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2 years ago

Which statement describes a surface wave?

Physics

2 answers:

nexus9112 [7]2 years ago

8 0

The answer would be c because a surface wave travels between two different materials, like air and water.

Svet_ta [14]2 years ago

6 0

Answer:

A surface wave is a wave that moves along the interface of two different materials, like air and water.

Explanation:

A surface wave (from its name) travels on a surface that is found between two different materials.

The motion of the particles of a surface wave is either in the form of ellipse (elliptical motion) or circle (circular motion.

The motion of the particles of a surface wave is considered to be a combination of both transversal motion and longitudinal motion.

Hope this helps :)

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Can an object contain heat? Why or why not?

Stells [14]

Every object has thermal energy (better word than heat, since we associate that with high temperatures). This is actually the molecules vibrating, moving a lot. More thermal energy means more vibrating, and thus also expanding in volume.

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3 years ago

This diagram is a model of the nitrogen atom.

andrey2020 [161]

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2 years ago

How you can change the state of matter of the substance in the container.

Deffense [45]

Answer:

Change in the shape size volume and state of a substance

When a solid is heated, it turns into a liquid. As a liquid, a substance has a fixed volume, but its shape changes to fill the shape of its container. For instance, a glass of water is the liquid state of water. ... Gas expands to fill the shape and volume of its container.

Explanation:

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2 years ago

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The density of mercury is 13.6 g/ml. what is its density in lbs/L

solong [7]

Answer:

can u send a picture to identify it

Explanation:

sorry I just need point:/

4 0

3 years ago

Two electrons travel towards each other at 0.2 c parallel to the laboratory x-axis. What is the relative velocity of one electro

Leya [2.2K]

1) In the reference frame of one electron: 0.38c

To find the relative velocity of one electron with respect to the other, we must use the following formula:

$u'=\frac{u-v}{1-\frac{uv}{c^2}}$

where

u is the velocity of one electron

v is the velocity of the second electron

c is the speed of light

In this problem:

u = 0.2c

v = -0.2c (since the second electron is moving towards the first one, so in the opposite direction)

Substituting, we find:

$u'=\frac{0.2c+0.2c}{1+\frac{(0.2c)(0.2c)}{c^2}}=\frac{0.4c}{1+0.04}=0.38c$

2) In the reference frame of the laboratory: -0.2c and +0.2c

In this case, there is no calculation to be done. In fact, we are already given the speed of the two electrons; we are also told that they travel in opposite direction, so their velocities are

+0.2c

-0.2c

5 0

3 years ago