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pentagon [3]
3 years ago
7

You rub a balloon in your hair. Then, the balloon can stick to a wall. The balloon acquires a charge through _____.

Physics
2 answers:
Delvig [45]3 years ago
6 0
It acquires a charge through electrons.

Hope this helps!!!^_~!!!
Ilia_Sergeevich [38]3 years ago
5 0

Answer:

Friction

Explanation:

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Apply the law of conservation of energy and describe the energy transformations that occur as you coast down a long hill on a bi
m_a_m_a [10]
As you coast down a long hill on your bicycle, potential energy from your height is converted to kinetic energy as you and your bike are pulled downward by gravity along the slope of the hill. While there is air resistance and friction slowing you down by a little bit, your speed increases gradually until you apply the brakes, causing enough friction to slow yourself and the bike to a stop at the bottom.

A roller coaster will have higher kinetic energy at the lower hill because it will have already been moving as opposed to the initial hill. But I'm not one hundred percent certain. You can always google this stuff, but I do know for sure that at the first hill, the roller coaster will have higher potential energy.
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4 0
3 years ago
How many times louder is the intensity of sound at a rock concert in comparison with that of a whisper, if the two intensity lev
Phoenix [80]

Answer:

 5 × 10¹⁰ or 5 billion times louder is the intensity of sound at a rock concert in comparison with that of a whisper

Explanation:

Given that at a rock concert;

the intensity of sound is 110 dB compared to a whisper of 3 dB

Now; how many times louder will that of the whisper be compared to the sound of the rock concert

Using the formula for calculating decibels (dB);

For 110 dB

dB = 10log₁₀(W)

110 dB =  10^{(110/10)}

110 dB = 10¹¹

For 3dB

dB = 10log₁₀(W)

3 dB = 10^{(3/10)}

3 dB = 2

Now:

(110/3)dB = 10¹¹/2

(110/3)dB =  5 × 10¹⁰ or 5 billion times louder is the intensity of sound at a rock concert in comparison with that of a whisper

7 0
3 years ago
How does dance use energy to influence motion?
Goshia [24]
Solar system energy. electoral power engery motion force engery . wind energy. kinetic energy
8 0
3 years ago
Is electron positive
castortr0y [4]
No the electron is a negative.

The proton is the positive.

Hope this helps!
8 0
3 years ago
Read 2 more answers
What are the differences between glaciers and geysers
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A glacier is frozen and a geyser has boiling water coming from it. A glacier is usually still but it sometimes breaks and a geyser erupts. Also geysers are mostly rare and glaciers aren't.

7 0
3 years ago
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