s²

Explanation:

The initial speed of the car, u = 17.8 m/s

Case 1.

Final speed of the car, v = 23.5 m/s

Time, t = 4.68-s

Acceleration = rate of change of velocity

a=\dfrac{23.5 -17.8 }{4.68}\\\\a=1.21\ m/s^2

Case 2.

Final speed of the car, v = 15.3 m/s

a=\dfrac{23.5 -15.3}{4.68}\\\\a=1.75\ m/s^2

Hence, this is the required solution.

3 0
3 years ago
Block A, with a mass of 4.0 kg, is moving with a speed of 3.0 m/s while block B, with a mass of 6.0 kg, is moving in the opposit
ElenaW [278]

Answer:

The momentum of the two-block system is 18 kg-m/s

Explanation:

It is given that,

Mass of block A, m_A=4\ kg  

Mass of block B, m_B=6\ kg  

Velocity of block A, v_A=3\ m/s  

Velocity of block B, v_B=-5\ m/s (it is moving in opposite direction)

We need to find the momentum of two block system. It is given by the product of mass and velocity for both blocks i.e.

p=m_Av_A+m_Bv_B

p=4\ kg\times 3\ m/s+6\ kg\times (-5\ m/s)

p = -18 kg-m/s

So, the momentum of two block system is 18 kg-m/s. Hence, this is the required solution.                                            

5 0
3 years ago
If a metallic wire of cross sectional area 3.0 ´ 10 - 6 m2 carries a current of 6.0 A and has a mobile charge density of 4.24 ´
Akimi4 [234]

Explanation:

Below is an attachment containing the solution.

7 0
3 years ago
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