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Ilya [14]
3 years ago
7

Static Electrictiy __________?​

Physics
1 answer:
rosijanka [135]3 years ago
5 0
Is an imbalance of electric charges within or on the surface of a material.
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What is the relation between acceleration due to gravity and radius of the earth? ​
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Answer:

As the earth is an oblate spheroid, its radius near the equator is more than its radius near poles. Since for a source mass, the acceleration due to gravity is inversely proportional to the square of the radius of the earth, it varies with latitude due to the shape of the earth.

Formula: g = GM/r2

Dimensional Formula: M0L1T-2

Values of g in SI: 9.806 ms-2

Explanation:

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Which statement best describes an atom?
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1. The speed is at a constant rate same with the acceleration and velocity

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Why do you sometimes get shocked by static electricity? Explain how it happens and give an example.
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That tiny shock you feel is a result of the quick movement of these electrons. You can think of a shock as a river of millions of electrons flying through the air. ... Static electricity happens more often during the colder seasons because the air is drier, and it's easier to build up electrons on the skin's surface.

Explanation:

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A 0.09 g honeybee acquires a charge of +23 pc while flying. The earth's electric field near the surface is typically (100 N/C, d
hodyreva [135]

Answer:

2.6\times 10^{-5}

Explanation:

<u>Given:</u>

  • m = mass of the honeybee = 0.09 g = 9\times 10^{-5}\ kg
  • q = charge on the honeybee = 23 pC = 2.3\times 10^{-11}\ C
  • E = electric field near the surface of earth = 100 N/C

<u>Assume:</u>

  • g = acceleration due to gravity = 9.8\ m/s^2
  • W = weight of the honeybee
  • F = electric force on the honeybee
  • R = ratio of the electric force and the weight of the honeybee

We know that

F = qE\,\,\, and\,\,\, W = mg\\\therefore R = \dfrac{F}{W}\\\Rightarrow R = \dfrac{qE}{mg}\\\Rightarrow R = \dfrac{2.3\times 10^{-11}\ C\times 100 N/C}{9\times 10^{-5}\ kg\times 9.8\ m/s^2}\\\Rightarrow R = 2.6\times 10^{-6}

So, the ration of the electric force on the bee to its weight is 2.6\times 10^{-6}.

On multiplying this ration by 10, the ratio becomes 2.6\times 10^{-5}.

8 0
3 years ago
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