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alukav5142 [94]

2 years ago

12

Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional

1 answer:

wolverine [178]2 years ago

8 0

The layers that make up the upper mantle are the following.

The lithosphere and the asthenosphere.
The lithosphere and the asthenosphere are the layers that make up the upper mantle.
The rocky outer part of the Earth is called the lithosphere.
It is very rigid, solid, and it is not as hot as the other parts.
According to scientists, its thickness is about 90 to 100 kilometers from the surface of the earth.
The layer of the Earth that moves the lithospheric plates is called the asthenosphere.
Lithospheric plates are 60 miles long on average and are composed of continental crust.

We conclude that the lithosphere and the asthenosphere are the layers that make up the upper mantle. The new lithosphere is being created at oceanic ridges due to plate tectonics. Yes, planet Earth is getting larger constantly.

Learn more about this topic here:

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A child slides down a hill on a toboggan with an acceleration of 1.8 m/s^2. If she starts at rest, how far has she traveled in :

DENIUS [597]

Explanation:

It is given that,

The acceleration of the toboggan, $a=1.8\ m/s^2$

Initial speed of the toboggan, u = 0

We need to find the distance covered by the toboggan. Using the second equation of motion as :

$s=ut+\dfrac{1}{2}at^2$

At t = 1 s

$s=\dfrac{1}{2}\times 1.8\times 1^2$

$s_1=0.9\ m$

At t = 2 s

$s=\dfrac{1}{2}\times 1.8\times 2^2$

$s_2=3.6\ m$

At t = 3 s

$s=\dfrac{1}{2}\times 1.8\times 3^2$

$s_3=8.1\ m$

Hence, this is the required solution.

4 0

3 years ago

I just need the answer to number 1 (with work please) <br> (Newton’s Second Law)

Valentin [98]

Answer:

wish I could help

Explanation:

I been rereading this and I can't solve it lemme go ask people in ma house real quick

8 0

2 years ago

Water towers store water above the level of consumers for times of heavy use, eliminating the need for high-speed pumps. How hig

Salsk061 [2.6K]

Answer:

So height will be 47.387 m

Explanation:

We have given gauge pressure $P=4.63\times 10^5N/m^2$

Density of water $\rho =997kg/m^3$

Acceleration due to gravity $g=9.8m/sec^2$

We know that pressure is given as $P=\rho gh$

$4.63\times 10^5=997\times 9.8\times h$

$h=47.387m$

So height will be 47.387 m

4 0

2 years ago

An empty water tank has a rectangular base with side lengths of 1.2 m and 2.3 m. The weight of the tank applies a pressure of 35

LekaFEV [45]

Answer:

Weight = 966 Newton.

Explanation:

Given the following data;

Length = 1.2 m

Width = 2.3 m

Pressure = 350 Pa

To find the weight of the tank;

We know that weight is the force of gravity acting on an object multiplied by its mass.

Weight = mg = force

Hence, we would determine the force using the parameters that were given.

But we would first determine the area of the rectangular tank.

Area of rectangle, A = length * width

A = 1.2 * 2.3

A = 2.76 m²

Mathematically, pressure is given by the formula;

Pressure = force/area

Force = pressure * area

Substituting into the formula, we have;

Force = 2.76 * 350

Force = 966 Newton

Therefore, the weight of the tank is 966 Newton.

5 0

2 years ago

What is the speed of an object that travels 20 meters in 4 seconds?

Iteru [2.4K]

Given:-

Distance covered by the particle (s) = 20 m
Time taken (t) = 4 seconds

To Find: Speed of it.

We know,

v = s/t

where,

v = Speed,
s = Distance &
t = Time taken.

Putting the values,

v = (20 m)/(4 s)

→ v = 5 m/s (Ans.)

5 0

3 years ago