At these large distances, we cannot use the relation Δλ/λ = v/c because it would imply that

Answer:Explanation: The field lines of the electric charges extend from the positive to negative side charge. ... The force between the two charged balls is attractive. It is directly proportional to the product of their charges and inversely proportional to the magnitude of the distance between them.

Explanation:

hope this helps

Friction is the force that acts on the opposite side of direction of force, thus it manages to decelerate an object, so it acts upward along the plane

Answer:

Friction is ur ans

Explanation:

Friction is the external force that acts on objects and causes them to slow down when no other external force acts upon them. Inertia is the tendency of a body in motion to remain in motion.

Inertia causes an object in motion to remain in motion as per the law of inertia.

Motion is defined as a phenomenon which is described with respect to change in object's position with respect to time.It is given in terms of displacement,velocity,distance ,acceleration,speed.

Branch of physics which deals with motion of objects without any reference to it's cause is called kinematics while the branch which studies forces and their effects on motion is called as dynamics.

Motion applies to various systems like objects,bodies, matter particles ,radiation ,curvature.There are three laws of motion which are proposed by Newton.Classical mechanics is based on Newton's law of motion.Relativistic  mechanics is based on modern kinematics.

Learn more about motion,here:

https://brainly.com/question/3421105

#SPJ5

The statement about the figure that is false is that d,ike K is older than layer I. That is option C.

Cross-cutting relationships is a principle that when a body pass through different layers in geology, it is usually younger than all the layers it passed through.

That is to say that, d,ike K is younger than layer I, D and B which it passed through.

Learn more about fault lines here:

https://brainly.com/question/2938157

#SPJ1

Answer:

If it's not C then it HAS to be B.

Explanation:

By deductive reasoning.

Answer:

2450 J

Explanation:

Given that,

A 50Kg girl jumps off a 5-meter-high diving board.

We need to find the kinetic energy of the girl before she hits the water. At this point the kinetic energy becomes equal to the potential energy such that,

\(K=mgh\\\\K=50\times 9.8\times 5\\\\K=2450\ J\)

So, her kinetic energy right before she hits the water is equal to 2450 J.

Answer:

b)3:2

Explanation:

The dispersive power is the reciprocal of the focal length:

\(P=\frac{1}{f}\)

Given the ratio of focal lengths:

\(\frac{f_1}{f_2} = \frac{2}{3}\\\\\frac{\frac{1}{P_1}}{\frac{1}{P_2}}=\frac{2}{3}\\\\\frac{P_2}{P_1}=\frac{2}{3}\\\\\frac{P_1}{P_2}=\frac{3}{2}\)

Therefore,

P₁ : P₂ = 3 : 2

Hence, the correct option is:

b)3:2

Answer:

i think its b

Explanation:

its been awhile since I've worked on Newton's first law

The coin gains a vertical height of 0.182 m before it stops rolling.

Angular speed is a term used to describe the rate of change of angular movement.

KE = (1/2)Iω² + (1/2)mv²

I is moment of inertia of the coin, ω is angular velocity, m is mass of coin, and v is its linear velocity.

As v = ωr

r is radius of the coin. For a uniform disk, the moment of inertia is given by: I = (1/2)mr²

KE = (1/2)(1/2)mr²ω² + (1/2)mv²

KE = (1/4)mr²ω² + (1/2)mv²

v = ωr

KE = (1/4)mr²(ω²+ 4v²)

KE = (1/4)(0.0214/2)²(45.4² + 4(0)²) = 0.0235 J

As PE = m g h

m g h = KE

mg(h/g) = KE

h = KE/mg

h = 0.0235/(0.0214/2)²(9.81) = 0.182 m

Therefore, coin gains a vertical height of 0.182 m before it stops rolling.

To know more about angular speed, refer

https://brainly.com/question/6860269

#SPJ1

The concept of the pendulum is used in pendulum clocks to keep time. The pendulum swings back and forth in a continuous motion at a fixed rate that is determined by the length of the pendulum and the force of gravity.

This motion is used to regulate the movement of the clock's gears, which control the hands on the clock face.The mechanism of a pendulum clock is such that when the pendulum swings in one direction, it pushes a toothed wheel or gear, which in turn moves the other gears, causing the clock's hands to move forward.

When the pendulum swings back in the opposite direction, it again pushes the gear, causing the hands to move further forward. This cycle continues, with each swing of the pendulum causing the hands to move forward by a set amount. The length of the pendulum determines the rate at which the hands move forward, with longer pendulums causing the hands to move more slowly.

In a pendulum clock, the pendulum swings back and forth in a continuous motion at a fixed rate that is determined by the length of the pendulum and the force of gravity. This motion is used to regulate the movement of the clock's gears, which control the hands on the clock face. The pendulum clock is an improvement on the original verge escapement clocks, which were prone to errors due to the uneven force of the mainspring.The pendulum is a simple yet effective device that can keep accurate time. Its motion is governed by the law of conservation of energy, which states that energy cannot be created or destroyed, only transferred from one form to another.

When the pendulum is pulled to one side and released, it swings back and forth, converting potential energy into kinetic energy and back again. The period of the pendulum, or the time it takes to complete one full swing, is determined by the length of the pendulum and the force of gravity. By adjusting the length of the pendulum, the rate at which it swings can be altered, allowing it to keep accurate time.

To keep the pendulum clock running accurately, it needs to be adjusted periodically. This is done by altering the length of the pendulum, either by moving a weight up or down along the pendulum rod or by turning a screw at the bottom of the pendulum bob. This alters the period of the pendulum, which in turn changes the rate at which the clock runs.

The pendulum clock is a testament to the ingenuity of humanity. By using the simple yet effective concept of the pendulum, clockmakers were able to create accurate timepieces that revolutionized the way we keep time. Today, the pendulum clock may have been superseded by more advanced technologies, but its legacy lives on in the modern clocks and watches we use every day.

To know more about kinetic energy :

brainly.com/question/999862

#SPJ11

Answer:

Image is between F and 2F. And the exact location is:

q = 10.84 cm

Explanation:

The convex lens form different kinds of images with different sizes and locations, for the different positions of an object. In this case, the object is placed 30.5 cm from the convex lens with a focal length of 8 cm. This means that it is the case of the object placed beyond 2F. In this case, the image formed has the following characteristics:

1. Image is real.

2. Image is inverted

3. Image is diminished

4. Image is located between F and 2F

For exact location we use the thin lens formula:

\(\frac{1}{f} = \frac{1}{p} + \frac{1}{q}\)

where,

f = focal length = 8 cm

p = object distance = 30.5 cm

q = image distance = ?

Therefore,

\(\frac{1}{8\ cm} = \frac{1}{30.5\ cm} + \frac{1}{q} \\\frac{1}{8\ cm} - \frac{1}{30.5\ cm} = \frac{1}{q}\)

q = 10.84 cm

Answer:

B

Explanation:

selenium is the right answer.

Answer:

\(2km\)

Explanation:

\(1,000 m=1 km\)

So if you have \(2,000m\), there will be \(1km\) per \(1,000m\).

Therefore:

\(2000m=2km\)

Answer:

The RGB color system is known as a natural color system because it closely mimics the way humans perceive and experience color in the physical world. "RGB" stands for Red, Green, and Blue, which are the primary colors used in this system.

The natural color perception in human vision is based on the activation of three types of cone cells in the retina, which are sensitive to different wavelengths of light. The RGB color system models this trichromatic vision by combining varying intensities of red, green, and blue light to create a wide range of colors.

When red, green, and blue light are combined at full intensity, they produce white light. By adjusting the relative intensities of each primary color, different hues and shades can be achieved. The RGB color model uses a numerical scale from 0 to 255 to represent the intensity of each primary color, allowing for a wide spectrum of colors to be displayed on electronic devices such as screens and monitors.

The RGB color system is commonly used in various digital applications, including photography, graphic design, and display technologies. It is considered "natural" because it closely aligns with human perception and can reproduce a wide range of colors that appear similar to what we see in the physical world.

The bicycle wheel will rotate at a rotational velocity of 6 revolutions per second after 4 seconds. The wheel will turn 12 revolutions during this time.

a) If a bicycle wheel is rotationally accelerated at a constant rate of 1.5 rev/s², and it starts from rest, then its rotational velocity after 4 seconds is 6 revolutions per second.  

Angular acceleration is calculated by the formula

α = Δω/Δt = (ωf - ωi)/t

where α is angular acceleration, Δω is the change in angular velocity, and Δt is the change in time.

ωi = initial angular velocity

    = 0

ωf = final angular velocity

α = 1.5 rev/s²

t = 4 s

ωf = αt + ωi

    = 1.5 rev/s² x 4 s + 0

    = 6 rev/s

b) Through how many revolutions does it turn in this time

Angular displacement is calculated by the formula

θ = ωit + ½αt²

Where θ is angular displacement, ωi is the initial angular velocity, t is time, and α is angular acceleration.

ωi = 0

α = 1.5 rev/s²

t = 4 s

θ = ωit + ½αt²

θ = 0 + ½ x 1.5 rev/s² x (4 s)²

  = 12 revolutions.

Hence, the bicycle wheel will rotate at a rotational velocity of 6 revolutions per second after 4 seconds. The wheel will turn 12 revolutions during this time.

Learn more about velocity from the given link

https://brainly.com/question/80295

#SPJ11

Answer:

E=mc△T

E=0.012(4200)(99-98)

E=50.4J

50.4 joules of heat is used

Weathering is the process that breaks down rocks, soils, and minerals, as well as artificial materials, through contact with the Earth's atmosphere, water, and biological organisms. There are two main types of weathering, chemical and physical, which occur in a variety of environments, including the atmosphere, hydrosphere, and biosphere.

According to the statement, chemical weathering in southern latitudes generates more clay-sized particles than physical weathering in northern latitudes. This, however, is not accurate. Physical weathering can also produce clay-sized particles. Clay particles are created as a result of the weathering of various rock types, including granite, feldspar, and mica. They can form as a result of either physical or chemical weathering processes. Clay-sized particles produced by physical weathering occur when rocks are crushed or broken down into smaller pieces, whereas clay-sized particles produced by chemical weathering occur as a result of the breakdown of primary minerals such as feldspar and mica.

Learn more about chemical weathering here ;

https://brainly.com/question/29616569

#SPJ11

Answer:

Possible Answers:

How the points made can be more complicated or problematic:

The author seems to be focusing on pop culture or pastime activities.

The author isn’t taking into account economic differences between the average citizens of different nations.

All of these examples still follow the American idea of capitalism, not other economic systems.

Explanation:

pf

Explanation:

\(b. \: light\)

Answer:

I. Clockwise moment = 150 Nm

II. Anticlockwise moment = 400 Nm

III. 200 N

III. The anticlockwise moment.

Explanation:

From the question given above, we can obtain the answers to the questions as follow:

I. Determination of the clockwise moment.

Distance (d) = 1.5 m

Force (F) = 100 N

Clockwise Moment =?

Moment = Force × distance.

Clockwise moment = 100 × 1.5

Clockwise moment = 150 Nm

II. Determination of the anticlockwise moment.

Distance (d) = 2 m

Force (F) = 200 N

Anticlockwise Moment =?

Moment = Force × distance.

Anticlockwise moment = 200 × 2

Anticlockwise moment = 400 Nm

III. Determination of who will turn the sea saw.

Clockwise moment = 150 Nm

Anticlockwise moment = 400 Nm

Since the anticlockwise moment is greater than the clockwise moment, it therefore means that the anticlockwise moment will turn the sea saw.

Answer: Equilibrium is the state in which market supply and demand balance each other, and as a result prices become stable. The balancing effect of supply and demand results in a state of equilibrium.

This is the answer please ap mujhe follow kar lo please

Answer:

Label A: red

Label B: yellow

Label C: green

Label D: blue

Label E: violet/purple

I think this should be correct. I'm sorry if I'm incorrect

Based on the degree of refraction from least to most refracted, the colors are as follows: Red, Orange, Yellow, Green, Blue, Indigo, Violet.

Refraction of light is the bending of light rays as they cross the boundary between two media of different densities.

White light consists of seven colors of light; Red, Orange, Yellow, Green, Blue, Indigo, Violet.

The red color has the shortest wavelength and is the least refracted while violet color has the longest wavelength and is most refracted.

Therefore, based on the degree of refraction from least to most refracted, the colors are as follows: Red, Orange, Yellow, Green, Blue, Indigo, Violet.

Learn more about refraction of light at:

#SPJ2

Answer:

Current that reverses direction in the regular pattern is called an alternating current, abbreviated as 'AC'.

Explanation:

hope this helps!

Answer:

Explanation:

Let's look at a mathematical representation of this. The equation for tis is just a souped up version of Newton's 2nd Law:

F - f = ma. It an object is moving at a constant speed, the acceleration of that object is 0. That changes this equation to

F = f which states that the applied Force equals the frictional force, choice a.

Answer:

 its not long dummy, its your imagination

Explanation:

Answer:

A

Explanation:

I got this answer because (by my estimation again) you are looking at 0.04 m/s which is the sound of a measure of a 2 Hz sound frequency. Therefore, for each section on the table diagrams I multiplied the period by their wavelength measurement until I got the value 0.04 m/s. In which A was the only option that gave me that value, providing me with a 2 Hz sound frequency.

Answer:

A

Explanation:

Idont know really i asked my grandpa bc he was a teacher and he said it was A if its wrong then im sry

Answer: 60 nm

Multiply 30 and 2

Electrical polarization refers to the process by which the charges within an object become separated, resulting in the creation of an electric dipole moment. It occurs when an external electric field is applied to the object, causing the positive and negative charges to shift or redistribute, creating an imbalance of charges.

Electrical polarization refers to the process by which the charges within an object become separated, resulting in the creation of an electric dipole moment. When an external electric field is applied to an object, the positive and negative charges within the object shift or redistribute. This redistribution of charges creates an imbalance, with one side of the object becoming positively charged and the other side becoming negatively charged.

This separation of charges creates an electric dipole, which is characterized by a positive charge at one end and a negative charge at the other end. The magnitude of the electric dipole moment is determined by the strength of the external electric field and the distance between the positive and negative charges.

Electrical polarization is a fundamental concept in physics and is observed in various materials, including dielectrics and polar molecules. It plays a crucial role in phenomena such as capacitance and the behavior of insulators in electric fields.

About electrical polarization here:

https://brainly.com/question/17989188

#SPJ11

To say that an object becomes electrically polarized means that its charges are redistributed, resulting in the separation of positive and negative charges within the object.

Electric polarization occurs when the distribution of charges within an object is altered. This can happen when an external electric field is applied to the object, causing the positive and negative charges to shift or separate. The redistribution of charges creates a polarization within the object, with one side becoming more positively charged and the other side becoming more negatively charged.

Electric polarization is an important concept in physics and plays a role in various phenomena, such as the behavior of dielectric materials in capacitors and the formation of induced dipoles. Understanding electric polarization helps us comprehend the interactions between electric fields and matter, and it has applications in technologies like electronics and telecommunications.

To know more about electrically polarized click here:

https://brainly.com/question/32143100

#SPJ11

Answer:

Equivalent resistance, \(\dfrac{1}{R_{eq}}=\dfrac{1}{R_1}+\dfrac{1}{R_2}+....\)

Explanation:

The parallel combination of resistors is given by :

\(\dfrac{1}{R_{eq}}=\dfrac{1}{R_1}+\dfrac{1}{R_2}+....\)

In the parallel combination of resistors, the current through each resistor is the same while the potential divides. On the series combination of resistors, the potential divides while the current hrough the current is the same.