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3 years ago

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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It requires a force of 100 N to stretch a spring of negligible mass by a distance of 0.1 m. If the spring instead stretches a di

Mariana [72]

by the formula of spring force we know that

$F = kx$

here we know that

$F = 100 N$

$x = 0.1 m$

now we will have

$100 = k \times 0.1$

$k = 1000 N/m$

now by similar way if the stretch in spring is 0.25 m

force is given by

$F = kx$

$F = 1000 \times 0.25$

$F = 250 N$

so it will require F = 250 N force

5 0

3 years ago

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When acceleration and velocity are in opposing directions, the speed will

melamori03 [73]

Answer:

If the velocity and acceleration are in the same direction (both have the same sign - both positive or both negative) the object is speeding up. If the velocity and acceleration are in opposite directions (they have opposite signs), the object is slowing down.

<h2>Please mark my answer brainliest for further answers :)</h2>

8 0

3 years ago

Read 2 more answers

Explain why a ping pong ball and bouncy ball of the same size have different weights

user100 [1]

Answer:

the material

Explanation:

weight is defined as the amount of force on the object because of gravity. ping pong balls and bouncy balls are made out of different materials that are different weights. most bouncy balls are also not hollow, unlike ping pong balls. these factors affect the weight of these objects.

8 0

3 years ago

The colors of light emitted by incandescent gases show the A. absorbing qualities of gas. B. polarization of atoms in the gas. C

Black_prince [1.1K]

B polarized of stoms

7 0

3 years ago

If you had a known sample of a mineral whose density was 7.1 grams/ml and its volume was 15 ml. What is the mass of the mineral.

kow [346]

Answer:

<h3>The answer is 106.5 g</h3>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

volume = 15 mL

density = 7.1 g/mL

We have

mass = 7.1 × 15

We have the final answer as

Hope this helps you

6 0

3 years ago