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Anna71 [15]
3 years ago
13

The earth's interior heat and pressure drive a process of heat transfer in the mantle called _____.

Physics
2 answers:
Galina-37 [17]3 years ago
5 0
Convection. It is the transfer of heat by the circulation and movement of the molecules that come from liquid or gas.
almond37 [142]3 years ago
5 0
<h3><u>Answer;</u></h3>

Convection

The earth's interior heat and pressure drive a process of heat transfer in the mantle called <em><u>convection</u></em>.

<h3><u>Explanation;</u></h3>
  • <em><u>Convection is the process of heat transfer that occurs in fluid through convection current. This process may occur in a natural setting such as in the earth's mantle.</u></em>
  • <em><u>The plate tectonics in the earth surface are driven by the convection currents in the magma. The intense heat in the core of the earth causes molten rocks in the mantle to move in a pattern called convection cell that results from the cooling of the rising denser warm material which eventually sink.</u></em>
  • This transfer of the heat from the mantle to the surface of the earth by convection is similar to the hot water, which involves convection currents.
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How many neutrons does an element have of its atomic number is 50 and its mass number is 156?
pshichka [43]

Ok so I think you would first subtract


156 - 50 = 106


Since atomic number is based on the number of protons, you should subtract the 50 from 156


106 should be your answer


Hope this helps!

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3 years ago
An environmental group wants to sink a ship off the coast to create an artificial reef. They find that they must get a permit fr
bazaltina [42]

Answer:

The environmental protection agency needs to inspect the ship and make sure it is safe before giving the ok.

Explanation:

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A 1.7m long barbell has a 20kg weight on its left and a 35kg weight on its right. (a) If you ignore the weight of the bar itself
Levart [38]

Answer:

(a) 1.08 m

(b) 1.06 m

Explanation:

<u>Step 1:</u> calculate the center of gravity from 20kg mass

Let the center of gravity from 20kg mass = X

Applying the principle of moment; clockwise moment = ant-clockwise moment

20*X = 35*(1.7-X)

20X = 59.5 - 35X

55X = 59.5

X = 59.5/55

X = 1.08 m

Ignoring the weight of the bar, the center of gravity is 1.08m from left end of the barbell.

<u>Step 2:</u> calculate the center of gravity from 20kg mass, if the 8.0kg mass of the barbell in considered.

Applying the principle of moment

(20*X)+\frac{X}{2}(\frac{8}{1.7}) = 35(1.7-X) + (\frac{1.7-X}{2})(\frac{8}{1.7})

20X + 2.353X = 59.5 -35X +2.353(1.7-X)

20X +2.353X = 59.5 -35X + 4 - 2.353X

59.706X = 63.5

X = 63.5/59.706

X = 1.06 m

considering the weight of the bar, the center of gravity is 1.06m from left end of the barbell.

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3 years ago
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Difference exists mainly in the label for x axis.

Explanation:

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iren2701 [21]

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