The distance between a charge and the source of an electric field changes from 3 mm to 6 mm.

As a result of the change, the electric potential energy of the charge is ______.

A. divided by 6
B. divided by 2
C. multiplied by 2
D. multiplied by 6

Answers

Answer 1

Answer:

c

Explanation:

Answer 2

The electric potential energy of the charge is divided by 2.

To find the electric potential energy, the values given from the source of an electric field changes from 3 mm to 6 mm.

What is electric potential energy?

            The electric potential energy is the energy that is needed to move a charge against the electric field.

The energy can be calculated as Work and these energy can be calculated as a whole not only the charges.

Formula for electric potential energy,

         U = KQ²/r

where,

K is the constant, k =  9 × 10⁹

Substituting the values of q as the charges and then the distance can be,

U = KQ² / 3   and U = KQ² / 6

So that, the values can be divided by 2.

The unit of electric potential energy is Joule.

The distance can be from r to ∞.

Hence, Option B is the correct answer.

Learn more about electric potential energy,

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Related Questions

a volleyball player has spiked the ball. At the instant the ball leaves her hand, it is 2.6 m above the ground and has an initial vertical velocity of -20 m/s. How long will it take the ball to strike the ground if the opposing team doesn't block it?

Answers

Answer: 29.48 s

Explanation:

Given

The initial height of the ball is [tex]h=2.6\ m[/tex]

The ball leaves with an initial velocity of [tex]u=-20\ m/s[/tex]

Using the equation of motion

[tex]h=ut+\dfrac{1}{2}at^2\\\text{Insert the values}\\\\2.6=20\cdot t+\dfrac{1}{2}\times 9.8\times t^2\\\\\Rightarrow 9.8t^2+20t-5.2\\\\\Rightarrow t=\dfrac{-20\pm \sqrt{20^2-4\times 9.8\times (-5.2)}}{2\times 9.8}\\\\\Rightarrow t=\dfrac{-20\pm 603.84}{19.8}\\\\\Rightarrow t=29.48\ s\quad [\text{Neglecting negative t}][/tex]

Therefore, it take 29.48 s for ball to reach the ground.

newton's second law states that when a net force acts on an object, it accelerates it.Explain how it would be possible for two or more forces to act on object without accelerating it

Answers

Answer:

See Explanation

Explanation:

According to Newton's second law of motion, the acceleration of a body is proportional to the net external force that acts on the body.

A body accelerated when it is acted upon by an unbalanced net external force.

When the external forces acting on a body are balanced, the effect of each force is cancelled by the other hence the body is not accelerated according to Newton's second law.

Justin mixed two cups of lemon juice and two cups of sugar with a gallon of water in a pitcher. What happened to the lemon juice, sugar, and water?

Answers

Answer:

The correct answer is - Lemon juice hydrolyzes sugar and dissolves it faster and creates a solution.

Explanation:

When mixing lemon juice and sugar in water are mixed together, the lemon juice dissolves the sugar faster as it has citric acid that hydrolyzes sucrose molecules of sugar in glucose and fructose.

This mixing of all three lemon juice, water, and sugar form a solution. Here in this solution, water is solvent, and sugar and lemon juice are solutes. The quantity of all three determined the nature of the solution if it will be acidic or more diluted.

How much kinetic energy is required to break through?

Answers

Explanation:

The natural environment or natural world encompasses all living and non-living things occurring naturally, meaning in this case not artificial. The term is most often applied to the Earth or some parts of Earth

What object currently has the most gravitational potential energy?

A, B, C, or D​

Answers

Answer:

A

Explanation:

this because

gravitational potential energy = mass x height x gravitational field strength

so let's assume mass is 2 kg and gravitational field strength is 10 N /kg

so when height is very low, take it as 3 m

gravitational potential energy= 2 x 3 x 10 = 60 j

but when height is 6m

gravitational potential energy = 2 x 6 x 10 = 120 j

so when the height is the greatest, the gravitational potential energy is the highest

so A is the heighest so it has the highest gravitational potential energy.

hope this helps

please mark it brainliest :D

before each item.
1. Which of the following refers to chemical digestion?
A. Chewing of food B.. Grinding of food C. Tearing of food D. Amylase in the saliva
2. In what organ most of the absorption process happen?
A. Stomach B. Small intestine C. Large intestine D. Esophagus
3. It is a digestive disorder wherein the body has the inability to digest sugar?
A. Gastritis B. Lactose intolerance
C. Diarrhea D. Peptic ulcer
4. The following are part of the digestion process EXCEPT
A. ingestion B. assimilation
C. excretion D. respiration
5. It helps to moisten the food and contains the enzyme amylase.
A. Saliva
B. Stomach C. Mouth D. Teeth
6. It is a process of taking in digested food nutrients into the cell by providing new protoplasm and energy
needed during the cell activities.
A. Ingestion B. assimilation C. Absorption D. Excretion
7. What causes constipation?
A. Lack of fiber in the body B. Uncontrolled growth of abnormal cells
C. Lack of enzyme lactase D. Excessive consumption of coffee and acidic drinks
8. The nutrients from the digested food are being absorbed by the following processes except
A. passive diffusion B. facilitated diffusion C. active transport D. ingestion
9. It is the organ that is responsible for reabsorbing water and minerals that are not digested in the small
intestine.
A. Stomach B. Large intestine C. Small intestine
D. Esophagus
10. The following are the reasons why digested food should be assimilated into the cell EXCEPT
A. they are converted into protoplasm. C. they provide energy needed in cell activities
B. they are needed to store fats. D. they are converted to build cell membranes
11. What is the best treatment for a person who suffers lactose intolerance?
A. Take antibiotics
B. Balanced diet
C. Take lactase supplements before eating food contains dairy D. Practice healthy lifestyle
12. What happen during the assimilation process?
A. Absorbed nutrients are delivered into the cell
B. Breaking down of food into tiny pieces
C. Elimination of waste product of the digestion process D. Absorption of nutrients from the digested food
13. How does the enzyme amylase help in the absorption of nutrients?
A. It helps in the digestion of proteins.
B. It helps in the digestion of fats.
C. It helps in the digestion of carbohydrates. D. It helps in the digestion of lipids.
14. It is characterized as loose bowel caused by an infection of bacteria that we get from the food we eat.
D. GERD
A. Diarrhea
C. Gastritis
B. Peptic Ulcer
15. How saliva helps in the digestion process?
A. It reabsorbs nutrients from the food we eat.
B. It contains the enzyme amylase that helps in the digestion of starch.
C. It absorbs nutrients and distribute it in the bloodstream.
D. All of the above
16. How colon cancers can be treated?
B. By exercising
A. By eating foods rich in fiber
D. By undergoing surgeries.
g C. By taking lactase supplements​

Answers

Answer:

1:D

2:B

3:B

4:D

5:A

13:A

14:A

15:B

16:A

7:A

9:B

8:B

11:C

12:A

Explanation:

Sorry for incomplete answers

Electrons made to vibrate to and fro at a few hundred thousand hertz emit radio waves. What class of waves is emitted from electron vibrations of a few million billion hertz

Answers

Answer:

this frequency is in the near UV range

Explanation:

The accelerated movement of a charge creates an electromagnetic wave, the speed of the wave is the speed of light

         c = λ f

the emitted frequency is f = 10⁶ 10⁹ Hz = 10¹⁵5 hz,

light of this frequency is in the near UV range

You’ve probably seen how the surface of a tire can partially melt and leave a mark on the road when a car’s brakes are applied really hard. Explain why the surface of the tire melts.

Answers

Answer:

The friction of braking heats up the tire and the road. The temperature is so high that it reaches the melting point of the rubber in the tire. The melting rubber is what leaves a mark on the road.

Explanation:

Answer:

the friction of braking heats up the tires and the road. then the temperature gets even hotter to the point where it melts the rubber.

Explanation:

this is my answer so be careful how you copy it, but you've got this guys schools is almost out stay strong an have fun and be safe this summer keep pushing <33.

remember you're loved by many

- Jason Edwards 5/15/23

Which of these planets is the odd one out based on their physical features?
a. Mars
b. Uranus
c. Jupiter
d. Neptune

Answers

Answer:

mars

Explanation:

the planet that is the odd is Mars

Which of the following has greater kinetic energy?
(a). A 10 g meteor hurtling (Moving at greater speed) through the Earth’s atmosphere at 5.0 km s−1. (b). A 65 kg jogger running at 5.0 m s−1.
please help me ​

Answers

I aint got no clue ask someone that knows about this.

If V is the original volume, V' is the new volume, T is the original Kelvin temperature, and T' is the new Kelvin temperature, how is Charles's law expressed mathematically

Answers

Answer:

[tex] \frac{V}{T} = \frac{V'}{T'}[/tex]

Explanation:

Given the following data;

Original volume = V

New volume = V'

Original temperature = T

New temperature = T'

To write an expression for Charles's law;

Charles states that when the pressure of an ideal gas is kept constant, the volume of the gas is directly proportional to the absolute temperature of the gas.

Mathematically, Charles law is given by the formula;

[tex] \frac {V}{T} = K[/tex]

[tex] \frac{V}{T} = \frac{V'}{T'}[/tex]

True or False? The most reactive metals are found in Period 1 of the Periodic Table.

Answers

Hydrogen is a very reactive gas, and the alkali metals are even more reactive. In fact, they are the most reactive metals and, along with the elements in group 17, are the most reactive of all elements.

Answer:

Explanation:

true

Four 29-ohm resistors are connected in series to an ideal 10-volt battery. What is the equivalent resistance of the circuit?

Answers

Answer:

Equivalent resistance of the circuit is 116 ohm.

Explanation:

Finding the equivalent resistance of the circuit. Since, 29 ohm resistors are connected in series, so

→ Equivalent resistance = R_1 + R_2 + R_3 + R_4

→ Equivalent resistance = (29 + 29 + 29 + 29) ohm

→ Equivalent resistance = 116 ohm

calculate the work done by 2N force directed at 30 degree to the vertical to move a 500g box a horizontal distance of 400 cm across a rough floor at constant speed of 0.5 m per second​

Answers

Answer:

there is no picture :o?

Explanation:

:oo


А
man of mass
77kg stands on a
Spring-weighing
Machine
inside a lift
When the lift starts to ascend, its accel-
eration 2 m/s2. what will be reading on.
the machine?

Answers

Explanation:

The reading on the scale is

W = m(g + a)

= (77 kg)(9.8 m/s^2 + 2 m/s^2)

= 908.6 N

Gravity is the force that objects exert on each other because of their masses. The strength of the gravitational force between two objects
depends on two factors, mass and distance. How is gravity related to mass and distance? Choose ALL the statements that apply.
If one of the masses is doubled, the force of gravity between the objects is doubled.
As distance between the objects increases, the force of gravity decreases.
As distance between the objects increases, the force of gravity increases.
The more mass two objects have, the less the force of gravity the masses exert on each other
Greater mass results in greater force.

Answers

Explanation:

Newton's law of universal gravitation states that the force of gravity affects everything with mass in the universe. Newton's law also states that the strength of gravity between any two objects depends on the masses of the objects and the distance between them

A 12.0 kg object is stationary on a surface that is inclined 30.0° relative to the horizontal. The coefficient of friction is 0.65. Use a free body diagram to determine the magnitude of the force of static friction on the block.
Help please?

Answers

Answer:

hope you can understand the calculations

A ball rolled 12.0 m [E] in 10.0 s, hit an obstacle, and rolled straight back. After the collision, the ball rolled 8.00 m [W] in 6.00 s. What was the average velocity of the ball?

Answers

Answer:

the average velocity of the ball is 5 m/s.

Explanation:

Given;

initial position of the ball, x₁ = 12 m East

final position of the ball, x₂ = 8 m West

initial time of motion, t₁ = 10.0 s

final time of motion, t₂ = 6.0 s

The average velocity is calculated as follows;

[tex]v = \frac{\Delta x}{\Delta t} = \frac{x_1 \ - \ x_2}{t_1 \ - \ t_2}[/tex]

let the Eastward direction be positive

Let the westward direction be negative

[tex]\frac{x_1 \ - \ x_2}{t_1 \ - \ t_2} = \frac{12 \ - \ (-8)}{10 -6}= \frac{20}{4} = 5 \ m/s[/tex]

Therefore, the average velocity of the ball is 5 m/s.

17. ____ Objects with more mass have
a. more gravity b. less gravity
c. more acceleration
d. less inerties

Answers

a. more gravity

This is the answer.

¿Cuál es la intensidad del campo eléctrico a una distancia de 2 m de una carga de -12μC? *

Answers

Answer:

Una secadora de cabello tiene una resistencia de 10Ω al circular una corriente de 6 Amperes, si está conectado a una diferencia de potencial de 120 V, durante 18 minutos ¿Qué cantidUna secadora de cabello tiene una resistencia de 10Ω al circular una corriente de 6 Amperes, si está conectado a una diferencia de potencial de 120 V, durante 18 minutos ¿Qué cantidad de calor produce?, expresado en caloríasad de calor produce?, expresado en calorías

how does energy apply to newton’s laws?

Answers

Answer:

the acceleration of an object is directly pro to the net force acting on it and indirectingly proportional to its mass

Two asteroids are located a certain distance away from each other. They have the same mass . The gravitational force of attraction is f . If the mass of one of the asteroids is doubled, how will the gravitational force be affected

Answers

Answer:

F' = 2F

Explanation:

The gravitational force of attraction between asteroids is given by Newton's Law of Gravitation:

[tex]F = \frac{Gm_1m_2}{r^2}[/tex]

where,

F = Force

G = Universal Gravitational Constant

m₁ = m₂ = m = mass of each asteroid

r = distance between asteroids

Therefore,

[tex]F = \frac{Gm^2}{r^2}[/tex]   --------------------- eq(1)

Now, if we double the mass of one asteroid:

[tex]F' = \frac{G(2m^2)}{r^2} \\\\F' = 2\frac{Gm^2}{r^2}[/tex]

using equation (1):

F' = 2F

A Star fleet science officer drops a large rock from a height of 1.55 m onto the surface of an alien planet. The rock strikes the ground in 0.230 s. Determine the acceleration of gravity.

Answers

Answer:

58.6 m/s²

Explanation:

Applying,

s = ut+gt²/2............ equation 1

Where s = height of the rock, u = initial velocity, t = time, g = accelration due to gravity of the planet.

From the question,

Given: s = 1.55 m, t = 0.23 s, u = 0 m/s (dropped from an height)

Substitute these values into equation 1

1.55 = (0×0.23)+g(0.23²)/2

1.55 = 0.0529g/2

0.0529g = 3.1

g = 3.1/0.0529

g = 58.6 m/s²

A bmw 23 goes from 0 to 60 miles per hour in 5 seconds . It is also used in the second law of motion

Answers

Answer:

Acceleration = 5.3645 m/s²

Explanation:

Given the following data;

Initial velocity, u = 0mph

Final velocity, v = 60 mph

Time, t = 5 seconds

To find the acceleration (also used in the second law of motion), we would use the following formula;

A = (v - u)/t

Conversion:

Miles per hour to meters per seconds;

0 mph = 0 mps

1 mph = 0.44704 mps

60 mph = 60 * 0.44704 = 26.8224 mps

Next, we find the acceleration;

Acceleration = (26.8224 - 0)/5

Acceleration = 26.8224/5

Acceleration = 5.3645 m/s²

temporary magnets are made from soft iron true or false​

Answers

Answer:

temporary iron r made up of soft iron its " true.."

stay safe healthy and happy.

A __________ is a push or pull.​

Answers

Answer:

force

Explanation:

Force is a push or a pull of an object that causes the object to speed up, slow down, or stay in one place. In other words, a force is what causes an object to move. Friction and gravity are two types of forces that influence how an object moves.

Which statement best explains why there could be a force of attraction
between two electrically charged objects?'
because they have like charges
because they have unlike charges
because they have the same number of protons
because they have the same number of electrons

Answers

Unlike charges cause attraction.
Like charges cause repelling

Which explanation best describes a wave?
A.
a disturbance that travels through a medium with a transfer of energy and matter
B.
a disturbance that travels through a medium without a transfer of energy and matter
C.
a disturbance that travels through a medium with a transfer of energy and without a transfer of matter
D.
a disturbance that travels through a medium with a transfer of matter and without a transfer of energy
E.
a disturbance that travels only in the absence of a material medium

Answers

Answer:

C. a disturbance that travels through a medium with a transfer of energy and without a transfer of matter

Explanation:

A wave is any disturbance that transfers energy from one location to the other via a substance called medium. It is important to note that a wave only conveys energy and not matter. For example, sound wave is a type of wave that carries sound energy from one place to another via mediums such as water, air etc.

Hence, according to this question, a wave can be described as a disturbance that travels through a medium with a transfer of energy and WITHOUT A TRANSFER OF MATTER.

You have a grindstone (a disk) that is 98.0 kg, has a 0.335-m radius, and is turning at 100 rpm, and you press a steel axe against it with a radial force of 23.6 N. Assuming the kinetic coefficient of friction between steel and stone is 0.192, calculate the angular acceleration of the grindstone.

Answers

Answer:

[tex]a=0.276[/tex]

Explanation:

From the question we are told that:

Mass [tex]m=98.kg[/tex]

Radius [tex]r=0.335[/tex]

Angular velocity [tex]\omega=100rpm[/tex]

Radial force of [tex]F_r=23.6 N.[/tex]

Kinetic coefficient of friction  [tex]\mu=0.192[/tex]

Generally the equation for Kinetic Force is mathematically given by

 [tex]F_k=\mu.F_r[/tex]

 [tex]F_k=0.192*23.6[/tex]

 [tex]F_k=4.5312[/tex]

Generally the equation for Torque on Center is mathematically given by

 [tex]Ia=f_k*r[/tex]

Where

 [tex]I=\frac{Mr^2}{2}[/tex]

Therefore

 [tex]a=\frac{2f_k}{Mr}[/tex]

 [tex]a=\frac{2*4.5312}{98*0.335}[/tex]

 [tex]a=0.276[/tex]

Therefore Angular acceleration of the grindstone is

[tex]a=0.276[/tex]

You weigh a bear by making him stand on four scales as shown. Draw a free-body diagram showing all the forces acting on the bear. If his weight is 1,500 newtons, what is the reading on
the fourth scale?

Answers

Answer:

what a fat bear I love physics

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