Adaline walks 2.0 miles north to school from her house. After school, she walks 2.0 miles south from the school to her house. What is her displacement?

0 miles
1.0 miles, north
2.0 miles, south
4.0 miles, north

According to the question the total electric field at the origin is 1.22*10⁶ N/C.

Electric field is an area in space, either around a single point or over a larger area, where electric force is present. Electric field is created by stationary or moving electric charges, resulting in an electric potential difference between two points. Electric field is a vector field, meaning that it has both magnitude and direction. It is represented by lines of force with arrows indicating the direction of the field as it radiates outward from a positive charge and as it is drawn inward toward a negative charge.

The electric field due to the two charges at the origin can be calculated using the superposition principle.
The electric field at the origin due to the first charge, q1, is given by:
E1 = (k*q₁)/d₂
Where k is Coulomb's constant and d is the distance between the two charges.
The electric field at the origin due to the second charge, q2, is given by:
E2 = (k*q₂)/d₂
The total electric field at the origin, E, is the vector sum of E1 and E2:
E = E₁ + E₂
Substituting the values:
E = (k*q₁)/d₂ + (k*q₂)/d₂

 = (8.99*10⁹ * 1.01*10⁻⁶)/(0.323²) + (8.99*10⁹ * 2.17*10⁻⁶)/(0.323²)

 = 1.22*10² N/C

To learn more about electric field
https://brainly.com/question/19878202
#SPJ1

Answer: Material is any substance that an object is made from.

All materials are made up of matter.

Examples include: glass, Chalk, paper, and wax, which are different types of materials

Answer:

The value is \(t = 5.124 \ s\)

Explanation:

From the question we are told that

   The height of the tree is \(s = 20 \ m\)

    The angle the ball leaves is  \(\theta = 45^o\)

    The initial velocity  is  \(u = 30.0 \ m/s\)

Generally the vertical of the ball's initial velocity is mathematically evaluated as

      \(u_y = u * sin (45)\)

=>   \(u_y =- 30 * sin (45)\)

=>   \(u_y = -21.21 \ m/s\)

Here  \(u_y\) is negative because it is in the direction of the negative y-axis

Generally from kinematic equation we have

      \(s = u_yt + \frac{1}{2} g t^2\)

=>   \(20= -21.21 t +4.9 t^2\)

=>   \(4.9 t^2 -21.21 t- 20= 0\)

Solving using quadratic formula we have that

        \(t = 5.124 \ s\)

D. 55 Kg mass moving at 1 m/s, is the correct answer.

The more mass the object has, the greater inertia is. It doesn't matter how fast the object is going because inertia is depended on mass.

The number of photons in the pulse is 1.21 × 1022.

The energy of a photon can be calculated using the equation:

E = hf, where

E is the energy of a photon,

h is the Planck's constant, and

f is the frequency of the light.

Then, using the equation c = λf, where

c is the speed of light,

λ is the wavelength of the light and

f is the frequency of the light, the frequency of the light can be determined.

Planck's constant (h) is a fundamental constant in quantum mechanics that relates the energy of a photon to its frequency.

Its value is 6.626 × 10-34 joule seconds (J·s).

The frequency of the light is:

f = c / λ

= 3.00 × 108 / 480 × 10-9

= 6.25 × 1014 Hz

The energy of the photon can be calculated:

E = hf

= 6.626 × 10-34 × 6.25 × 1014

= 4.14 × 10-19 J

The number of photons can be determined by dividing the energy of the pulse by the energy of a photon:

n = E / E_photon

= 5.0 × 103 / 4.14 × 10-19

= 1.21 × 1022 photons

Therefore, the number of photons in the pulse is 1.21 × 1022.

To know more about Planck's constant visit:

https://brainly.com/question/30763530

#SPJ11

The initial momentum of the ball is 15 Kgms-1.

In Physics, the term momentum is the product of mass and velocity. Momentum is a vector quantity. This implies that momentum possess both magnitude and direction.

Hence, we often write; p = mv

Where:

p = momentum

m = mass

v = velocity

The initial momentum therefore is;

p = 1.25 kg × 12 m/s = 15 Kgms-1

Learn more about momentum: https://brainly.com/question/904448

Answer: I's either A. Matter no longer exists or D. Particles no longer move

Explanation:

Sorry if I get it wrong

Hope his helps :)

Answer:

d

Explanation:

Answer:

d

Explanation:

Answer:

4 times/second

Explanation:

24/6 = 4

THE END

The magnitude of the horizontal component of the projectile's displacement at the end of 2 seconds is approximately 44.69 meters. The projectile takes approximately 2.81 seconds to reach the highest point in its trajectory.

Given:

- Launch angle (θ) = 55.0 degrees

- Initial speed (v₀) = 35.0 m/s

- Time (t) = 2 seconds

To find the magnitude of the horizontal component of the displacement, we can use the formula:

x = v₀x * t

The horizontal component of the initial velocity can be calculated using:

v₀x = v₀ * cos(θ)

Plugging in the values, we have:

v₀x = 35.0 m/s * cos(55.0°) ≈ 20.64 m/s

Substituting v₀x and t into the displacement formula, we get:

x = 20.64 m/s * 2 s ≈ 41.28 m

Therefore, the magnitude of the horizontal component of the projectile's displacement at the end of 2 seconds is approximately 44.69 meters.

To find the time taken to reach the highest point in the trajectory, we can use the formula for the time of flight:

t_flight = 2 * (v₀y / g)

The vertical component of the initial velocity can be calculated using:

v₀y = v₀ * sin(θ)

Plugging in the values, we have:

v₀y = 35.0 m/s * sin(55.0°) ≈ 28.38 m/s

Substituting v₀y and the acceleration due to gravity (g ≈ 9.8 m/s²) into the time of flight formula, we get:

t_flight = 2 * (28.38 m/s / 9.8 m/s²) ≈ 2.90 s

Therefore, it takes approximately 2.81 seconds for the projectile to reach the highest point in its trajectory.

- The magnitude of the horizontal component of the projectile's displacement at the end of 2 seconds is approximately 44.69 meters.

- It takes approximately 2.81 seconds for the projectile to reach the highest point in its trajectory.

To know more about projectile visit:

https://brainly.com/question/8104921

#SPJ11

Answer:

speed/time

Explanation:

Answer:

a= (Vf - Vi)

         t

To find acceleration (a) you need to subtract the finale velocity (Vf) minus the initial velocity (vi) divided by time (t) as shown in the equation above.

Magnetism is a mysterious force in this universe. Scientists don't fully understand why it occurs in the first place. They aren't sure why these particles have a north and south direction either, according to Live Science, and there are many different forms of magnetism.

Anything that creates a magnetic field is considered to be a magnet. The most notable characteristic of a magnet is a force that pulls on other ferromagnetic materials, such as iron, steel, nickel, cobalt, etc., and attracts or repels other magnets. This invisible magnetic field is responsible for this property.

A substance or object that generates a magnetic field that has the potential to impact objects nearby. Magnetic materials, such as iron, are drawn to a magnet. A magnetic field is always present in permanent magnets. One of a magnet's two poles is its centre of the magnetic field.

Learn more about Magnets here:

https://brainly.com/question/14997726

#SPJ4

The direction of the net force on the charge Q is towards the negative charge.

Both the above statements are true.

According to Coulomb's Law, the force between two charges is given by: F = kq1q2/r^2 where k is Coulomb's constant and is given by 9 × 10^9 Nm^2/C^2 and r is the distance between the charges.

Let the distance between the two charges be 'd'.

Force exerted on +Q charge due to -Q charge will be given by

F1 = kq1q2/d^2

Force exerted on +Q charge due to Y will be

F2 = kq1q2/(2d)^2

So, the net force on the charge +Q due to the other two charges is

F_net = F1 + F2 = kq1q2[(1/d^2)+(1/4d^2)]

          = kq1q2(5/4d^2)

Putting the given value of Q, we have

F_net = (9 × 10^9) × (3 × 10^-6) × (5Q/4d^2)

Thus, the expression for the net force on the charge Q is

F_net = 11.25d^2N/μC

Consider the following statements:

The net force on the charge Q is attractive.

The direction of the net force on the charge Q is towards the negative charge.

Both the above statements are true.

As it is clear that both the charges are opposite in nature, so the force on Q due to Y is attractive and the direction of the net force will be towards the -Q charge.

Thus, the expression for the net force on the charge Q is

F_net = 11.25d^2N/μC.

The net force on the charge Q is attractive.

The direction of the net force on the charge Q is towards the negative charge.

Both the above statements are true.

Learn more about net force from :

https://brainly.com/question/14361879

#SPJ11

When the extension of the spring becomes 5 cm, the applied force is 66.67 N.

The length produced by a force of 100 N is 7.5 cm.

The spring constant of a spring is also known as force constant, is the ratio of force to the extension of a spring.

The force constant of a spring describes how stiff a spring is or how tough a spring is.

The force constant of the given spring is calculated as follows;

k = F/x

where;

The extension of the spring = 3 cm = 0.03 m

The force is given as 40 N

K = 40 N / 0.03 m

K = 1,333.33 N/m

If the extension of the spring becomes 5 cm, the applied force is calculated as follows;

F = kx

F = 1,333.33 x 0.05

F = 66.67 N

The extension produced by a force of 100 N;

x = F/k

x = 100/1,333.33

x = 0.075 m = 7.5 cm

The assumption made is that the applied force is directly proportional to the extension of the spring.

Learn more about force constant here: https://brainly.com/question/1968517

#SPJ1

The type of spectrum being referred to is an absorption spectrum. Here are the steps involved in creating an absorption spectrum:

1) A radiation source emits a continuous spectrum of light, which contains all wavelengths of visible light.

2) The light from the radiation source passes through a material, such as a gas, liquid, or solid.

3) The material absorbs certain wavelengths of light that are specific to its chemical composition.

These absorbed wavelengths correspond to the energy levels of the electrons in the material's atoms or molecules.

4) The remaining light that passes through the material is a spectrum that has dark bands or lines where the absorbed wavelengths should be. These dark bands represent the wavelengths that were absorbed by the material.

5) The resulting spectrum is an absorption spectrum that can be used to identify the elements or compounds present in the material.

To summarize, an absorption spectrum contains dark bands that correspond to the specific wavelengths of light that are absorbed by a material between a radiation source and the earth. By analyzing the absorption spectrum, scientists can identify the composition of the material.

To know more about absorption spectrum :

https://brainly.com/question/14282264

#SPJ11

The persοn is mοving at a speed οf 55 miles per hοur in the Sοuth directiοn when the persοn is 50 miles West and 70 miles Sοuth οf the car, and the distance between them is increasing at a rate οf 55 miles per hοur.

Tο determine the speed at which the persοn is mοving, we can use the cοncept οf relative velοcity.

Let's cοnsider the hοrizοntal and vertical cοmpοnents separately:

Hοrizοntal Cοmpοnent:

The persοn is walking due East, which is perpendicular tο the Nοrth directiοn οf the car. Therefοre, the hοrizοntal cοmpοnent οf the persοn's velοcity dοes nοt affect the speed at which the persοn is mοving away frοm the car.

Vertical Cοmpοnent:

The persοn is 70 miles Sοuth οf the car, and the distance between them is increasing at a rate οf 55 miles per hοur. This indicates that the persοn's vertical pοsitiοn is changing with time. Since the persοn is mοving in the Sοuth directiοn and the distance is increasing, the persοn's speed can be determined by the rate οf change οf the vertical distance.

Given that the distance is increasing at a rate οf 55 miles per hοur, the persοn's speed in the Sοuth directiοn is 55 miles per hοur.

Therefοre, the persοn is mοving at a speed οf 55 miles per hοur in the Sοuth directiοn when the persοn is 50 miles West and 70 miles Sοuth οf the car, and the distance between them is increasing at a rate οf 55 miles per hοur.

Learn more about speed

https://brainly.com/question/17661499

#SPJ4

Answer:

It is 3 m/s² downward.

Explanation:

The mass of an object, m = 30 kg

Upward force, F = 200 N

Downward force, F' = -300 N

We need to find the magnitude and direction of its acceleration.

Net force = F+F'

= 200+(-300)

= -100 N

We know that,

Force, F = ma, a is acceleration of the object

\(a=\dfrac{F}{m}\\\\a=\dfrac{-100}{30}\\\\a=-3.33\ m/s^2\approx -3\ m/s^2\)

Hence, the acceleration is -3 m/s² and it is acting in the downward direction.

The initial potential energy is fully converted into kinetic energy, we can solve for w

To find the angular velocity (w) of a wheel when it is fully unwound, we can use the principle of conservation of energy.

Conservation of energy states that the total energy of a system remains constant if no external forces are acting on it. In this case, the energy of the wheel can be considered as the sum of its kinetic energy and potential energy.

The initial potential energy of the wheel when it is fully wound is 150 Joules (given). When the wheel is fully unwound, all of this potential energy will be converted into kinetic energy.

The formula to calculate the kinetic energy of a rotating object is given by:

KE = (1/2) * I * w^2

Where KE is the kinetic energy, I is the moment of inertia of the wheel, and w is the angular velocity.

Since the wheel is fully unwound, it will have no potential energy, so all the initial potential energy is converted into kinetic energy.

Setting the initial potential energy equal to the kinetic energy, we have:

150 Joules = (1/2) * I * w^2

Since the initial potential energy is fully converted into kinetic energy, we can solve for w.

learn more about kinetic energy on :

https://brainly.com/question/8101588

#SPJ11

The angular velocity, w, of the wheel when it is fully unwound, we need to know the height, h, the mass, m, and the radius, r, of the wheel. By plugging these values into the equation, we can calculate the angular velocity.

Using the conservation of energy, we can apply the principle of conservation of mechanical energy.

The conservation of mechanical energy states that the total mechanical energy of a system remains constant if no external forces are acting on it. In the case of a wheel being unwound, the potential energy stored in the wound-up wheel is converted into kinetic energy as it unwinds.

Let's assume that the wheel has a mass, m, and a radius, r. Initially, the wheel is fully wound, so it has potential energy, PE, due to its height, h, above the ground.

The potential energy can be calculated using the formula PE = mgh, where g is the acceleration due to gravity (approximately 9.8 m/s^2).

When the wheel is fully unwound, all of its potential energy is converted into kinetic energy, KE.

The kinetic energy can be calculated using the formula KE = 1/2 * I * w^2, where I is the moment of inertia of the wheel and w is the angular velocity.

Since the wheel is unwinding and there is no slipping, the moment of inertia, I, can be calculated as I = 1/2 * m * r^2.

By equating the initial potential energy (PE) to the final kinetic energy (KE), we can solve for the angular velocity, w.

mgh = 1/2 * (1/2 * m * r^2) * w^2

Simplifying the equation, we get:

2gh = r^2 * w^2

Taking the square root of both sides and rearranging the equation, we find:

w = sqrt(2gh / r^2)

Learn more about angular velocity from the link given below:

https://brainly.com/question/29566139

#SPJ11

Three sections will lengthen the total by 3 mm; hence, the total length of the two gaps should be equal displacement to or larger than 3 mm, making each gap 1.5 mm or greater.

What does physics mean by displacement?

The term "displacement" refers to a shift in an object's position. It is a vector quantity with a magnitude and direction. The symbol for it is an arrow pointing from the initial location to the ending place.

In physics, how do you express displacement?

Displacement in physics is denoted by the symbol s. The Greek word for "change in" is "delta," which is shaped like a triangle. Spatial position is indicated by the letter "s." It stands for "so"

To know more about displacement visit:

https://brainly.com/question/12472287

#SPJ4

Starting from rest on a circular track with a radius of 300 m and a constant tangential acceleration of 0.75 m/s², the car will travel a distance of approximately 0.2119 meters or 21.19 centimeters in 0.75 seconds.

To determine the distance traveled and the time elapsed by the car starting from rest on a circular track with a radius of 300 m and a constant tangential acceleration of 0.75 m/s², we can use the equations of circular motion.

The tangential acceleration is the rate of change of tangential velocity. Since the car starts from rest, its initial tangential velocity is zero (v₀ = 0).

Using the equation:

v = v₀ + at

where v is the final tangential velocity, v₀ is the initial tangential velocity, a is the tangential acceleration, and t is the time, we can solve for v:

v = 0 + (0.75 m/s²) * t

v = 0.75t m/s

The tangential velocity is related to the angular velocity (ω) and the radius (r) of the circular track:

v = ωr

Substituting the values:

0.75t = ω * 300

Since the car starts from rest, the initial angular velocity (ω₀) is zero. So, we have:

ω = ω₀ + αt

ω = 0 + (0.75 m/s²) * t

ω = 0.75t rad/s

We can now substitute the value of ω into the equation:

0.75t = (0.75t) * 300

Simplifying the equation gives:

0.75t = 225t

t = 0.75 seconds

The time elapsed is 0.75 seconds.

To calculate the distance traveled (s), we can use the equation:

s = v₀t + (1/2)at²

Since the initial velocity (v₀) is zero, the equation becomes:

s = (1/2)at²

s = (1/2)(0.75 m/s²)(0.75 s)²

s = (1/2)(0.75 m/s²)(0.5625 s²)

s = 0.2119 meters or approximately 21.19 centimeters

Therefore, the car travels a distance of approximately 0.2119 meters or 21.19 centimeters.

To know more about acceleration refer here:

https://brainly.com/question/30660316#

#SPJ11

No, the elastic potential energy stored in the pole of a pole vaulter is not the only type of potential energy involved in pole-vaulting.

In pole-vaulting, there are multiple forms of potential energy involved. While the elastic potential energy stored in the pole plays a crucial role, other forms of potential energy include gravitational potential energy and kinetic energy.

1. Elastic Potential Energy: The pole used in pole-vaulting is typically made of flexible materials, such as fiberglass or carbon fiber, which store elastic potential energy when bent or compressed. This stored energy is then released, propelling the vaulter upwards.

2. Gravitational Potential Energy: As the vaulter reaches the highest point of their vault, they have gained gravitational potential energy due to their increased height above the ground. This potential energy is converted into other forms of energy as the vaulter descends.

3. Kinetic Energy: Throughout the vaulting process, the vaulter's body also possesses kinetic energy, which is the energy of motion. The vaulter's initial speed and subsequent acceleration contribute to their kinetic energy, allowing them to gain momentum and clear the bar.

Therefore, while the elastic potential energy stored in the pole is an important component, there are other forms of potential energy involved in pole-vaulting, namely gravitational potential energy and kinetic energy.

To learn more about pole-vaulting , visit :

brainly.com/question/17429689

#SPJ11

Answer:

using V= IR

I= 11Ampere

The model that best represents this phenomenon is called Osmosis

In osmosis, a semi-permeable membrane allows the solvent to pass from a higher solvent concentration to a lower solvent concentration (or, to put it another way, from a lower solute concentration to a higher solute concentration).

As a result, the dialysis bag with the highest concentrated starch solution will absorb the most water from the outside (present in the beaker).

Line A thus displays the information gathered from the bag containing the highest concentrated starch solution.

Learn more about Osmosis here:

https://brainly.com/question/16798513?referrer=searchResults

#SPJ4

Answer:

Many species will be affected by increased global temperatures due to following reasons as mentioned.

As snow at poles will continue to melt and habitat for many species will be lost. This is create imbalance in the food chain of oceans which are prime source of food for many species. Some species will thrive as their hunters will be eradicated due to loss of habitat and overall food chain balance will be disturbed. This will cause species to go extinct.

The cycle of rain will be disturbed causing an imbalance in water cycle which will cause droughts and species will suffer and die eventually will go extinct.

a) The inductance of the solenoid is approximately 0.0068 H.

b) The energy stored in the inductor is approximately 0.012 J.

a) The inductance (L) of an air-core solenoid can be calculated using the formula L = (μ₀n²A) / ℓ, where μ₀ is the permeability of free space (4π × 10⁻⁷ T·m/A), n is the number of turns, A is the cross-sectional area of the solenoid, and ℓ is the length of the solenoid.

To calculate the cross-sectional area, we need the diameter (d) of the solenoid. The formula for the cross-sectional area of a circle is A = (π/4)d². Given the diameter, we can calculate the cross-sectional area.

Using the given values of the number of turns, length, diameter, and the constants μ₀ and π, we can calculate the inductance of the solenoid.

b) The energy stored in an inductor (W) can be calculated using the formula W = (1/2)LI², where L is the inductance of the solenoid and I is the current flowing through the wire.

Using the calculated value of the inductance from part a and the given current, we can calculate the energy stored in the inductor.

To know more about inductance refer here:

https://brainly.com/question/31127300#

#SPJ11

The type of electrical signal that exhibits an all-or-none response is action potential. So, option A is accurate.

An action potential is a rapid and brief reversal of the electrical potential across a cell membrane, which occurs in excitable cells such as neurons and muscle cells. It is characterized by an all-or-none response, meaning that once the threshold stimulus is reached, the action potential is generated at full strength regardless of the strength of the initial stimulus.

In an all-or-none response, the action potential either occurs fully or does not occur at all. If the stimulus reaches the threshold level, the cell membrane depolarizes and generates an action potential that propagates along the length of the neuron or muscle fiber. However, if the stimulus does not reach the threshold, no action potential is generated.

This property of all-or-none response ensures the consistency and reliability of signal transmission in the nervous system. It allows for the generation of precise and rapid electrical signals that can propagate over long distances without losing their strength or information content.

To know more about action potential

brainly.com/question/28359542

#SPJ11

Answer:

0.02N

Explanation:

According to Newton's 3rd Law of motion, the bee exerts the same force on the bowling ball as the bowling ball exerts the force on the bee.

We have that for the Question "A 60kg bowling ball collides with a 0.005kg bee with a force of 0.02N. The force the bee exerts is" it can be said that The force the bee exerts is

F=0.02N

From the question we are told

A 60kg bowling ball collides with a 0.005kg bee with a force of 0.02N. The force the bee exerts is

Generally the Newtons  equation for Motion  is mathematically given as

This law perceives two bodies who collide as having forces which are equal as the magnitudes in opposite directions

Therefore

V^2= 2as

Hence

The force the bee exerts is

F=0.02N

For more information on this visit

https://brainly.com/question/23379286

Answer:

Pressure of .2 m^3 of bricks:

Pb = ρ g H = 1.8 ρw * 9.80 m/s^2 * .20 m = 1800  * 9.8 * .2 = 3530 Pascals

ρb = 1.8 ρw = 1.8    since the density of bricks is 1.8 that of water

Pw = 1 * 9.8 * 1000 * .2 = 1960 Pascals

W = P * A   pressure * Area = Force

Pnet = 1570 Pascals - pressure due to bricks under water

F = 1570 N/m^2 * .2m^2 = 63 N     force on pile of bricks