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Umnica [9.8K]
3 years ago
15

What best describes the difference between the second sound wave and the first?

Physics
1 answer:
Vikki [24]3 years ago
8 0
Missing an attached sheet with the sound waves. Please add the attached sheet so I can properly help.

Thanks! :D
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How does energy travel in a mechanical wave?
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Answer:

In a medium

Explanation:

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3 years ago
After a magnetic field is applied, how many energy levels would you expect for then=3,ℓ=2 state, including electron spin?
zloy xaker [14]

Answer:

The energy level is 5.

Explanation:

Given that,

n = 3

l = 2

We know that,

l shows the number of sub-shells and define the number of angular nodes.

n shows the number of electron shell.

m_{l} is a quantum number. It is define the number of energy level in a sub-shells .

m_{s} is define the spin of the electron.

So, The quantum number is

m_{l}=-2,-1,0,1,2

m_{s} is +\dfrac{1}{2} and -\dfrac{1}{2} for every energy level.

The energy level is 5.

Hence, The energy level is 5.

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3 years ago
Brianna pushes a 20 kg box with a force of 50N to achieve an acceleration of 2.5 m/s/s. In order to push a 30 kg box at the same
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Answer:

She applies 75N of force

Explanation:

F=ma

50=20(2.5)

F=30(2.5)

F=75 N

5 0
3 years ago
Which of the following is a heterogeneous mixture?
Reil [10]
That would be Italian dressing because it does not mix completely therefore it is the definition of a heterogeneous mixture
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3 years ago
- A ship's total weight is equal to the weight of the water it displaces. If you want to calculate the
frosja888 [35]

Answer:

c. the volume of the part of the ship that lies below the water's surface.

Explanation:

As stated in the problem, Archimedes' Principle tells us that that buoyant force on an object is equal to the weight of fluid it displaces.  The volume of water that a ship displaces is the volume it occupies below the surface.

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3 years ago
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