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densk [106]
4 years ago
10

"In the diagram below, point P is located in the electric field between two oppositely charged parallel plates.

Physics
2 answers:
egoroff_w [7]4 years ago
6 0

Explanation :

From the given figure, point P is located in the electric field between two oppositely charged parallel plates.

If an electron is placed at point P, it will repel by the negative plate of the capacitor and will move towards positive plate i.e. from the negative plate to positive plate.

Similarly, when a proton is placed at point P, it will attract towards the negative plate i.e. the direction of the proton will be from positive plate to negative plate.

We know that the electrostatic force is inversely proportional to the square of the distance.

So, the electrostatic force on a proton placed at point P has a greater magnitude and the opposite direction".

olya-2409 [2.1K]4 years ago
5 0
As proton is heavier then electron, and electrostatic force is directly proportional to mass, so it would be greater and direction would be changed 'cause of different charges.

In short, Your Answer would be Option 4

Hope this helps!
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Which best describes how energy changes form in a car's engine?
andrezito [222]

Answer:

Multiple transformations occur because the chemical energy of the fuel is changed to several forms of energy

Explanation:

In a car engine, multiple energy transformation takes place. The chemical energy storef in fuel is transformed into mechanical energy which helps move the wheels of the vehicle.

The mechanical energy can also be transformed into electrical energy through a sort of dynamo system in vehicles. Stereo players use the electrical energy to produce sound.

We see that multiple energy conversions are common in a motor car.

6 0
4 years ago
Read 2 more answers
A merry-go-round spins freely when Diego moves quickly to the center along a radius of the merry-go-round. As he does this, it i
lianna [129]

Answer:

<em>A) the moment of inertia of the system decreases and the angular speed increases. </em>

Explanation:

The complete question is

A merry-go-round spins freely when Diego moves quickly to the center along a radius of the  merry-go-round. As he does this, It is true to say that

A) the moment of inertia of the system decreases and the angular speed increases.

B) the moment of inertia of the system decreases and the angular speed decreases.

C) the moment of inertia of the system decreases and the angular speed remains the same.

D) the moment of inertia of the system increases and the angular speed increases.

E) the moment of inertia of the system increases and the angular speed decreases

In angular momentum conservation, the initial angular momentum of the system is conserved, and is equal to the final angular momentum of the system. The equation of this angular momentum conservation is given as

I_{1} w_{1} = I_{2} w_{2}    ....1

where I_{1} and I_{2} are the initial and final moment of inertia respectively.

and w_{1} and w_{2} are the initial and final angular speed respectively.

Also, we know that the moment of inertia of a rotating body is given as

I = mr^{2}    ....2

where m is the mass of the rotating body,

and r is the radius of the rotating body from its center.

We can see from equation 2 that decreasing the radius of rotation of the body will decrease the moment of inertia of the body.

From equation 1, we see that in order for the angular momentum to be conserved, the decrease from I_{1} to I_{2} will cause the angular speed of the system to increase from w_{1} to w_{2} .

From this we can clearly see that reducing the radius of rotation will decrease the moment of inertia, and increase the angular speed.

7 0
4 years ago
I WILL MARK YOU THE BRAINLIEST NO LINKS
nasty-shy [4]

yeah it definitely 2 .:) :)

3 0
3 years ago
If the kinetic and potential energy in a system are equal, then the potential energy increases. What happens as a result?
andrew11 [14]

Answer:

energy of motion decrease

Explanation:

yes

7 0
3 years ago
If a kestrel eats a mouse that eats grass the kestrel is a
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