PHYSICS HIGH SCHOOL

How strong does an earthquake have to be to cause a tsunami

Answers

Answer 1

Answer:

Answer:

An earthquake with the magnitude of more than 7.5 on the Richter scale can cause to a destructive Tsunami.

Explanation:

According to International Tsunami Information center, the cause of the most destructive tsunami is shallow and large earthquake with the epicenter or fault line on the ocean floor or near the ocean floor.
When the tectonic plates (are pieces of earth's crust and uppermost mantle) are collided with each other then the earthquake occurs. This results in the displacement of large area of ocean floor from few km to 1000 km or more. This displacement of ocean floor in the formation of tsunami waves.
Like in the 1960, the tsunami in Chile was resulted due to earthquake with the magnitude of 9.5 on Richter scale with rupture area of over 1000 km. This tsunami not only cause destruction in Chile but also affected the other countries like Japan.

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1 kg of rice is weighed by
D= ((vf+vi)/2) t Solve for vi
Find the slope of the line that passes through the pair of points (6, 7) and (9, 2). Find the slope of the line that passes through the pair of points (17, 9) and (5, 29).
What are the fundamental units involved in a unit of the given derived quantitiesDensity Acceleration Force Pressure Work
Water, with a density of rho = 1145 kg/m 3 , flows in a horizontal pipe. In one segment of the pipe, the flow speed is v 1 = 7.33 m/s . In a second segment, the flow speed is v 2 = 1.57 m/s . What is the difference between the pressure in the second segment ( P 2 ) and the pressure in the first segment ( P 1 )?

The quantum mechanical model of the atom ____. a. defines the exact path of an electron around the nucleus b. was proposed by Niels Bohr c. involves finding an electron somewhere in a specific orbital d. has many analogies in the visible world

Answers

Answer:

Quantum mechanical model = involves finding an electron somewhere in a specific orbital.

Explanation:

The quantum mechanical model of an atom involves finding an electron somewhere in a specific orbital. This method is completely based on mathematical calculations. It defines the probability of finding an electron rather than its reality.

These are designated by some letters like s, p, d, f...... and the corresponding energy levels are 1st, 2nd, 3rd and so on.....

So, the correct option is (c) "involves finding an electron somewhere in a specific orbital".

c. involves finding an electron somewhere in a specific orbital

The direction of motion for a series of wave fronts is represented with a(n) _____.wavelength
ray
crest
trough

Answers

The direction of motion for aseries of wave fronts is represented with a ray. A ray is a line extendingoutward from the source representing the direction of propagation of the waveat any point along it. They are perpendicular to the wave fronts.

Answer:

The direction of motion for a series of wave fronts is represented with a(n) ray

Explain the difference between the following three substances: carbon c. , carbon dioxide (CO2), and oxygen (O2)

Answers

Carbon and oxygen are diatomic atoms. Carbon is made up of two elements.

Answer:

Carbon and oxygen are diatomic atoms. Carbon is made up of two elements.

Explanation:

At what phase or phases could water exist at 4.579mm pressure and 0.0098°C?A) solid phase
B) liquid phase
C) solid, liquid and gas phases
D) no phases are present at this point

Answers

The correct answer is A. The water at this conditions is in the solid phase. This can be verified by using a phase diagram. A phase diagram is a figure which shows the phases of a certain substance at a specific temperature and pressure.

Answer:

The answer is C) solid, liquid and gas phases

Explanation:

This point is called the triple point bc solid, liquid, and gas phases can exist together.

hope this helps :)

True or false one of the benefits of using an exercise ball is generally involves the core muscles?

Answers

the answer is true improve core stability

This is true in many cases, but not all. There are exercises in which you simply raise and lower an exercise ball over your head (kind of like weight lifting), but whenever the ball is in front of you and you reach out at all with your arms, that is a core workout.

A water skier has a mass of 79.0 kg and accelerates at 1.40 m/s2. What is the net force acting on him? F = ___ NAnswer choices
56.4
111
77.6
0.018
80.4
774.2

Answers

The answer is 111.

Using Newton's Second Law, F=ma, plugging known values in we get:

F = (79kg)(1.4m/s^2) = 110.6N ≈ 111N

Final answer:

The net force acting on the water skier, calculated using Newton's second law (F=ma), is approximately 111 Newtons.

Explanation:

The net force acting on the water skier can be calculated using Newton's second law, which states that force equals mass times acceleration (F=ma). In this instance, the skier's mass (m) is 79.0 kg and his acceleration (a) is 1.40 m/s2.

By multiplying these values together (F = 79.0 kg * 1.40 m/s2), we find that the net force acting on him is 110.6 Newtons (N). However, this exact value is not listed in the answer choices. Among the given choices, 111 N would be the closest approximation to the calculated value.

Learn more about Net Force here:

brainly.com/question/18031889

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