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Elena-2011 [213]
2 years ago
6

The majority of which type of dancing was created in African American communities?

Physics
2 answers:
matrenka [14]2 years ago
8 0

Answer:

swing dances

Explanation:

Naddika [18.5K]2 years ago
4 0

Answer:

swing

Explanation:

It began in African American communities as vernacular African American dances

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A battery is used to charge a parallel-plate capacitor, after which it is disconnected. Then the plates are pulled apart to twic
Igoryamba

Answer: C.

Explanation:

For a parallel-plate capacitor where the distance between the plates is d.

The capacitance is:

C = e*A/d

You can see that the distance is in the denominator, then if we double the distance, the capacitance halves.

Now, the stored energy can be written as:

E = (1/2)*Q^2/C

Now you can see that in this case, the capacitance is in the denominator, then we can rewrite this as:

E = (1/2)*Q^2*d/(e*A)

e is a constant, A is the area of the plates, that is also constant, and Q is the charge, that can not change because the capacitor is disconnected.

Then we can define:

K = (1/2)*Q^2/(e*A)

And now we can write the energy as:

E = K*d

Then the energy is proportional to the distance between the plates, this means that if we double the distance, we also double the energy.

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3 years ago
A helicopter travels from point C to point A to perform a medical supply drop. The helicopter then needs to land at point B. How
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Answer:

32 degrees

Explanation:

8 0
3 years ago
if 1.5kg block is pulled across a horizontal surface that has a coefficient of kintic friction of 0.60. if a block is pulled by
inysia [295]

Answer:

3.2N

Explanation:

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Mass of block  = 1.5kg

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Unknown:

Net force on the block  = ?

Solution:

Frictional force is a force that opposes motion:

  Net force  = Force of pull  - Frictional force

 Frictional force  = umg

   u is coefficient of kinetic friction

   m is the mass

    g is the acceleration due to gravity

 Frictional force  = 0.6 x 1.5 x 9.8  = 8.8N

 Net force  = 12N  - 8.8N  = 3.2N

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B. relative humidity
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igor_vitrenko [27]

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Explanation:

7 0
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