this is about Electrostatics

This Is About Electrostatics

Answers

Answer 1

Answer:

Force, [tex]F=2.88\times 10^{-3}\ N[/tex]

Explanation:

Charge 1, [tex]q_1=1\times 10^{-7}\ C[/tex]

Charge 2, [tex]q_2=-2\times 10^{-7}\ C[/tex]

Distance between charges, d = 0.25 m

It is required to find the force between charges. The charges are opposite the force between them is attractive. The force between charges is given by :

[tex]F=\dfrac{kq_1q_2}{d^2}\\\\F=\dfrac{9\times 10^9\times 1\times 10^{-7}\times 2\times 10^{-7}}{(0.25)^2}\\\\F=2.88\times 10^{-3}\ N[/tex]

So, the force between charges is [tex]2.88\times 10^{-3}\ N[/tex].


Related Questions

What is the potential difference if a resistance of 20 ohms produces a current of 10 amperes?

Answers

Answer:

200 Volts

Explanation:

V= IR

V = 20 Ohm * 10 A = 200Volt

Potential difference V is 200 volt

Given that;

Resistance R = 20 ohms

Current I = 10 Amp.

Find:

Potential difference V

Computation:

Potential difference V = IR

Potential difference V = 20(10)

Potential difference V = 200 volt

Learn more:

https://brainly.com/question/21808222?referrer=searchResults

4. Unlike a gas, plasma can

Answers

Answer:

Unlike a gas, plasma can conduct electricity and respond to magnetism. That's because plasma contains charged particles called ions.

Answer:

a) The pressure in a traveling sound wave is given by the equation

p Pa π m x s t − − Δ = −

s x, t 6.0 nm cos kx+ 3000 rad / s t+ ( )( ) ( ) ( )

Find the (a) pressure amplitude, (b) frequency, (c) wavelength,

and (d) speed of the wave.

b) If the form of a sound wave traveling through air is

= ϕ , how much time does any given air molecule along

the path take to move between displacements s = + 2.0 nm and s = - 2.0 nm?

Solution: (a) The amplitude of a sinusoidal wave is the numerical coefficient of the sine (or

cosine) function: pm = 1.50 Pa.

We identify k = 0.9π and ω = 315 π (in SI units), which leads to f = ω /2 π = 158 Hz.

We also obtain λ = 2π/k = 2.22 m.

The speed of the wave is v = λ /k = 350 m/s.

(b) Without loss of generality we take x = 0, and let t = 0 be when s = 0. This means the

phase is φ= -π/2 and the function is s = (6.0 nm)sin(ωt) at x = 0. Noting that ω = 3000 rad/s,

we note that at t = sin-1(1/3)/ω = 0.1133 ms the displacement is s = +2.0 nm. Doubling that

time (so that we consider the excursion from –2.0 nm to +2.0 nm) we conclude that the time

required is 2(0.1133 ms) = 0.23 ms.

What needs to be done to balance this
equation?
CHA
O2
CO2
+ 2 H20
Remove coefficient 2 in front of
H2O on the right side of the
equation
Do nothing (equation is balanced).
Add coefficient 2 to O2 on the left
side of the equation.
Change O2 to Os on the left side
of the equation

Answers

Answer:

I'm not sure, but "Add coefficient 2 to O2...". You didn't really write out the equation properly.

Aray diagram is shown.
What does the letter red line represent?

Answers

Answer:

Red line is reflected ray.

Explanation:

According to the given figure, the blue line represent the incident ray. It strikes the surface and reflection occurs. The dotted line shows normal.

After reflecting the surface, the ray of light is reflected. Red line shows the reflected light.

In this case, the laws of reflection follows i.e. the angle of incidence is equal to the angle of reflection.

What is the advantage of the SI unit over CGS units?
Help me ...
answer it as fast as you can...​

Answers

Answer:

The advantage of the SI unit over CGS unit are:

S.I has broader base. It has seven base units and two supplementary units.S.I is metric.S.I is coherent.S.I is rational, i.e. it gives one unit for one physical quantity .e g. for energy of any type i.e, mechanical or heat or electrical.There is only one unit Joule(J) but in M.K.S system unit for mechanical energy is joule.

HOPE IT WILL HELP YOU

Units of measurements

The advantage that SI unit has over CGI is that it has only one unit for each measurement

Explanation:

CGS: Also known as Gaussian units

Length is measure in cm (centimeter)

Mass is measured in g (gram)

Time is measured in s (second).

SI unit: The International System of Units

Length is measure in meter (m)

Mass is measured in kilogram (kg)

Time is measured in seconds (s)

In summary with the SI unit student do not need to store any conversion factors in memory

In a circult, a battery is used to

1. slow down current
2. conduct current
3. raise the potential of electrons
4. convert electrical energy into some other form of energy

Answers

Answer:

4. convert electrical energy into some other form of energy

I might be wrong, but I think that it’s 4. Convert electrical energy into some other form of energy.

Traveling in circle requires a net force

Answers

Answer:

Circular motion requires a net inward or "centripetal" force. Without a net centripetal force, an object cannot travel in circular motion. In fact, if the forces are balanced, then an object in motion continues in motion in a straight line at constant speed.

Explanation:

Balance chemical reactions: please help question attached

Answers

2 AsI —> 2 As + 3 I

hope this helps!

3. Which of the following is an example of a
supplemental restraint system?
(a) air bag
(c) lap and shoulder belt
(b) safety belt
(d) antilock brakes

Answers

Answer:

A) air bag is your answer

Answer:

air bag

Explanation:

Any of several restraining systems in a vehicle, such as an airbag, in addition to the seatbelts.

What of the following does NOT influence resistance? *
A.thickness of wire
B.temperature
C.material of wire
D.Number of components

Answers

Answer:

D. Number of components

Explanation:

Answer:

D. Number of components

Explanation: hope this helps :)

TRUE or FALSE? If an object moves in a circle at a constant speed, its velocity vector will be constant. Explain your answer.

Answers

the velocity will change since the direction changes. what is the relationship between velocity and acceleration in a circle.


When light rays appear to be coming from behind a mirror, what type of image has been formed?
A.imaginary
B.real
C.plane
D.virtual

Answers

Answer:

The answer ...........may be D.

1. What are three things you think of when you think of energy?

Answers

Answer:

Food, wind, water.

Explanation:

This is supposed to be a personalized question so I answered with things that can make/give energy.

Answer:

This is personal question, very interesting! Depend on who is the person, where the person is working at, how old is that person - we can have various answers.

Personally, I think first about that human and other animals needs energy to survive, that means we need to eat, to drink; The plants need energy to survive too - that is the energy from the Sun.

Secondly, the human being needs such types of energy as electricity, wind, solar energy, etc. in oder to live. Even the acient people learnt to use solar and wind and water - natural energy from the nature.

Thirdly, the human being needs spiritual energy to have a good life.

Another specific terms of energy related to physics and chemistry, and even biology - actually are not in my mind in everyday life.

Explanation:

What is the resistance for each resistor? What is the voltage of the battery?

Answers

Answer:

Each resistor has a resistance of 10.0 ohms. The battery has a voltage of 9.0 volts.

Explanation:

edmentum

Which statement correctly describes the differences between positive and negative acceleration?
Positive acceleration describes a change in speed: negative acceleration describes no change in speed.
Positive acceleration describes no change in speed; negative acceleration describes a change in speed.
Positive acceleration describes an increase in speed; negative acceleration describes a decrease in speed.
Positive acceleration describes a decrease in speed negative acceleration describes an increase in speed.

Answers

positive accel.=increase in speed

negative accel.= decrease in speed

Answer: positive accel.=increase in speed

negative accel.= decrease in speed

Explanation:

F.
Using this formula m = =, If a car is pushed with a net force
of 5000N, resulting in an acceleration of 3.5m/s2, what is the
mass of the car?
a 1438.5kg
b 1428.6kg
c 1328.6kg
d 1421.6kg

Answers

Answer:

C

What is the answer please help her

What is the kinetic energy of a bicylcle with a mass of 15 kg traveling at a velocity of 3 m/s?​

Answers

KE = 0.5 x mv^2

Kinetic energy equals 1/2 times mass times velocity squared.

Mass = 15kg

Velocity = 3m/s

Plug it into the formula.

KE = 0.5 x 15(3^2)

KE = 0.5 x 15(9)

Multiply the mass and velocity squared.

KE = 0.5 x 135

Then, multiply the result by 1/2 or 0.5

KE = 67.5

The kinetic energy of a bicycle that has a mass of 15kg and travels at 3m/s is 67.5J.

Answer:

67.5 J

Explanation:

Kinetic energy can be found using the following formula.

[tex]KE=\frac{1}{2}mv^2[/tex]

where m is the mass in kilograms and v is the velocity in m/s.

We know the bike has a mass of 15 kilograms. We also know the velocity is 3 m/s. Therefore, we can substitute 15 for m and 3 for v

[tex]KE=\frac{1}{2}*15*3^2[/tex]

Evaluate the exponent first. 3^2 is the same as 3*3, which is equal to 9.

[tex]KE=\frac{1}{2} *15*9[/tex]

Multiply 15 and 9.

[tex]KE=\frac{1}{2} *135[/tex]

Multiply 1/2 and 135

[tex]KE=67.5[/tex]

Add appropriate units. Kinetic energy uses Joules or J as the units.

[tex]KE= 67.5 Joules[/tex]

The kinetic energy of the bike is 67.5 Joules

HELP ASAP
this is for science, and if i get the questions right, I pass, but the teacher never taught us the lesson, idrk y. so i really need help:( Im giving away 20 points so please give me your best answers ;)


1. As an astronaut travels from the surface of Earth to a position that is four times as far away from the center of Earth, based on the Law of Gravity which of the following statement is true?


a. mass remains the same and the gravitational pull from Earth decreases

b. weight remains the same and the gravitational pull from Earth changes

c. weight increases and the gravitational pull from Earth stays the same

d. mass decreases and the gravitational pull from Earth increases

2. A satellite is sent into orbit around the Earth, In which of the following situation would the gravitational force be the greatest?


A. 1200 lb satellite orbiting 150 miles above Earth’s surface

b. 850 lb satellite orbiting 150 miles above Earth’s surface

c. 850 lb satellite orbiting 1500 miles above Earth’s surface

d. 1200 lb satellite orbiting 1500 miles above Earth’s surface


3. High and low tides are the regular pattern of rising and sinking ocean-water levels. They are caused when the sun’s gravity and the moon’s gravity pull on ocean water. The moon’s gravity has a greater effect on Earth’s oceans than the sun’s gravity. Why would the moon have a greater effect than the sun?


a. The moon has less mass than the sun.

b. The moon is closer to Earth than the sun.

c. The moon is not as hot as the sun.

d. The moon has less mass than Earth.



4. Which statement about the universality of gravity is false?


a. The gravitational force between two objects depends only on their masses.

b. Any two objects that have mass also have a force of gravity acting between them, no matter how far apart they are.

c. The gravitational force between two objects increases if the objects move closer together.

d. The gravitational force between two objects increases if mass is added to one object.

Answers

Answer:

1)a- mass never changes as you move from the earth

2)actually am not sure I haven't been taught that too

3)b

4)a-it doesn't depend only on mass but also weight

How does planting high yield crop varieties make farming more sustainable

Answers

Answer:

The more high yield crops are planted, the more production there will be from plants.

Explanation:

High-yield plants are plants that are genetically modified or modified artificially in a way that makes farming plants more efficient. More crops grow, therefore more money.

The answer is, the more high-yield plants there are, the more efficiency there will be from farming.

Answer:

Its D

Explanation:

my options were these

A. It increases the amount of water needed

B. It keeps soil fertility from diminishing over time

C. It keeps chemicals form entering the watershed

D. It decreases the amount of land needed

A charged particle is placed in a space. The particle experiences a force. What can be concluded?

A.
The space contains a magnetic field.
B.
The space contains an electric field.
C.
The space has a charge opposite to the particle's.
D.
Oppositely charged particles must be present.

Answers

Answer: A.

The space contains a magnetic field

Explanation:

A charged particle is surrounded by electric field and exerts force on other charges in the field, attracting or repelling them. 

But a charged particles in a magnetic field can escape into infinity without ever stopping due to magnetic force. We can therefore conclude that the space contains a magnetic field

Answer:

Explanation:

B

A 200-kg boulder is 1000-m above the ground. what is its potential energy?

Answers

Explanation:

PE = mgz = 200 * 9.81 *1000 = 1962 KJ

A 200-kg boulder is 1000-m above the ground. 1962 KJ is its potential energy.

What is potential energy ?

The term potential energy is defined as the stored energy that depends upon the relative position of various parts of a system. Because it has a potential to do work when released it is called as potential energy.

A spring has more potential energy when it is stretched. Any object that is stretched from its resting position has stored energy, so it is called potential energy.

The SI unit of electric potential is represented by volt (V), and it can also be written as Joule per Coulomb. The unit of potential energy is joules.

Potential energy = mgz

= 200 × 9.81 × 1000

= 1962 KJ

Thus, A 200-kg boulder is 1000-m above the ground.  1962 KJ is its potential energy.

To learn more about the potential energy, follow the link;

https://brainly.com/question/24284560

#SPJ5

What is the volume of this rectangular prism?
1/4cm 1/3cm 1/2cm​

Answers

Answer:

1/24

Explanation:

1/4 * 1/3 * 1/2 = 1/24

Answer:

1/24

Explanation:

helpppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp

Answers

There’s force of friction/ drag that slows down a moving object, there’s also gravity pulling the wagon down which would help slow it down. Hope this helps good luck.

Charge q is 1 unit of distance away from the source charge S. Charge p is four times further away. The force exerted
between S and q is ___ the force exerted between S and p.

1/4
1/16
16 times
4 times

Answers

I’m pretty sure the answer is A: 1/4

Which of the following is NOT an important component of planning ahead?
A figuring out necessary steps
B. setting plausible limits
C. constructing an inflexible plan
D. deciding what you want to accomplish

Answers

Answer: B setting plausible limits

Explanation: because when you are planning ahead you must only think how to do the thing correctly if you do all of your steps correctly you won't have any limitations.

Answer:

The correct answer is constructing an inflexible plan.  Planning is a huge part in an individual’s life and also the life of a company. Though we want to plan for everything that could possibly happen, there needs to be flexibility as situations can change. Due to the fact planning can have a positive affect on a business for future happenings, it must also have variable and flexible room incase there are changes that need to be made.

Explanation:

An electric motor converts electrical energy into energy.

Answers

Answer:

into mechanical energy

...........,.

Mechanical energy it’ll turn into mechanical

What is the speed of a high-speed electron traveling at right angles to a 0.80-tesla magnetic field with a force of -7.5 x 10^-12 newtons? The charge of an electron is 1.60 x 10^-19

Answers

Explanation:

Answer:

Magnetic field, B = 0.016 Tesla

Explanation:

It is given that,

Velocity of electron, v=9.6\times 10^5\ m/sv=9.6×10

5

m/s

Magnetic force, F=2.6\times 10^{-15}\ NF=2.6×10

−15

N

Charge, q=1.6\times 10^{-19}\ Nq=1.6×10

−19

N

The magnetic force is given by :

F=qvBF=qvB

B=\dfrac{F}{qv}B=

qv

F

B=\dfrac{2.6\times 10^{-15}}{1.6\times 10^{-19}\times 9.6\times 10^5}B=

1.6×10

−19

×9.6×10

5

2.6×10

−15

B=0.016\ TB=0.016 T

So, the magnitude of magnetic field is 0.016 Tesla. Hence, this is the required solution.

Answer:

F = q  v B so v = F/q B

v = -7.5 × 10-12/(-1.60 × 10-19) (0.80) = 5.9 × 107 m/s

Explanation:

Two sounds are played for you. The first has a frequency of 196 Hz. The second has a frequency of 392 Hz. Which sound will be "higher" to your ear?
A) The First
B) The Second
C) They will sound the same

Answers

Answer:

The second one, the higher the hertz the higher the frequency we hear

Explanation:

A 50-kg object is accelerating to the right at 10 m/s². What is the magnitude of the rightward net force acting
on it (in Newtons)?

Answers

Answer:

I'm confused did you not get an answer at all

ASAP if you Answer right I will mark the brainiest

Answers

Answer:

1. internal heat

2.none of above

3.haumea

4. its orbit is not elliptical

5.eris

6.ceres

7.is closer to sun than pluto

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