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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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An capacitor consists of two large parallel plates of area A separated by a very small distance d. This capacitor is connected t

scoundrel [369]

Answer:

Will be doubled.

Explanation:

For a capacitor of parallel plates of area A, separated by a distance d, such that the charges in the plates are Q and -Q, the capacitance is written as:

$C = \frac{Q}{V} = e_0\frac{A}{d}$

where e₀ is a constant, the electric permittivity.

Now we can isolate V, the potential difference between the plates as:

$V = \frac{Q}{e_0} *\frac{d}{A}$

Now, notice that the separation between the plates is in the numerator.

Thus, if we double the distance we will get a new potential difference V', such that:

$V' = \frac{Q}{e_0} *\frac{2d}{A} = 2*( \frac{Q}{e_0} *\frac{d}{A}) = 2*V\\V' = 2*V$

So, if we double the distance between the plates, the potential difference will also be doubled.

6 0

2 years ago

Can someone please help me?? i’ll give brainilist

Ksivusya [100]

Probably 90 j but im not sure I haven’t done any work like this in a while

7 0

2 years ago

HELP PLEASE!!!

Leya [2.2K]

For the first one 320

second

1200W

Data

R = 12 Ω ∆V = 120V I =? P =?

Solution:

According to Ohm’s law,

∆V = I R

I = ∆V / R

= 120 / 12

= 10 A

Power P = I ∆V

= 10 x 120

= 1200 W

Third

∆V = 120 V P = 60 W I =? R =?

Use the formula, P = I ∆V

I = P / ∆V = 60 / 120 = 0.5 A

∆V = I R

R = ∆V / I = 120 / 0.5 = 240 Ω

3 0

3 years ago

A rectangular plate, whose streamwise dimension (or chord c) is 0.2 m and whose width (or span b) is 1.8 m, is mounted in a wind

34kurt

Answer:

Answer for the question is given in the attachment.

Explanation:

Download pdf

4 0

2 years ago

_____ is the frictional force needed to slow an object in motion

s2008m [1.1K]

Answer:

Drag force is the frictional force needed to slow an object in motion

Explanation:

8 0

3 years ago

Read 2 more answers