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dimulka [17.4K]
3 years ago
13

The layer of the earth where mantle convection occurs and on which the earth's crust resists is the ?

Physics
2 answers:
kow [346]3 years ago
6 0
C. Lithosphere, I believe is correct
Keith_Richards [23]3 years ago
6 0

Answer:

So the answer is <u><em>B - Asthenosphere</em></u>

Explanation:

The earth has four layers; the crust, the mantle, the outer core and the inner core. The Earth’s magnetic field is the combination from the convection it receives from the outer core and the Coriolis Effect. The layer of earth where mantle convection occurs is the asthenosphere. The answer is letter B. The outer core is composed mostly of liquid nickel and iron. It is expected to have that state of metal because it has a higher temperature. The inner core cannot hold much of the magnetic field because of its high temperature and high pressure that exceeds the outer core. The temperature decreases however as the layer goes outwards.

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What are the disadvantages and advantages for electromagnetic spectrum​
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Advantages: In small quantities they help your body produce vitamin D.

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Explanation:

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3 years ago
At what distance between two objects would you have the greatest gravitational force
Alla [95]

The gravitational force is inversely proportional to the
square of the distance between their centers.  So the
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A Net Force of 9.0 N acts through a distance of 3.0 m in a time of 3.0 s. The work done is?
JulijaS [17]
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5 0
3 years ago
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A rotating water pump works by taking water in at one side of a rotating wheel, and expelling it from the other side. If a pump
Xelga [282]

Answer:

Explanation:

initial angular velocity, ωo = 0 rad/s

angular acceleration, α = 30.5 rad/s²

time, t = 9 s

radius, r = 0.120 m

let the velocity is v after time 9 s.

Use first equation of motion for rotational motion

ω = ωo + αt

ω = 0 + 30.5 x 9

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8 0
3 years ago
Determine the magnitude of force F so that the resultant FR of the three forces is as small as possible.
Kamila [148]

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Explanation:

Write down x and y components.

Fx= FSin30°

Fy= FCos30°

Choose the forces acting up and right as positive.

∑(FR) =∑(Fx )

(FR) x= 5-Fsin30°= 5-0.5F

(FR) y= Fcos30°-4= 0.8660-F

Use Pythagoras theorem

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Differentiate both sides

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Set dFR/dF to 0

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The minimum force is 2.330kN

8 0
3 years ago
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