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LuckyWell [14K]
3 years ago
8

A student wrote the following statements about ocean waves. Statement 1: They have long wavelength. Statement 2: They are driven

by strong winds. Statement 3: They originate as high amplitude waves. Statement 4: They travel at very high speed. Which of these statements best describe the properties of tsunami waves? Select one: a. Statement 1 and Statement 2 b. Statement 1 and Statement 4 c. Statement 2 and Statement 3
Physics
1 answer:
Sergio039 [100]3 years ago
8 0
The statements which best describe the properties of tsunami waves are these: 1. THEY HAVE LONG WAVELENGTH.
2. THEY TRAVEL AT VERY HIGH SPEED.
Tsunami typically occur as a result of sudden displacement of gigantic water masses which erupted due to earthquake that occur on the sea bed. One peculiar characteristic of tsunami is the very wide distances between its wavelengths. A tsunami is a very long wavelength waves of water, its wavelength is much more greater than that of ordinary wave and can be as much as 300 kilometer. 
 Wavelength is refers to the distance between two identical points on a wave, that is, between wave crests or wave troughs. 
Tsunami also travels at very high speed; it can travel for a long period of time at high speed without losing much energy.
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Please really need help with this
Wewaii [24]

The top of the wavelength is called the crest.

8 0
4 years ago
Read 2 more answers
5.57 • Stay Dry! You tie a cord to a pail of water and swing the pail in a vertical circle of radius 0.600 m. What minimum speed
Stella [2.4K]

Answer:

The minimum speed of pail is 2.42 m/s.

Explanation:

Given that,

Radius = 0.600 m

We need to calculate the minimum speed of pail

Using centripetal force

F=\dfrac{mv^2}{r}

mg=\dfrac{mv^2}{r}

v=\sqrt{gr}

Where, v = speed

r = radius

g = acceleration due to gravity

Put the value into the formula

v =\sqrt{0.600\times9.8}

v=2.42\ m/s

Hence, The minimum speed of pail is 2.42 m/s.

8 0
4 years ago
You take a trip that covers 240 kilometers and takes 4 hours. Your average speed is
Lorico [155]

Answer:

Your average speed is 60 kilometers per hour

Explanation:

240 divided by 4 is 60

240/4=60

7 0
3 years ago
A particle has 37.5 J of kinetic energy and 12.5 J of gravitational potential energy at one point during its fall from a tree to
Varvara68 [4.7K]

Answer: 50J

Explanation:

Mechanical energy follows the same principles of kinetic energy and potential energy, it is conserved. So Ei = Ef.

Mechanical energy is the sum of ALL energy's. There is no friction, so its just kinetic plus potential.

37.5 + 12.5 = 50J

Since the particle has not touched the ground, it has not transferred any energy to the ground yet, therefore the mechanical energy must still be 50J; mostly in kinetic energy with a very small amount of potential because of the low height relative to the ground.

3 0
3 years ago
If the velocity of an object is 9 m/s and its momentum is 72 kgm/s, what is its mass
MAVERICK [17]

An object with a velocity (v) of 9 m/s and a linear momentum (p) of 72 kg.m/s, has a mass (m) of 8 kg.

<h3>What is momentum?</h3>

In Newtonian mechanics, linear momentum, or simply momentum, is the product of the mass and velocity of an object.

It is a vector quantity, possessing a magnitude and a direction.

The mathematical expression for momentum is:

p = m . v

where,

  • p is the linear momentum of the object.
  • m is the mass of the object.
  • v is the velocity of the object.

An object has a velocity (v) of 9 m/s and its linear momentum (p) is 72 kg.m/s. We will use the definition of linear momentum to calculate the mass of the object.

p = m . v

m = p / v

m = (72 kg.m/s) / (9 m/s) = 8 kg

An object with a velocity (v) of 9 m/s and a linear momentum (p) of 72 kg.m/s, has a mass (m) of 8 kg.

Learn more about linear momentum here: brainly.com/question/7538238

#SPJ1

5 0
2 years ago
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