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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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An iron ball is dropped at a height of 10 m from the surface of the moon.
galben [10]

Answer:

3.51s

Explanation:

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3 0
3 years ago
What is one difference between using a solar cell for electricity and using a windmill?
wlad13 [49]

Answer:

Solar cell generates DC

Windmill generates AC

Explanation:

Solar cell generates DC from the panel, to use this DC for electricity it has to be passed to an inverter which convert DC to AC.

Windmill generates AC from the wind blades. This type of energy can be used directly with household appliances using AC, or passed to a rectifier to convert it to DC.

8 0
3 years ago
The weight of a hydraulic barber's chair with a client is 2100 N. When the barber steps on the input piston with a force of 44 N
guajiro [1.7K]

Answer:

\frac{r_1}{r_2}=6.9

Explanation:

According to Pascal's Law, the pressure transmitted from input pedal to the output plunger must be same:

P_1 = P_2\\\\\frac{F_1}{A_1}=\frac{F_2}{A_2}\\\\\frac{F_1}{F_2}=\frac{A_1}{A_2}\\\\\frac{F_1}{F_2}=\frac{\pi r_1^2}{\pi r_2^2}\\\\\frac{F_1}{F_2}=\frac{r_1^2}{r_2^2}

where,

F₁ = Load lifted by output plunger = 2100 N

F₂ = Force applied on input piston = 44 N

r₁ = radius of output plunger

r₂ = radius of input piston

Therefore,

\frac{r_1^2}{r_2^2}=\frac{2100\ N}{44\ N}\\\\\frac{r_1}{r_2}=\sqrt{\frac{2100\ N}{44\ N}} \\\\\frac{r_1}{r_2}=6.9

4 0
3 years ago
The Gibson family have bought tickets to the Christmas Market. There are 4 mothers, 2 grand-mothers and 4 daughters. What is the
koban [17]
The minimum number of tickets that could admit all of them is six (6).

This thing is impossible to explain in words, so I shall attempt it with a diagram:

Here are the six ladies:

       ( A )      ( B )
          |           |
          |           |
       ( C )      ( D )
          |           |
          |           |
       ( E )       ( F )  

--  'E'  and  'F'  are the daughters of  'C'  and  'D' .

--  'C'  and  'D'  are the daughters of  'A'  and  'B' .

So look what we have now:

--  'A'  and  'B'  are the mothers of  'C'  and  'D' .
     There's 2 of the mothers.

--  'C'  and  'D'  are the mothers of  'E'  and  'F' .
     There's the OTHER 2 mothers. 
 
--  'A'  and  'B'  are the grandmothers of  'E'  and  'F' .
    There's the 2 grandmothers.

--  'E'  and  'F'  are the daughters of  'C'  and  'D' .
     There's 2 of the daughters.

--  'C'  and  'D'  are the daughters of  'A'  and  'B' .
     There's the OTHER 2 daughters.

You want to know what ? !
The group is even bigger than THAT.
There are also 2 GRAND-daughters in the family ...  'E'  and  'F' .

So now you have a list of 12 people ! ... 4 mothers, 2 grandmothers,
4 daughters, and 2 grand-daughters ... and they all get in to the
Christmas Market with only six tickets.    Legally !

Such a deal !

Don't forget :  Christmas this year is also the first day of Chanukah !
                     All for the same price !

5 0
3 years ago
Which of the following represent units of capacitance? You may choose more than one correct answer:
inessss [21]

Answer:

Capacitance is a derived physical quantity measured in farad

4 0
3 years ago
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