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3 years ago

If you are a cartographer, what will give you an idea that the continents were once joined?

Physics

2 answers:

ELEN [110]3 years ago

5 0

Answer:

If I am a cartographer, I can tell that continents are once joined because of the shape of the continents that once you observe their sides, it's like a puzzle.

Explanation:

Varvara68 [4.7K]3 years ago

3 0

This is because when you align the coastlines of the continents, they appear to fit together pretty well. the most likely separated from natural disasters such as earthquakes, etc.

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How fast would you have to travel on the surface of earth at the equator to keep up with the sun (that is, so that the sun would

professor190 [17]

Answer: 1037 miles per hour

Explanation: In order to see the sun in the same position in the sky, you would have to travel against the speed of rotation of the earth, because this is what causes the sun to appear in a constantly changing position.

Because of this, we will have to calculate the speed of rotation of the earth. To get started, we must know the circumference of the earth. Assuming the circumference formula for a sphere,

$Circumference=2\pi R$

Where R is the radius of the earth, we find that the perimeter of the earth is approximately 24881 miles. The equation to calculate speed is given by

$v=\frac{Distance}{Time}$

Because the earth completes one rotation in 24 hours, we have to find the speed of rotation as the perimeter of the earth divided by 24 hours.

The obtained result is 1037 miles per hour.

You would have to travel at 1037 miles per hour in the direction opposite to the direction the rotation is ocurring in.

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Shadow and eclipses result from

Basile [38]

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${\green{\dashrightarrow}}$ When an opaque obstacle is placed between a source of light and a screen, a shadow of the obstacle is formed on the screen. The kind of shadow depends on the size of the source of light. In other words, the earth casts its shadow on the moon. The solar eclipse occurs when the moon comes between the sun and the earth.

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MakcuM [25]

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