Two charged objects are held 1 meter apart from each other. Then they are moved to 2
meters apart. How is the electrostatic force and gravity force between
them affected by this move?
O

A Gravity will be as strong and the electrostatic force will be strong.
O

B. Both forces will be as strong after the move,

C. Gravity will be as strong and the electrostatic force will be as strong.


OD. Both forces will be as strong after the move.

Answers

Answer 1

Answer:

c

Explanation:

mark ma es brainliest

Answer 2

When two charged objects are moved to 2  meters apart from 1 meter. Then, both Gravity and electrostatic forces will be weak.

The electrostatic force and gravity force is inversely proportional to square of distance between two objects.

                      [tex]F\alpha\frac{1}{r^{2} }[/tex]

Where r is distance between both charged objects.

When two charged objects are moved to 2  meters apart from 1 meter. Then, both Gravity and electrostatic forces will be weak.

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Related Questions

Convert 55 miles into inches

Answers

Answer:

3.485e+6 inches. hope this helps

Answer:

What I got was a big number but it got around 3.485e+6

Explanation:

Derive Isothermal process through ideal gas.(anyone plzz!!)​

Answers

Answer:

Hey, bro here is the explanation....

Explanation:

Hope it helps...

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For her birthday, Samantha gets a new bike. She wants all her friends to see and so begins riding up and down her street. What is her speed if she goes 40.5m in 8.6s? *

4.71 m/s
4.71 h/m
47.1 h/m

Answers

Answer:

4.71 m/s

Explanation:

40.5:8.6= 4.71

A car battery provides a voltage of 12 V to a vehicle. If 32 A of
current are drawn on a hot summer evening when the air conditioning
and lights are running, what is the resistance provided by the
electrical elements of the car?
A. 44 Ohms
B. 20 Ohms
C. 2.6 Ohms
D. 0.375 Ohms

Answers

Answer:

The resistance provided by the electrical elements is;

D. 0.375 Ohms

Explanation:

The relationship between the voltage, V, current, I, and resistance, R of an electric circuit is given as follows;

V = I × R

The given parameters of the circuit are;

The voltage provided by the car battery, V = 12 V

The current drawn by the air conditioning and lights, I = 32 A

From, V = I × R, we have;

R = V/I

Therefore, by substituting the known values, we have;

R = 12 V/(32 A) = 0.375 Ohms

The resistance provided by the electrical elements, R = 0.375 Ohms

what is the kinetic energy of a 0.25kg ball rolling at a speed of 2.5m/s

Answers

Answer:

Explanation:

Kinetic Energy formula:

KE = [tex]\frac{1}{2}[/tex]mv²

m=mass

v=speed

Given:

m=0.25kg

v=2.5m/s

Plug the values in:

KE = 1/2(0.25kg)(2.5m/s)²

KE = 0.78125 J (Joules)

"Energy is never created of destroyed, it only transforms from one form to another" is the definition of… A. The Law of Diminishing Returns B. The Law of Conservation of Energy C. The Law of Universal Gravitation D. The Law of Entropy

Answers

Answer:

B. The Law of Conservation of Energy

Explanation:

In Science, energy can be defined as the ability of an object or body to do work. There are two (2) main types of energy and these are;

I. Kinetic energy: it can be defined as an energy possessed by an object or body due to its motion.

Mathematically, kinetic energy is given by the formula;

Where, K.E represents kinetic energy measured in Joules.

M represents mass measured in kilograms.

V represents velocity measured in metres per seconds square.

II. Potential energy: it can be defined as an energy possessed by an object or body due to its position.

Mathematically, potential energy is given by the formula;

Where, P.E represents potential energy measured in Joules.

m represents the mass of an object.

g represents acceleration due to gravity measured in meters per seconds square.

h represents the height measured in meters.

Additionally, the various forms of energy are solar energy, electrical energy, chemical energy, thermal energy, wind energy, nuclear energy etc.

Hence, energy is never created of destroyed, it only transforms from one form to another" is the definition of The Law of Conservation of Energy.

A student is leaving the lesson and walking to Maths at a speed of 1m/s. He notices that he is late for the lesson and speeds up to 3 m/s. It takes him 4 seconds to speed up. Calculate his acceleration.

Answers

Answer:

Acceleration = 0.5 m/s²

Explanation:

Given the following data;

Initial velocity, u = 1m/s

Final velocity, v = 3m/s

Time, t = 4 seconds

To find acceleration;

In physics, acceleration can be defined as the rate of change of the velocity of an object with respect to time.

This simply means that, acceleration is given by the subtraction of initial velocity from the final velocity all over time.

Hence, if we subtract the initial velocity from the final velocity and divide that by the time, we can calculate an object’s acceleration.

Mathematically, acceleration is given by the equation;

[tex]Acceleration (a) = \frac{final \; velocity - initial \; velocity}{time}[/tex]

[tex]a = \frac{v - u}{t}[/tex]

Substituting into the equation, we have;

Acceleration = (3 - 1)/4

Acceleration = 2/4

Acceleration = 0.5 m/s²

100 points!!!! Will mark brainliest!!!!!!!!



This child is in motion jumping on a trampoline. There are four forces that apply to this situation. Which are they?

Applied force
Normal force
Tension force
Friction force
Spring force
Air-Resistance force
Electrical force
Magnetic force
Gravitational force

Answers

Answer:

Normal Force, Applied force, Gravitational Force, Spring Force

Explanation:

Normal Force so that he does not fall into trampoline, spring because the trampoline spring down when the force goes down, then up putting force upwards, gravitation because of gravity, and applied because of jumping

Answer:

i told u my thing got deleted lol

Explanation:



(b)Suggest with reasons,what must be added to the flask to keep the liquid hot.
____________________________________________________​​

Answers

(a) a thin layer of vacuum is provided between the two walls of flask, to minimise the heat loss by conduction , because for conduction medium (molecules) is required , but now medium is absent .

.(b) the two walls are silvered to minimise the heat loss by radiation , because a shiny surface is a bad absorber and bad emitter of radiation i.e. good reflector of heat , so prevents the heat exchange between content of flask and surrounding .

(c) the lid of flask is provided with a tight cork stopper to minimise the heat loss by convection , so that convection currents cannot go out .

(d) a plastic (or metal) case is provided with a flask , to protect the flask from physical damage

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one cup of water is left outside for two days, when it is checked there was only half of a cup left. what happened?

Answers

Answer:

it evaporated  

Explanation:

It evaporated into the air

What is the mass of the object if it exerted a
force of 62.2 Newtons and has an acceleration
of 15.3 m/s2?

Answers

Answer:

The object has an approximate mass of 4.06 kilograms.

Explanation:

Force is equal to mass times acceleration, so all we need to do is divide the force provided by the acceleration provided.

[tex]m = \frac{62.2N}{15.3 \frac{m}{s^2}}\\\\m = \frac{62.3kg\frac{m}{s^2}}{15.3 \frac{m}{s^2}}\\\\m = \frac{62.2kg}{15.3}\\\\m = 4.06kg[/tex]

Read each of the phrases below. Put the phrases in the correct order to show the path of blood flow in the circulatory system starting with the blood traveling from the lungs.
___ blood picks up waste products such as carbon dioxide
___ carries oxygen and nutrients to the body cells
____ moves to right ventricle and to lungs
____ blood travels from the lungs to the left atrium
____ returns to right atrium

Answers

Answer:

__3__ blood picks up waste products such as carbon dioxide

__2__ carries oxygen and nutrients to the body cell

__1__ moves to right ventricle and to lungs

__4__ blood travels from the lungs to the left atrium

__5__ returns to right atrium

Explanation:

PLS MARK BRAINLEST

Both vena cava passes the deoxygenated blood to the right atrium. Blood from right atrium enters right ventricle and pulmonary arteries carry deoxygenated blood from right ventricle to lungs for oxygenation. Two pulmonary veins come from each lung and pass O2 -rich blood to left atrium. Blood enters left ventricle from the left atrium. The left ventricle pumps blood into the aorta which in turn branches and delivers blood to the major body regions and organs.

what is the diffference between distance and displacement

Answers

Answer:

distance is how far away something has travelled from another object, while displacement is how far something is from the other object. Displacement is a vector quantity, unlike distance.

what must a uranium-235 nucleus absorb before fission will happen​

Answers

Answer:

The arrangement of particles within uranium-235 is somewhat unstable and the nucleus can disintegrate if it is excited by an outside source. When a U-235 nucleus absorbs an extra neutron, it quickly breaks into two parts. This process is known as fission

Answer:

a nuetron

Explanation:

In a nuclear reactor , a neutron is absorbed into a nucleus (typically uranium-235). ... The fast moving neutrons carry most of the energy from the reaction with them (99%) but before the neutrons can collide with fresh uranium nuclei, they need to be slowed down

A simple pendulum takes 43 seconds to complete 18 oscillations. What is the time-period of this pendulum?

Answers

Answer:

2.39 s

Explanation:

Period of pendulum = Time taken for 1 complete oscillation

= Total Time / Total no. of oscillations

= 43 / 18

= 2.39 s

The muscle cells of an elephant Zontain 62 chromosomes. How many
chromosomes are in an elephant egg cell?

Answers

There are about 31 chromosomes in an elephant egg cell

Answer:

31

Explanation:

In meiosis each sex cell has half the half the number of chromosomes than the parent cell. 62/2=31

Absorption of a light wave occurs in what material?

Answers

Answer: I think Windows.

Explanation: The absorption of light makes an object dark or opaque to the wavelengths or colors of the incoming wave: Wood is opaque to visible light. Some materials are opaque to some wavelengths of light, but transparent to others. Glass and water are opaque to ultraviolet light, but transparent to visible light.

Option.D-All materials is the correct answer.
Any object, whether living or inert, has the ability to absorb light. Absorption is always influenced by the electromagnetic frequency of the light being transmitted (i.e., its color) and the composition of the object's atoms.

How the absorption of light wave occurs-The object may absorb the light wave, in which case its energy is changed to heat.The object might reflect the light wave. Additionally, the object may transmit a light wave.Light waves behave similarly throughout the electromagnetic spectrum.Depending on the nature of the object and the light's wavelength, a light wave can be transmitted, reflected, absorbed, refracted, polarized, diffracted, or scattered when it comes into contact with a surface.When photons from incident light strike atoms and molecules, they begin to vibrate and cause absorption.An object gets hotter as its molecules move and vibrate more. The object then releases thermal energy in the form of this heat.Darker-colored objects, for example, absorb more incident light energy than lighter-colored ones do.For instance, while a light-colored concrete sidewalk reflects more energy than it absorbs, black pavement absorbs the majority of visible and UV energy.As a result, on a hot summer day, the sidewalk is cooler than the black pavement.Throughout this absorption process, photons bounce around and give up energy to numerous molecules.The longer wavelength infrared energy that results from this thermal energy radiates.A city's surface temperature can increase by up to 10° Celsius as a result of thermal radiation from the energy-absorbing asphalt and roofs.

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A 2-kg ball traveling eastward at 5 m/s hits a 5-kg ball moving at 1 m/s eastward. The 2-kg ball bounces west at 3.0 m/s. What is the speed of the 5kg ball?

Answers

Answer:

1.8 m/s

Explanation:

Step one:

given data

m1= 2kg

u1= 5m/s

m2= 5kg

u2= 1m/s

v1= 3m/s

From

m1u1+m2u2= m1v1+m2v2

substitute

2*5+5*1 = 2*3+5*v2

10+5= 6+5v2

15-6= 5v2

9= 5v2

divide both side by 5

v2= 9/5

v2= 1.8 m/s

A plane's average speed between two cities is 750 km/hr. If the trip takes
2.5 hrs. how far does the plane fly?

Answers

Answer:

The plane goes for 600 km per hour.

The trip from a city to another is 2.5 hours

Basically, all you have to do is multiply 600 by 2.5.

That’s 1,500 kilometres.

Explanation:

A plane's average speed between two cities is 750 km/hr and if the trip takes 2.5 hours then the total distance covered by the plane would be 1875 kilometers.

What is speed?

The total distance covered by any object per unit of time is known as speed. It depends only on the magnitude of the moving object.

As given in the problem, a plane's average speed between two cities is 750 km/hr and if the trip takes 2.5 hours then we have to find out  the total distance covered by the plane,

The plane's average speed between two cities is 750 kilometers/hour,

time is taken in the whole trip = 2.5 hours

The distance covered by the plane =  750 kilometers/hour×2.5 hours

                                                          = 1875 kilometers

Thus, the total distance covered by the plane would be 1875 kilometers.

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PLEASE HELP NOT A LOT OF TIME LEFT!!!!!
A vector is drawn on an x-y plane. It has a magnitude of 65.1 centimeters and a direction of 28.0 degrees below the positive x-axis. What is the x-component of this vector?

A. 30.6cm
B. 65.1cm
C. 27.1cm
D. 57.5cm

Answers

The [x] component will be +57.47 a[x]  and the [y] component will be -30.51 a[y].

What are the components of a vector?

Any vector can be resolved along the axes of the cartesian coordinate system. For a two dimensional vector (say [V]), it can be resolved along the

[x] and [y] axis, such that the components of the vector are the vector's themselves and are given by -

[x] component = VcosФ a[x]

[y] component = VsinФ a[y]

Given is a vector is drawn on an X - Y plane. It has a magnitude of 65.1 centimeters and a direction of 28.0 degrees below the positive x-axis.

From the data given, we can write -

Magnitude of vector = |V| = 65.1

Angle made with +x axis = [Ф] =28 degrees {below the axis}

Therefore, the [x] component will be -

[x] = 65.1 x cos(28) = 57.47 a[x]

and the [y] component will be -

[y] = 65.1 x sin(28) = 30.51 × -a[y] = -30.51 a[y]

Therefore, the [x] component will be +57.47 a[x]  and the [y] component will be -30.51 a[y].

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14. A television has a cash price of $1299. It can be purchased on a Hire Purchase plan by
making a deposit of $500 plus 10 monthly payments of $95. What is the total monthly
installment.
a) S1450
b) S450
c) S1299
d) S950​

Answers

It's a)S1450
PLATO4LIFE I Took the test.

what are 3 physical changes of plastic

Answers

Answer:

1. Size

2. Shape

3. Color

Explanation:

Sorry if this is no help


Help me to solve this please

Answers

Answer:

2) 7

3) 5

Explanation:

Answer:

the are are7

D

Explanation:

What is the potential energy of a 5.0 N weight that is 3 m above the ground

Answers

Answer:

[tex]15\:\mathrm{J}[/tex]

Explanation:

The potential energy of an object is given by [tex]PE=mgh[/tex].

Recall that the weight of an object is equal to the force of gravity on the object. From this, we can set up the following equation and solve for the mass of the object:

[tex]F=mg,\\5=mg,\\m=\frac{5}{9.81}\approx 0.51\:\mathrm{kg}[/tex]

Now we can plug in values to [tex]PE=mgh[/tex] and solve:

[tex]PE=0.51\cdot9.81\cdot3=\fbox{$15\:\mathrm{J}$}[/tex].

Answer:

The potential energy of the body is 15J.

Explanation:

What is potential energy?

The energy possessed to a body due to position is called Potential energy.

U=mgh

Given data:weight (mg)=5Nheight (h)=3mPotential energy (U)=?by using formula

U=mgh

U=5×3=15J

Hence, the potential energy of the body is 15J.

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When one end of a metal bar is heated, the opposite end will eventually become hot. Which of the following processes transfers the heat through the bar?

Group of answer choices

condensation

radiation

convection

conduction

Answers

I believe it’s convection
Conduction is your answer. Conduction is the process in which the heated and the faster molecules collide with other molecules to transfer the heat from the hot end to the colder end.

A 1kg box is pushed on a flat surface that is 250m long. The box is initially at rest and then pushed with a constant Net force of 5N along the entire length. What is the velocity of the box when it reaches the end of the surface.

A. 25m/s

B. 2500m/s

C. 50m/s

D. 75m/s

Answers

Answer:

C) 50 m/s

Explanation:

With the given information we can calculate the acceleration using the force and mass of the box.

Newton's 2nd Law: F = ma

5 N = 1 kg * a a = 5 m/s²

List out known variables:

v₀ = 0 m/sa = 5 m/s² v = ?Δx = 250 m

Looking at the constant acceleration kinematic equations, we see that this one contains all four variables:

v² = v₀² + 2aΔx

Substitute known values into the equation and solve for v.

v² = (0)² + 2(5)(250) v² = 2500 v = 50 m/s

The final velocity of the box is C) 50 m/s.

Which of these would be the most efficient means to transmit light pulses over long distances?

Answers

Answer: It’s fiber optics so B

If you want to calculate the acceleration of a car, you should _____ the change in velocity of the car by the time interval.
A. Multiply
B. Increase
C. Divide
D. Decrease

Answers

Answer:

Your awnser is B. Increase

Explanation:

Answer:

divide

Explanation:

u should divide the velocity by time interval because a=vf-vi/t

why is the index of refraction important for achromatic lenses?

Answers

Answer:

Refractive index is a measure of how light propagates through a material. The higher the refractive index the slower the light travels, which causes a correspondingly increased change in the direction of the light within the material.

Explanation:

At the time of the founding of the country, most Americans worked as
A.shopkeepers
B.soldiers
C.ship builders
D.farm workers

Answers

Answer:

Farmers

Explanation:

At the time of founding our country most soldiers in the revolutionary war were farmers who were inexperienced.

Answer:

D. farm workers

Explanation:

It is because when they started founding the country, people needed food and everything was based on agriculture and economy, and the main economy wat cotton and tobacco.

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