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3 years ago

How does Static Electricity happen? Please provide 3 Real Life Examples of Electro Static Electricity.

Physics

1 answer:

andriy [413]3 years ago

5 0

Explanation:

When two materials come in contact with each other , there occurs the movement of electrons from one material to other , hence , there is an excess positive charge on one of the material , and hence lead to static electricity .

Examples -

brushing dry hairs via a plastic comb can generate static electricity .
Clothes stuck to one another in the dryer
Walking on the floor with carpet and touching a door can lead to a shock , due to static electricity .

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Finish the sentence below with the word that makes the sentence true.

Keith_Richards [23]

Answer:

Animals must eat other plants or animals to obtain the energy stored in the food

Explanation:

One classification of living organisms, according to the way they obtain energy, is that of autotrophs and heterotrophs. The first group is represented by plants, which process their own nutrients from inorganic matter.

Animals -heterotrophes- are unable to process their own nutrients, so they must obtain them from other organisms, either plants or animals. External food sources provide them with nutrients, which contain the energy substrate needed to perform their vital functions.

Learn more:

Autotrophs and heterotrophs brainly.com/question/7695115

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3 years ago

When you drop a paper clip, why doesn't it fall toward you instead of toward Earth?

svetoff [14.1K]

Because gravity has been known to define as a force of attraction between things that have mass.

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3 years ago

A cord is attached to the box and run through a pulley directly above the box, so that the cord is vertical. The free end of the

Harman [31]

Answer:

The answer is given here would be a simplified equation, seeing as there are some missing variables in the question.

F1 = T- 46, 674.656 gm/s²

Explanation:

Note: Once we have the mass of the second object and/or acceleration of the cord, we can solve for the force of the ground acting on the box.

To calculate the force caused by gravity on the basic pulley system we use the following equation:

F2 = M2 x g; where g= gravitational acceleration (a constant equal to 9.8 m/s²). The mass M2 = 10.5 lb = 4762.72g

∴ F2 = 4762.72g x 9.8 m/s²

= 46, 674.656 gm/s² or 46, 674.656 N

But since this F2 is acting in a downlowrd direction, it would be negative.

Tension of the cord, T = Mass, x × acceleration. ( x is in the pulley diagram)

⇒ F1 = T - F2

F1 = T- 46, 674.656 gm/s²

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3 years ago

whats an isotope? give the number of protons, neutrons, and electrons in a neutral atom of each of the following isotopes, Carbo

melamori03 [73]

Isotopes refer to different atoms of the same element (i.e. same number of protons) that differ in the number of neutrons they have (giving them different atomic weights). Atomic weight is the sum of protons and neutrons (each contributes 1 atomic mass unit).

Carbon has 6 protons by definition. If you have a carbon-13 atom (the 13 referring to its mass), the atom has 13 - 6 = 7 neutrons. Since it's neutral, protons = electrons, so there are also 6 electrons.

Sulfur has 16 protons by definition. If you have a sulfur-32 atom, the atom has 32 - 16 = 16 neutrons. Since it's neutral, protons = electrons, so there are also 16 electrons.

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3 years ago

At what angle torque is half of the max

denis-greek [22]

At what angle torque is half of max

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3 years ago