3 years ago

Why does the area around the equator stay the same temperature year-round

Physics

1 answer:

Morgarella [4.7K]3 years ago

5 0

I would say because it is at the same point from the sun all year. It doesn’t turn away from the sun or towards it.

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True or false? Once the sun explodes, the whole solar system will go with it.

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True. That is how powerful the sun is. But it will explode in only about 5 billion years.

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The heart working with the blood vessels to pump blood is which body system?

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A car moving with an initial speed v collides with a second stationary car that is one-half as massive. After the collision the

Mashutka [201]

Answer:

4v/3

Explanation:

Assume elastic collision by the law of momentum conservation:

$m_1v = m_1v_1 + m_2v_2$

where v is the original speed of car 1, v1 is the final speed of car 1 and v2 is final speed of car 2. m1 and m2 are masses of car 1 and car 2, respectively

Substitute $m_2 = m_1/2 \& v_1 = v/3$

$m_1v = \frac{m_1v}{3} + \frac{m_1v_2}{2}$

Divide both side by $m_1$ , then multiply by 6 we have

$6v = 2v + 3v_2$

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$v_2 = \frac{4v}{3}$

So the final speed of the second car is 4/3 of the first car original speed

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MArishka [77]

Answer:

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what happens to the gravitational force when the distance between them stays the same and the mass of both objects is doubled

Dimas [21]

Answer:

The strength of the gravitational force between two objects depends on two factors, mass and distance. the force of gravity the masses exert on each other. If one of the masses is doubled, the force of gravity between the objects is doubled. increases, the force of gravity decreases.

Explanation:

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