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asambeis [7]
3 years ago
7

Two positive charges are equal. Which has more electric potential energy?

Physics
2 answers:
Maurinko [17]3 years ago
8 0
<h2>Answer 1 with Explanation </h2>

Electric potential vitality is the vitality that is expected to move a charge against an electric field. You need more vitality to move a charge further in the electric field, yet in addition more vitality to move it through a more grounded electric field. Envision that you have a colossal contrarily charged plate, with a little emphatically charged molecule adhered to it through the electric power. There's an electric field around the plate that is pulling all emphatically charged items toward it (while pushing other adversely charged articles away). You take the positive molecule, and begin to pull it off the plate, against the draw of the electric field. It's diligent work, on the grounds that the electric power is pulling them together.

<h2>Answer 2 with Explanation </h2>

On the off chance that you let the positive molecule go, it would snap back to the negative plate, pulled by the electric power. The vitality that you used to move the molecule far from the plate is put away in the molecule as electrical potential vitality. The potential the molecule needs to move when it's given up. In the event that you pulled the positive molecule further far from the plate, you would need to utilize more vitality, so the charge would have increasingly electrical potential vitality put away in it. In the event that we multiplied the charge on the plate, once more, you would require more vitality to move the positive molecule. On the off chance that we multiplied the charge on the positive molecule, you would require more vitality to move it. You get the thought. Envision that rather than an adversely charged plate, our plate is decidedly charged. Our positive molecule would be pushed far from the plate since they are both decidedly charged. This time, we need to put in vitality to endeavor to draw the molecule nearer to the plate, rather than to pull it away. The closer we endeavor to move it to the plate, the more vitality we need to put in, so the more electrical potential energy the particle would have.

Xelga [282]3 years ago
7 0

Electrostatic potential energy of a system of charge is given by

U = \frac{kq_1q_2}{r}

here we have

q_1,q_2 = two charges of different magnitudes

r = distance between charges

so here we can see that electrostatic potential energy will depends upon the product of two charges and inversely depends upon the distance between the two charges

So here we can say that the electrostatic potential energy of two charges will be same and equal to each other

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An object is thrown directly up (positive direction) with a velocity (vo) of 20.0 m/s and do= 0. How high does it rise (v = 0 cm
Anit [1.1K]

Answer:

The value of d is 20.4 m.

(C) is correct option.

Explanation:

Given that,

Initial velocity = 20 m/s

Final velocity = 0

We need to calculate the time

Using equation of motion

v = u+gt

Where, u = Initial velocity

v = Final velocity

Put the value into the formula

t = \dfrac{20}{9.8}

t= 2.04\ sec

We need to calculate the distance

Using equation of motion

s = ut+\dfrac{1}{2}gt^2

s=0+\dfrac{1}{2}\times9.8\times(2.04)^2

s=20.4\ m

Hence, The value of d is 20.4 m.

4 0
3 years ago
Would you expect to observe every supernova in our own Galaxy? Why or why not?
Taya2010 [7]

Explanation:

Only few supernova are observed in our galaxy -

Type II supernovae ( i.e. the explosions of the massive stars ) occurred in the Milky Way, and they might be hidden by the intervening dust if they are located in the more distant parts of our Galaxy .

Type Ia supernovae , which need a white dwarf star in the binary star system , are brighter than the type II supernovae , but some of them could also happen in the older parts of Galaxy which are hidden due to the buildup of the dust and gas .

3 0
2 years ago
1. write the meaning of the following terms:electrostatic,neutral, positively charged, negatively charged, coulomb,microcoulomb,
dybincka [34]

ELECTROSTATIC:

relating to stationary electric charges or fields as opposed to electric currents.

NEUTRAL:

nor negative nor positive/having no charge

POSITIVELY CHARGED:

positive charge occurs when the number of protons exceeds the number of electrons

NEGATIVELY CHARGED:

negative charge occurs when the number of electrons exceeds the number of protons.

COULOMB:

SI unit for electric charge. One coulomb is equal to the amount of charge from a current of one ampere flowing for one second.

MICROCOULOMB:

a unit of electrical charge equal to one millionth of a coulomb.

NANOCOULOMB:

Nanocoulombs are a unit of charge 1,000,000,000 times smaller than Coulomb.

CONSERVATION OF CHARGE:

constancy of the total electric charge in the universe or in any specific chemical or nuclear reaction

QUANTISATION OF CHARGE:

Charge quantization is the principle that the charge of any object is an integer multiple of the elementary charge.

5 0
2 years ago
A 1.50x103-kilogram car is traveling east at 30 meters per second.
frez [133]

Answer:

39000\ \text{kg m/s}

West

Explanation:

m = Mass of car = 1.3\times 10^{3}\ \text{kg}

t = Time = 9 seconds

u = Initial velocity = 30 m/s

v = Final velocity = 0

Impulse is given by

J=m(v-u)\\\Rightarrow J=1.3\times 10^3(0-30)\\\Rightarrow J=-39000\ \text{kg m/s}

The magnitude of the total impulse applied to the car to bring it to rest is 39000\ \text{kg m/s}.

The direction is towards west as the sign is negative.

7 0
2 years ago
Which of the following is a factor that determines the composition of magma?
Lina20 [59]
The answer is C. I hope I helped!
5 0
3 years ago
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