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Physics

1 answer:

oee [108]3 years ago

8 0

Crust

Explanation:

The crust is the layer of the earth with the least dense materials. The crust is made up of silicate materials.

During the early stage in the formation of earth.
The earth differentiated minerals based on their densities.
Lighter minerals stayed afloat while the denser ones sank to the core of the earth.
The core is made up of the most dense metallic minerals.
As we go deep into the earth density increases.
Density of crust ranges from 2.-3.3g/cm³
The core is about 13.8g/cm³ dense.

Learn more:

Layers of the earth brainly.com/question/13059175

#learnwithBrainly

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The spring force constant is $k=243\ \frac{N}{m}$ .

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We are told the mass of the ball is $m=0.0555\ kg$ , the height above the spring where the ball is dropped is $h=0.536\ m$ , the length the ball compresses the spring is $d=0.04897\ m$ and the acceleration of gravity is $9.8\ \frac{m}{s^{2}}$ .

We will consider the initial moment to be when the ball is dropped and the final moment to be when the ball stops, compressing the spring. We supose that there is no friction so the initial mechanical energy $E_{mi}$ is equal to the final mechanical energy $E_{mf}$ :

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