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3 years ago

What is the difference between solar and lunar eclipse?

1 answer:

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A lunar eclipse happens on the moon, when the moon sails through the Earth's wide, fat shadow. Then, for a while, no sunlight can reach the moon, because the Earth is in the way. Anybody on the night side of Earth who looks up toward the moon sees it turn dark, until it sails out of the Earth's shadow after an hour or two.

A solar eclipse happens on the Earth, when the narrow end of the moon's skinny shadow falls somewhere on the surface of the Earth. Then, people who are inside that small spot and look up toward the sun can't see it, because the moon is in the way. The moon is moving so fast, and its shadow is so small, that this can only last for a few minutes at any one place.

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P and S waves from an earthquake travel at different speeds, and this difference helps locate the earthquake "epicenter" (where

Studentka2010 [4]

Answer:

(a) Since both P and S wave travels the same distance, so it can be written as: Δx = V₁t₁ = V₂t₂,

Where, V₁- Speed of S wave

V₂- Speed of P wave

t₁- time taken by S wave

t₂- time taken by P wave

Therefore, t₁ > t₂ (since, time taken by S wave is longer than P wave)

⇒ t₁ = t₂ + 1.5 min

⇒ t₁ = t₂ + 90 sec

⇒ V₁ (t₂ + 90 sec) = V₂ (t₂)

⇒ V₁t₂ + V₁ (90 sec) = V₂ (t₂)

⇒ V₂t₂ - V₁t₂ = V₁ (90 sec)

⇒ t₂ (V₂- V₁) = V₁ (90 sec)

⇒ t₂ = {V₁ (90 sec)} ÷ {(V₂- V₁)}

⇒ t₂ = {5.5 × (90 sec)} ÷ {(8.5 - 5.5)}

Therefore, t₂ = 165 sec

Since, Δx = V₁t₁ = V₂t₂

Now, Δx = V₂t₂ = (8.5 × 165 sec)

⇒ Δx = 1402 km

Therefore, Δx is approximately 1400 km (this means that the earthquake occurred at a distance of about 1400 km from the recorded seismic station)

(b) No, Only seismic station is not sufficient to detect the epicenter of an earthquake. Seismologists and geologists usually use the triangulation method in order to determine the exact location of the epicenter. This is possible by the use of three seismographs that are placed at three different locations nearby to that earthquake occurring position.

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3 years ago

Problem 3. In meteorology, what is meant by the term "inversion"? Give an example of where in the atmosphere you might find an i

lisov135 [29]

Answer:

<u>Inversion is found in upper layer sf troposphere.</u>

Explanation:

When there is a decrease temperature t every 3.5 degrees for every 100 feet. As when this normal cycle is present the air said to be unstable and constantly flows between the warm and cold areas.

During inversion temperature decrease with the increasing altitudes. temperature inversion can occur in areas of coastal origins due to the upwelling of cold waters.

Topography plays a role as cold and cool air flows from the mountain peaks down into valleys. This cold air then is pushed back due to the warm and lighter air mass and hence creating an invention.

Inversions can also form in areas with significant snow cover as the ground is cold white color reflects most of the sunlight.

8 0

3 years ago

Referat fructe va roog dau coroana

atroni [7]

Answer:what

Explanation:

6 0

3 years ago

Which prop would be most appropriate on the set of Brighton Beach Memoirs to indicate that the play takes place in 1937? a black

marin [14]

Answer:

The most appropriate choice on the set of Brighton Beach Memoirs to indicate that the play takes place in 1937 would be:

a black-and-white photograph of the New York Yankees

Explanation:

To understand this answer we need to evaluate the rest of them. First of all, none of them would be black and white in an era of black and white pictures. Second, the pitcher filled with lemonade would not indicate the time. Third, the wood-burning stove would be from an earlier time and the color television would be from a more recent time, also both would not match their own time. Therefore, the picture is the correct answer.

5 0

3 years ago

Read 2 more answers

Which of the following statements about map types is false

Ugo [173]

There are no true statements on that list at all.

5 0

3 years ago