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AlekseyPX
3 years ago
6

When charges build up on a surface they:

Physics
2 answers:
uysha [10]3 years ago
7 0
I believe the correct answer from the choices listed above is the third option. When charges build up on a surface they, apply a force to charges wandering nearby and <span>create an electric field. </span>

Hope this answers the question. Have a nice day.
Natasha2012 [34]3 years ago
6 0

Answer: A and B

Explanation:

An electric field develops around a charge. The electric field lines represent the region in space where a positive test charge experiences an electric force. A electric force exists between  the two charges.

Thus, when charges build up on a surface, they apply force to charges wandering nearby and also create electric field. So, correct option is Both A and B.

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Elina [12.6K]

Answer:

Explanation:

6000 km

6 0
3 years ago
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A man pushes a shopping cart across a level floor. What force resists the effort force? A) gravity B) friction C) the normal for
Kipish [7]

Answer:

B) Friction

Explanation:

Friction is a force that acts when an object is sliding along a surface. Microscopically, this force is due to the fact that the two surfaces are not perfectly smooth, but they have "imperfections" that cause a force that opposes the motion of the object.

For an object sliding on a flat surface, the force of friction has magnitude:

F_f = \mu_k mg

where

\mu_k is the coefficient of kinetic friction

m is the mass of the object

g is the acceleration of gravity

The direction of the force of friction is always opposite to the direction of motion of the object.

In reality, friction also acts if the object is at rest and it is pushed by a force; in this case, we talk about static friction, and its magnitude is

F_f = \mu_s mg

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8 0
3 years ago
Positive feedback interactions in earth’s systems are always a result of human action. T/F
VLD [36.1K]

Positive feedback interactions in earth’s systems are always a result of human action is a FALSE statement.

<u>Explanation:</u>

Earth is a unstable equilibrium which tends to move out of equilibrium, but several other factors try to bring it back in equilibrium again. Earth has a different actions going on both on its surface and also inside it.

Human can alter, or can modify a very small part of the events that occur on earth’s surface. But they don’t have any control on what’s going inside earth’s core. So positive feedback interactions are not only the results of human interaction, but also different other factors.  

4 0
3 years ago
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svet-max [94.6K]

Answer:

By Gaining Electrons

Explanation:

A nuetral atom is negative when it gains electrons, and it can be positive when it loses electrons.

4 0
2 years ago
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podryga [215]
First, you find what 20% of 10 gallons of gas would be. This will show how many gallons the car actually uses.
10 gallons x 20% =
10 x 0.20 =
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Then you subtract that number from the total 10 gallons to get how many gallons of gas would be wasted.
10 gallons - 2 gallons = 
8 gallons of gas wasted
4 0
3 years ago
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