The earth travels in a circle around the sun once every year. The radius of the circle is 98 million miles. What is the speed of the earth in miles per hour? in centimeters per day?.

Answer:

moving them closer together and making the charges more unbalanced

Explanation:

moving them closer together will increase the voltage potential

making the charges more unbalanced. an electrical circuit works by having more charges on one side of a power source.

Answer:

Two fundamental concepts govern energy as it relates to living organisms: the First Law of Thermodynamics states that total energy in a closed system is neither lost nor gained — it is only transformed. The Second Law of Thermodynamics states that entropy constantly increases in a closed system.

Explanation:

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The displacement from Rhonda's car to her campsite 257 m, 34.4° north of west.

Most campgrounds have picnic tables, a place to park your car, and a place to pitch your tent. Bathrooms and taps are often shared. One of the joys of camping is the lack of outdoor gear. But it's also nice to have a comfortable, convenient and cozy campsite. A tent is a small shelter for sleeping while camping.

Camps are areas with tents campfires and surroundings. There are many types of camping but the main methods of camping are backpacking auto-camping and glamping. These top three camping styles have options for every level of camper. Front country camping is also called auto camping because you can drive to the campground. These campsites usually have running water and modern washrooms.

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Electromagnetic waves give off energy. The electromagnetic spectrum shows us that the shorter the wavelength, the higher the frequency, and the greater the energy the wave carries.

Electromagnetic waves are an energized form of oscillating electric on magnetic fields travelling in a cosmic distance. Across the electromagnetic spectrum is an extensive range of frequencies that encompass the entirety of electromagnetic radiation, including lower frequency radios waves to elevated frequency gamma rays.

The wavelength of an electromagnetic wave is the consecution of two successive crests or troughs in the wave's measurement, while its frequency is counted by the total amount of oscillations passing through a mark per second, determined via Hertz (Hz).

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a) The planar density expression for FCC (100) is 4/a^2.

    The planar density expression for FCC (111) is 2 / [(sqrt(3) / 2) * a^2].

b)  The planar density for the FCC (100) plane is 24.63 atoms/nm^2.

    The planar density for the FCC (111) plane is  12.32  atoms/nm^2.

a) To derive the planar density expression for the FCC (100) and (111) directions in terms of the atomic radius R, we need to consider the arrangement of atoms in these planes.

FCC (100) Plane:

In the FCC crystal structure, there are 4 atoms per unit cell. The (100) plane cuts through the middle of the unit cell, passing through the centers of the atoms at the corners. Since the atoms at the corners are shared with adjacent unit cells, we only count a fraction of these atoms.

For the (100) plane, we have 2 atoms in the plane, located at the corners of the square, and 1/2 atom at each of the 4 face centers. Thus, the total number of atoms in the plane is 2 + (1/2) * 4 = 4 atoms.

The area of the (100) plane is determined by the square formed by the lattice vectors a and a, which gives an area of a^2.

The planar density (PD) is defined as the number of atoms per unit area, so we divide the total number of atoms (4) by the area (a^2):

PD(100) = 4/a^2

FCC (111) Plane:

In the FCC crystal structure, there are 4 atoms per unit cell. The (111) plane passes through the centers of the atoms at the corners and the center of the face. Similarly to the (100) plane, we need to account for the fraction of shared atoms.

For the (111) plane, we have 1 atom in the plane, located at the corner of the equilateral triangle, and 1/3 atom at each of the 3 face centers. Thus, the total number of atoms in the plane is 1 + (1/3) * 3 = 2 atoms.

The area of the (111) plane is determined by the equilateral triangle formed by the lattice vectors a, a, and a, which gives an area of (sqrt(3) / 2) * a^2.

The planar density (PD) is defined as the number of atoms per unit area, so we divide the total number of atoms (2) by the area ((sqrt(3) / 2) * a^2):

PD(111) = 2 / [(sqrt(3) / 2) * a^2]

b) Now, let's compute the planar density values for the FCC (100) and (111) planes using the atomic radius R = 0.143 nm for Aluminum.

For FCC (100) plane:

PD(100) = 4 / a^2

For Aluminum, the lattice constant a is related to the atomic radius R by the formula:

a = 4R / sqrt(2)

Substituting the given value of R = 0.143 nm:

a = 4 * 0.143 nm / sqrt(2) ≈ 0.404 nm

Therefore, the planar density for the FCC (100) plane is:

PD(100) = 4 / (0.404 nm)^2 ≈ 24.63 atoms/nm^2

For FCC (111) plane:

PD(111) = 2 / [(sqrt(3) / 2) * a^2]

Using the calculated value of a = 0.404 nm:

PD(111) = 2 / [(sqrt(3) / 2) * (0.404 nm)^2] ≈ 12.32 atoms/nm^2

Therefore, the planar density for the FCC (111) plane is approximately 12.32 atoms/nm^2

Thus,

a) The planar density expression for FCC (100) is 4/a^2.

    The planar density expression for FCC (111) is 2 / [(sqrt(3) / 2) * a^2].

b)  The planar density for the FCC (100) plane is 24.63 atoms/nm^2.

    The planar density for the FCC (111) plane is  12.32  atoms/nm^2.

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11.The time at 75° East longitude would be 1 hour and 20 minutes behind. 12.The time at 135° degrees East longitude would be 4 hours ahead. and 13. the time in Lima, Peru (15° South latitude, 75° West longitude) would also be 9:30 AM.

At 2:00 AM at 90° East longitude, the time at 75° East longitude would be 1 hour and 20 minutes behind. This is because for every 15 degrees of longitude, there is a time difference of approximately 1 hour. Since the two longitudes in question have a difference of 15 degrees, we can divide this by 15 to calculate the time difference.

If it is 8:00 PM at 15° East longitude, the time at 135° East longitude would be 4 hours ahead. Similarly, for every 15 degrees of longitude, there is an approximate time difference of 1 hour. Since the two longitudes in question have a difference of 120 degrees, we can divide this by 15 to calculate the time difference.

There is a 7-hour difference** between 105° West longitude and the Prime Meridian (0° longitude). The Prime Meridian, passing through Greenwich, England, serves as the reference point for determining time zones. As one moves westward from the Prime Meridian, each 15 degrees of longitude corresponds to a time difference of approximately 1 hour. Therefore, the time at 105° West longitude would be 7 hours behind the time at the Prime Meridian.

If it is 9:30 AM in New York (41° North latitude, 75° West longitude), the time in Lima, Peru (15° South latitude, 75° West longitude) would also be 9:30 AM. The latitude does not affect the time difference between the two locations. However, since both locations have the same longitude (75° West), they would experience the same local time. The time difference between different latitudes is primarily significant for determining time zones rather than the actual time within a specific time zone.

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Explanation:

the speed of the dog was 400

Answer:

a planet

Explanation:

If planetesimals, objects that combined to form protoplanets, were to collide head on in the early solar nebula, they would shatter to the point where they would be unable to grow into a larger size, a protoplanet. A protoplanet is a massive object that will eventually become a planet.

Answer:

q=IR

Explanation:

q is voltage

I is current

R is resistance

When a boxer is moving away from a punch, the force experienced is reduced because the time of impact is increased.

The force of a punch is a product of mass and acceleration. The mass of the boxer and the fist of the opponent are constant, so the acceleration of the punch is also constant. However, if the boxer moves away from the punch, the distance that the fist has to travel to make contact with the boxer's body increases. As a result, the time of impact is longer, and the force is spread out over a longer period. This means that the force of the punch is reduced and is less likely to cause injury or knock the boxer down.

In addition, moving away from a punch can also reduce the accuracy of the punch, as the opponent's punch may miss its intended target due to the change in distance between the two boxers.

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Answer:

Reduce friction

The error percentage in measuring the volume of the cylindrical box is 6.3 x 10⁻³ %

The total error percentage in measuring the volume of the cylinder is calculated as follows;

Volume of cylinder = πr²h

Volume of cylinder = π(0.03r)²(0.07h)

Volume of cylinder = (6.3 x 10⁻⁵)πr²h

Error in measuring the volume = 6.3 x 10⁻⁵ x 100% = 6.3 x 10⁻³ %

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This statement is True-  in a driven LCR circuit, the peak value for voltage does not occur at the same time as the peak value for current. they are separated by some phase angle.

An LCR circuit is an electrical circuit that consists of an inductor (L), capacitor (C), and resistor (R) linked in series or parallel. It is also referred to as a tuned circuit, resonant circuit, or LCR circuit. Phasors provide a better framework for understanding the LCR circuit analysis. A spinning quantity is a phasor.

A crucial illustration of a resonant circuit is the LCR circuit. At resonance, the phase angle is equal to zero and the impedance is at its lowest value, Z=R. To control the amount of light emitted by electronic devices like computers, televisions, and smartphones, the LCR circuit is a component of these gadgets.

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Answer:

D. Objects in which the number of negative charges equal to the positive.

Explanation:

Neutrons have no charges.

I am 100% sure.

The wavelength range of photons that produce 40-keV electrons in Compton scattering is approximately 0.031 nanometers to 0.035 nanometers.

In Compton scattering, a photon collides with an electron, causing the photon to lose energy and change direction. The amount of energy lost by the photon is determined by the angle of scattering and the initial energy of the photon.

The maximum energy that can be transferred to the electron is equal to the energy of the incident photon minus the energy of the scattered photon.

To calculate the wavelength range of photons that produce 40-keV electrons in Compton scattering, we can use the equation E = hc/λ, where E is the energy of the photon, h is Planck's constant, c is the speed of light, and λ is the wavelength of the photon. Rearranging the equation, we get λ = hc/E.

For a 40-keV electron, the energy of the incident photon can be calculated by subtracting the rest mass energy of the electron from the total energy: E = 40 keV + 511 keV = 551 keV. Using the above equation, we can calculate the wavelength range to be approximately 0.031 nm to 0.035 nm.

This range falls within the X-ray region of the electromagnetic spectrum and is commonly used in medical imaging and material analysis.

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The woman's eyes have a power of approximately 12.5 diopters, allowing her to see objects clearly at a distance of 8.00 cm.

The power of the eye is a measure of its ability to refract light and focus it onto the retina. It is given by the formula P = 1/f, where P is the power in diopters and f is the focal length in meters. In this case, the woman can see an object clearly at a distance of 8.00 cm, which is equivalent to 0.08 meters. To find the power of her eyes, we can use the formula P = 1/f. Substituting the distance into the formula, we get P = 1/0.08 = 12.5 diopters. Therefore, the power of the woman's eyes is approximately 12.5 diopters, allowing her to see objects clearly at such a close distance.

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ANSWER

EXPLANATION

Parameters given:

Speed of electron, v = 4.10 * 10^3 m/s

Magnetic field, B = 1.45 T

Magnetic force, F = 1.40 * 10^(-16) N

To find the angle that the velocity of the electron makes with the magnetic field, apply the formula for magnetic force:

where θ = angle

q = electric charge = 1.6 * 10^(-19) C

Make θ the subject of the formula:

Therefore, the angle that the velocity makes is:

To find the second angle, subtract the angle from 180 degrees:

The angles are:

Answer:

What is the question?

Explanation:

If you tell me the question I can help.

Solar cells and chloroplasts are similar in that they both harness energy from sunlight.

Plants and algae are natural biological solar collectors. These organisms support most life on Earth by capturing light energy from the sun and converting it into dense energy molecules through the process of photosynthesis. Both solar cells and plants get their energy from sunlight. Photovoltaic solar cells collect sunlight and convert it into electricity.

Plant leaves collect sunlight and convert it into stored chemical energy. Solar cells and plants do the same thing but in different ways. Solar energy is obtained as chemical energy in the process of converting water and carbon dioxide into glucose. Oxygen is released as a by-product. Cellular respiration uses oxygen to break down glucose releasing chemical energy and heat in the process.

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True. The step of a flywheel is the surface that the pressure plate of the clutch contacts, and it is an important factor in the function of the clutch.

The step provides a flat and even surface for the pressure plate to push against, which allows it to develop the necessary clamping force to keep the clutch from slipping.

If the step of the flywheel is not deep enough, the pressure plate may not be able to develop enough clamping force to keep the clutch from slipping. This can result in poor performance, increased wear on the clutch, and potential damage to other components of the transmission. Therefore, it is important to ensure that the step of the flywheel is within the manufacturer's specifications during installation or replacement of the clutch.

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The statement is true. The step depth of a flywheel is crucial in a clutch system as it impacts the amount of clamping force the pressure plate can exert to prevent the clutch from slipping, affecting power transmission and potentially causing damage.

The statement 'If the step of a flywheel is not deep enough, the pressure plate will not develop enough clamping force to keep the clutch from slipping.' is indeed True.

In automotive engineering, the depth of the 'step' on the back of the flywheel is critically important for the operation of the clutch. The step is the recessed area where the plate fits. If it's not deep enough, the pressure plate can't exert enough pressure on the clutch disc to keep it from slipping when the engine's power is transmitted through the clutch. This may cause a loss of power to the wheels, excessive wear, and potential damage to other clutch components.

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Answer:

I would add a higher center of gravity, and make the car shaped in a way where wind could hit it, and the wind won't affect the car's movement whatsoever.

Explanation:

A higher center of gravity ensures that your car will take less effects from the wind, and the shape would make it barely noticeable.

It is simpler to maintain your balance the lower your center of gravity is. You can lean over more if you're sitting down than if you're standing. You can lean further to one side or the other when your center of gravity is low.

From a handling perspective, lower is better since it lessens weight transfer during cornering and braking and lessens the tendency to roll over.

For safe handling, the height of the vehicle's center of gravity is crucial. You are more likely to go over if your center of gravity is high, like in the case of having large or stacked-high cargo on top.

It is especially hazardous when driving around curves or when swerving to avoid hazards.

Increase the center of gravity of the vehicle and shape it so that it can be hit by wind without the wind having any impact on how the vehicle moves.

Therefore, Your car will be less affected by the wind if it has a higher center of gravity, and the shape would barely be evident.

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Answer:

Finley, Xander and Max

Explanation:

v = Final velocity

t = Time

u = Initial velocity = 0

a = Acceleration

From kinematic equations we get

\(v=u+at\\\Rightarrow a=\dfrac{v-u}{t}=\dfrac{v-0}{t}\\\Rightarrow a=\dfrac{v}{t}\)

Xander

v = 4.5 m/s, t = 3.5 s

\(a=\dfrac{4.5}{3.5}\\\Rightarrow a=1.29\ \text{m/s}^2\)

Finley

v = 3.6 m/s, t = 4.2 s

\(a=\dfrac{3.6}{4.2}\\\Rightarrow a=0.86\ \text{m/s}^2\)

Max

v = 7.3 m/s, t = 1.2 s

\(a=\dfrac{7.3}{1.2}\\\Rightarrow a=6.083\ \text{m/s}^2\)

The required list is Finley, Xander and Max.

Answer:

Finley, Xander and Max

Explanation:

The distance of the image from the converging lens is 4 cm. The image formed is real.

Distance of object from the converging lens, u = -6 cm

Focal length of the converging lens, f = 12 cm

A lens that generates a real image by converting parallel light beams to convergent light rays is known as the converging lens. The optical centre or axis of a converging lens serves as the focal point for light.

Applying lens formula,

1/u + 1/v = 1/f

1/v = 1/f - 1/u

1/v = (1/12) - (1/-6)

1/v = (1/12) + 1/6

1/v = 18/72

Therefore, the distance of the image from the converging lens is,

v = 72/18

v = 4 cm

The image is real and so long as the object is not in the center of the lens.

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Some underwater earthquakes shake the ocean floor and cause large sea waves that destroy property and threaten lives. Such a sea wave is called a "tsunami."

Tsunamis are incredibly powerful and can travel great distances at high speeds. They are caused by the displacement of a large amount of water, usually due to an earthquake, but can also be caused by volcanic eruptions or landslides. Tsunamis can travel across entire ocean basins and can reach speeds of up to 800 kilometers per hour, but they are usually imperceptible in deep water. As the waves approach the shore, their height increases and they can cause devastating damage to coastal communities and infrastructure. Tsunamis can cause widespread destruction and loss of life and are major natural disasters that can affect coastal communities around the world.

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The time it takes for the car to fall from a certain height would not be affected by the time it takes for the ball to fall, even if the car's velocity were doubled.

If the car's velocity were doubled, the time it takes for the car to fall would not be affected by the time it takes for the ball to fall. This is because the time taken for an object to fall from a certain height is determined by the acceleration due to gravity and the distance from the ground, but not by the object's initial velocity.

The acceleration due to gravity is constant, which means that the time taken for an object to fall a certain distance is also constant. This means that the time taken for the ball to fall and the car to fall from the same height would be the same, regardless of the car's velocity.

This can be explained by the equation of motion for a falling object:

d = 1/2gt²,

where d is the distance from the ground, g is the acceleration due to gravity, and t is the time taken to fall.

Since the acceleration due to gravity is constant, the time taken for the car and the ball to fall the same distance would be the same, regardless of their initial velocity.

Therefore, if the car's velocity were doubled, the time it takes for the car to fall would be the same as before, but it would be moving faster when it hits the ground.

In conclusion, the time it takes for the car to fall from a certain height would not be affected by the time it takes for the ball to fall, even if the car's velocity were doubled.

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From Newton's second law of motion, the acceleration of the crate is 0.84m/\(s^{2}\)

Given that a 25 kg crate is pushed horizontally with a force of 70N and the coefficient of friction is 0.20

To calculate the acceleration of the crate, We will consider the net force acting on the crate. The net force will be sum of the applied force F and the frictional force \(F_{r}\).

Let us first calculate the frictional force \(F_{r}\). That is,

\(F_{r}\) =- μN

\(F_{r}\) = μmg

\(F_{r}\) = 0.2 x 25 x 9.8

\(F_{r}\) = 49N

Using Newton's second law,

F = ma

F - \(F_{r}\) = ma

70 - 49 =  25 a

21 = 25a

a = 21 / 25

a = 0.84 m/\(s^{2}\)

Therefore, the acceleration of the crate is 0.84m/\(s^{2}\)

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Equation that describes the motion of bobber, where the high point corresponds to the time t y = 1.5 sin(2πt/3).

The motion of the bobber can be described by a sinusoidal function, with the high point corresponding to the time t.

The amplitude of the oscillations is 1.5 inches, and the period of the oscillations is 3 seconds.

Therefore, the equation that describes the motion of the bobber can be written as: y = 1.5 sin(2πt/3)In this equation,

y represents the displacement of the bobber from its equilibrium position, and t represents time.

The displacement is measured in inches and the time is measured in seconds.

This equation describes the bobber's motion as it oscillates back and forth in simple harmonic motion, with the high point corresponding to the time t.

The bobber reaches its maximum displacement of 1.5 inches from its equilibrium position at t = 0, 3, 6, etc. and reaches its minimum displacement at t = 1.5, 4.5, 7.5, etc.

The bobber returns to its high point at t = 3, 6, 9, etc.

Your question is incomplete most probably your full question was

a fishing bobber oscillates in simple harmonic motion because of the waves in a lake. the bobber moves a total of 1.5 inches from its low point to its high point and returns to its high point every 3 seconds. write an equation that describes the motion of the bobber, where the high point corresponds to the time t

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