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3 years ago

Briefly describe how the Sun produces energy.

Physics

1 answer:

kobusy [5.1K]3 years ago

5 0

Answer:

<em>The Sun produces energy by the process of nuclear fusion. Nuclear fusion occurs when lighter nuclei combine to produce a larger, heavier nucleus. In the process, energy is released. Nuclear fusion requires very high temperatures and pressures. Nuclear fusion occurs in the core of the Sun when hydrogen atoms combine to form helium atoms.</em>

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<em>Sample Response: The Sun produces energy by the process of nuclear fusion. Nuclear fusion occurs when lighter nuclei combine to produce a larger, heavier nucleus. In the process, energy is released. Nuclear fusion requires very high temperatures and pressures. Nuclear fusion occurs in the core of the Sun when hydrogen atoms combine to form helium atoms</em>

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2 Points

DochEvi [55]

Answer:

For me I thinks is B

8 0

3 years ago

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the explorer visited the three places and raised her hand when she reached each of them, where would the change in gravitational

Scorpion4ik [409]

Answer:

the Mariana trench

Explanation:

To perform this calculation we must use the law of universal gravitation

F = G m M / r²

Where the gravitational potential energy is immediately deducted

U = ∫ F dr

U = - G m M (1 / r - 1 / Ro)

In general the point of Ro is taken at infinity so that here the energy is zero

Therefore, for this problem we will use the equation

U = - G m M / r

Let's calculate the distance, for the three requested points

-Ecuador

R = 6370 km (1000 m / 1 km)

R = 6.370 10 6 m

- Mariana Trench

This is 11 km deep

R = 6370 -11 km = 6359 km

R = 6.359 106 m

- The Chimborazo

R = 6384 Km

R = 6.384 10 6 m

We can appreciate that if we introduce these values in the formula, the one that gives the greatest change would be the one with the least distance. Let's calculate it,

- Ecuator

U = - (G mM) / (6.370 106)

U = - (GmM) 1.5699 10-7 J

- mariana trench

U = - (GmM) 1 / 6,359 106

U = - (GmM) 1.5725 10-7 J

- Chimborazo

U = - (GmM) 1 / 6,384 106

U = - (GmM) 1.5664 10 -7 J

Here we can see that the greatest value is that of the Mariana trench

3 0

3 years ago

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A 15 kg mass is lifted to a height of 2m. What is gravitational potential energy at this position

7nadin3 [17]

Answer: 294J

Explanation:

$U_g=mg(y_f-y_i)$

$U_g=(15)(9.8)(2-0)=294J$

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3 years ago

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Assume that the Styrofoam slab and the fur are both initially neutral, and that the slab charged negatively after it is rubbed w

BARSIC [14]

Charging phenomenon is basically transfer of electrons from one system to other. When a system loses the electrons the it becomes positively charged and when a system gains electrons then it will become negatively charged

so here if slab is rub against fur then one of them will lose the electrons while other will gain the electrons and hence one will get negatively charged and other will get positive charge

Here it is given that slab get negatively charged so correct options are

<em>3. Electrons move from the fur to the slab. </em>

<em>6. The fur becomes positive after rubbing the slab. </em>

4 0

3 years ago

Bonnie and Clyde are trying to steal the world's largest diamond from a 10 story

german

Answer:

The speed Clyde will be falling at is 33.72.

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3 years ago