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Ksenya-84 [330]
3 years ago
11

Answer the following question about "The Deadliest Tsunami in History."

Physics
2 answers:
Anna007 [38]3 years ago
7 0

The correct answer is - a. was a sign of danger.

Once the people saw that the ocean waters are receding and were living vast space without water behind them, they knew that something big and very dangerous will happen. And in fact it did. The water that was sucked in in the place were there was a crack on the ocean floor, got shot back under big pressure and it had very big speed, as well as having waves that were destroying anything on their way.

NeTakaya3 years ago
3 0

Answer:

Option (A)

Explanation:

Tsunamis are the series of large waves that are generated in the large water bodies such as seas and oceans, due to an earthquake, underwater explosion or landslide. These waves can rise up to a height of about hundreds of meters.

A receding ocean is a sign of danger that signifies that a tsunami is approaching. During this time the water level drops down unusually along the coastline. It is a kind of warning that is given to the people living in the coastal areas to evacuate it as soon as possible in order to save their lives.

Thus, the correct answer is option (A).

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Crystal can ride her bike 10 miles in 2.1 hours. What is her velocity
masha68 [24]

Answer:

v = 4.76 m/s

Explanation:

Given,

The distance traveled by her bike, d = 10 miles

The time of her travel, t = 2.1 m/s

The velocity of an object is defined as the distance traveled by the object to the time of travel. Therefore,

                          V = d/t   m/s

                              = 10 / 2.1

                              = 4.76 m/s

Hence, The velocity of her bike is, V = 4.76 m/s

6 0
3 years ago
What is amplitude, wavelength, and frequency?
krek1111 [17]
Wavelength- <span>distance between successive crests of a wave.

frequency- t</span><span>he rate at which something occurs or is repeated over time.

amplitude-</span><span> maximum extent of a vibration.</span>
6 0
3 years ago
The diagram shows the movement of air as a result of convection currents. At which point is the air at its highest density?
Gnesinka [82]

X

Hot air rises = it's less dense than cold air = falls

3 0
3 years ago
Read 2 more answers
a ball is thrown horizontally from the roof of a building 45m tall and lands 24m from the base what is the initial speed?
Irina-Kira [14]
Its initial speed is 7.92 m/s

6 0
3 years ago
Can Magnetic poles effects each other​
pochemuha

Answer:

Explanation:

But the reality is that: Multiple magnetic fields would fight each other. This could weaken Earth's protective magnetic field by up to 90% during a polar flip. Earth's magnetic field is what shields us from harmful space radiation which can damage cells, cause cancer, and fry electronic circuits and electrical grids.

How do magnetic poles interact? Magnetic poles that are alike repel each other, and magnetic poles that are unlike attract each other. The area of magnetic force around a magnet. The magnetic field lines spread out from the north pole, curve around, and return to the south pole.

When two magnets are brought together, the opposite poles will attract one another, but the like poles will repel one another. This is similar to electric charges. The earth is like a giant magnet, but unlike two free hanging magnets, the north pole of a magnet is attracted to the north pole of the earth.

Magnetic forces are non contact forces; they pull or push on objects without touching them. Magnets are only attracted to a few 'magnetic' metals and not all matter. Magnets are attracted to and repel other magnets.

(hope this helps can i plz have brainlist :D hehe)

3 0
3 years ago
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