Explain how earths lithosphere and asthenosphere work together

The work-energy theorem is a fundamental principle in physics that relates the work done on an object to its change in kinetic energy.

The theorem states that the net work done on an object is equal to its change in kinetic energy:

Net Work = Change in Kinetic Energy

In other words, the work-energy theorem tells us that the work done on an object is equal to the change in its kinetic energy. If work is done on an object, its kinetic energy will change by an amount equal to the work done. Conversely, if the kinetic energy of an object changes, it must be due to work being done on the object.

The work-energy theorem applies to both conservative and non-conservative forces. For conservative forces, the work done depends only on the initial and final positions of the object, and not on the path taken between them.

For non-conservative forces, such as friction, the work done depends on the path taken and may result in a loss of mechanical energy.

The work-energy theorem is a powerful tool for analyzing and solving problems in physics, and it is widely used in many fields, including mechanics, thermodynamics, and electromagnetism.

It allows us to relate the work done on an object to its resulting motion and energy changes, providing a comprehensive picture of the physical system under consideration.

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A full stop means that there is a complete cessation of the forward movement of the vehicle, or stop with no forward motion.

If two or more automobiles arrive at a four-way stop at the same time, the car to the right shall proceed first. "If two or more automobiles arrive at a four-way stop at the same moment, the car on the right shall proceed first."

Your headlights will allow you to see roughly 400 feet ahead of you. You should travel at a speed that permits you to stop within this distance, which is around 50 miles per hour.

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Answer:

Vibrations from neighboring atoms

Explanation:

When a rod is heated, the thermal energy transferred to the molecules of the rod causes them to vibrate faster. As the molecules near the heat source vibrate faster, they eventually transfer their excess energy to neighbouring molecules which also begin to vibrate faster. This continues until heat is distributed throughout the length of the rod.

The process described above is known as heat transfer by conduction.

Evaporation is a cooling process because more energetic molecules escape the liquid, carrying away heat through radiation. Answer: "None of the above".

The release of more energising molecules from the liquid during evaporation causes cooling. The heat energy that these molecules bring with them when they go lowers the liquid's temperature. Not conduction or convection, but heat radiation throughout the operation is mostly to blame for this cooling impact.

Therefore, "none of the above" is the appropriate response. In general, the energy needed to break the intermolecular bonds in the liquid, which lowers the temperature overall, is responsible for the cooling impact of evaporation.

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Answer:

Kepler made extensive measurements and created a mathematical model of the movement of the planets around the sun, these analyzes are written in the form of three laws

Explanation:

Answer:

Earth is not the center

Explanation:

The intensity reflection coefficient (irc) is 1.

The ratio of the intensity of the reflected wave to the incident (transmitted) wave is known as the intensity reflection coefficient.

Intensity of incident (transmitted) sound wave = 50 W/cm².

As it  is totally reflected,  intensity of the reflected sound  wave = 50 W/cm².

Hence,  intensity reflection coefficient =

intensity of the reflected sound wave ÷ Intensity of incident sound wave

= 50  W/cm² /  50 W/cm².

= 1.

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Answer:

periods

Explanation:

The answer is periods i googled it

The linear speed of the helicopter blade is 33.51 m.

The tangential speed of the helicopter blade is calculated as follows;

v = ωr

where;

ω  = 80 rev/min

ω = 80 x 2π rad/rev x 1 min/60s

ω = 8.378 rad/s

v =  8.378 rad/s x 4 m

v = 33.51 m

Thus, the linear speed of the helicopter blade is 33.51 m.

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The complete question is below:

Find the tangential speed of the helicopter's blade.

The y-component of the vector with an x- component of 4.6m and magnitude of 13.7 m would be 12.9 m

The length of a vector, denoted by the notation |v|, can be determined by using the magnitude of a vector formula, which is used to compute the magnitude of the vector itself. This value effectively measures the length that must be traveled from the vector's starting point to its ending position. The formula to determine the magnitude of a vector (in two dimensional spaces):

                                      v = (x, y) is: |v| =√(x2 + y2)

In this case, we have:

Magnitude (v) = 13.7

x-component (x) = 4.6

Thus, the y-component of the vector would be:

|v| =√(x2 + y2).

13.7 = √(4.62 + y2)

y2 = 166.53

y = 12.9

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Explanation:

Los derechos de las mujeres fueron conquistados a través de importantes luchas llevadas a cabo por mujeres, como el movimiento feminista que tuvo lugar a fines del siglo XIX, cuyo principal reclamo fue el derecho al voto de las mujeres.

Con el tiempo, las mujeres ganaron más derechos y una mayor participación en el mercado laboral y en puestos importantes de la sociedad. Pero aún queda mucho por cambiar, ya que las estadísticas aún muestran que hay pocas mujeres en posiciones de poder en relación a los hombres, y el salario de una mujer que ocupa el mismo puesto que un hombre es siempre menor.

Dado que la sociedad se concibió a través de parámetros sexistas, lo que continúa en la actualidad, es claro que en la pandemia específicamente que generó crisis económicas en todo el mundo, se vio a una gran cantidad de mujeres perder sus empleos, además del expresivo número de casos de violencia doméstica que se agravaron en el período de aislamiento social.

Así que estos hechos solo demuestran que la lucha por la igualdad de género y los derechos de las mujeres aún están en sus inicios, a pesar de muchos logros que las mujeres aún deben luchar por lo básico, que es el apoyo social y político además de una legislación más estricta que castiga con más rigor a las agresoras. Las mujeres deben estar protegidas por la ley y las instituciones y los medios de comunicación deben abordar más el tema y promover el feminismo como una lucha por la igualdad.

1) c) The current will lag the voltage; 2) d) Pythagorean Theorem; 3) a) It would be attenuated; 4) b) It would be magnified.


1) In an inductor, the current will lag the voltage due to the property of inductance, which opposes any change in current. This can be observed in the experimental graph as a phase shift between the voltage and current waveforms.
2) To find the total circuit impedance in a circuit containing a capacitor, inductor, and resistor, you can use the Pythagorean theorem. The impedance of each component is considered as the sides of a right-angled triangle, and the total impedance is the hypotenuse.
3) If you record an oscillating EM-wave and play it back 90 degrees out of phase, the wave would be attenuated. This is because the two waves will interfere destructively, reducing the overall amplitude of the resulting wave.
4) If you record an oscillating EM-wave and play it back in phase, the wave would be magnified. This is because the two waves will interfere constructively, increasing the overall amplitude of the resulting wave.

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(P4.33) A dielectric cube of side a, centered at the origin, carries a "frozen- in" polarization" P = kr, where k is a constant.(a)The total bound charge is given by Q_b, and since it is proportional to a^3, the bound charges will add up to zero only if k = 0. Otherwise, there will be a non-zero net bound charge.(P4.35)The total bound charge on the surface is given by Q_b, which is equal to -2χ_e q.

Problem 4.33, we have a dielectric cube of side length a centered at the origin. The polarization is given as P = kr, where k is a constant.

To find the bound charges, we need to consider the divergence of the polarization. The bound charge density, ρ_b, is given by:

ρ_b = -∇ · P

In this case, since P = kr, we can calculate the divergence:

∇ · P = ∂(krx)/∂x + ∂(kry)/∂y + ∂(krz)/∂z

= k + k + k

= 3k

Therefore, the bound charge density is:

ρ_b = -3k

To check if the bound charges add up to zero, we need to integrate the bound charge density over the volume of the cube:

Q_b = ∫∫∫ ρ_b dV

Since the polarization is "frozen-in" and the cube is centered at the origin, we can integrate over the volume of the cube:

Q_b = ∫∫∫ (-3k) dV

= -3k ∫∫∫ dV

= -3k (Volume of the cube)

= -3k (a^3)

The total bound charge is given by Q_b, and since it is proportional to a^3, the bound charges will add up to zero only if k = 0. Otherwise, there will be a non-zero net bound charge.

Problem 4.35, we have a point charge q embedded at the center of a sphere with linear dielectric material of susceptibility χ_e and radius R.

To find the electric field, polarization, and bound charge densities, we can use Gauss's Law for dielectric materials. The electric field inside the dielectric sphere is given by:

E = q / (4πε_0 χ_e R^2) * r

where r is the radial distance from the center.

The polarization, P, is related to the electric field by:

P = χ_e ε_0 E

Substituting the expression for E, we get:

P = χ_e q / (4πR^2) * r

The bound charge density, ρ_b, is given by:

ρ_b = -∇ · P

Since P only has a radial component, the divergence simplifies to:

∇ · P = ∂(χ_e q / (4πR^2) * r)/∂r

= χ_e q / (2πR^2)

Therefore, the bound charge density is:

ρ_b = -χ_e q / (2πR^2)

To find the total bound charge on the surface of the sphere, we integrate the bound charge density over the surface area:

Q_b = ∫∫ ρ_b dA

Since the bound charge is on the surface, we can integrate over the surface area of the sphere:

Q_b = ∫∫ (-χ_e q / (2πR^2)) dA

= -χ_e q / (2πR^2) ∫∫ dA

= -χ_e q / (2πR^2) (Surface area of the sphere)

= -χ_e q / (2πR^2) (4πR^2)

= -2χ_e q

The total bound charge on the surface is given by Q_b, which is equal to -2χ_e q. The negative bound charge is located on the surface of the sphere, compensating for the positive charge at the center.

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The difference in the power required by the motor at start up and at operating speed is 9778.57

This is defined as the rate in which energy is consumed. Electrical power is expressed mathematically as:

Power (P) = voltage (V) × current (I)

P = IV

Power = square voltage (V²) / resistance ®

P = V² / R

P = V² / R

P₁ = 62² / 0.14

P₁ = 27457.14 watts

P = V² / R

P₂ = 37² / 0.14

P₂ = 9778.57 watts

Difference = P₁ - P₂

Difference in power = 27457.14 - 9778.57

Difference in power = 17678.57 watts

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Answer:

True

Explanation:

Study guide answer key

Answer: B

Explanation:

Given that an object of mass 2 kg starts from rest and is allowed to slide down a frictionless incline so that its height changes by 20 m. 

The parameters given from the question are:

Mass M = 2kg

Height h = 20m

Let g = 9.8m/s^2

At the bottom of the incline plane, the object will experience maximum kinetic energy.

From conservative of energy, maximum K.K.E = maximum P.E

Maximum P.E = mgh

Maximum P.E = 2 × 9.8 × 20 = 392 J

But

K.E = 1/2mv^2

Substitute the values of energy and mass into the formula

392 = 1/2 × 2 × V^2

V^2 = 392

V = sqrt( 392 )

V = 19.8 m/s

V = 20 m/s approximately

A) The distance between the two electrons can be calculated using Coulomb's Law:

F = k*(q1*q2)/(r^2),

Where F is the magnitude of the force (9.00 N in this case), k is a constant (8.99 x 10^9 N m^2/C^2), q1 and q2 are the charges of the electrons (both -1.60 x 10^-19 C in this case), and r is the distance between the electrons.

Solving for r,

we get r = sqrt(k*(q1*q2)/F)

= sqrt((8.99 x 10^9 N m^2/C^2)*(-1.60 x 10^-19 C)*(-1.60 x 10^-19 C)/9.00 N)

= 2.26 x 10^-10 m.

B) Using the same equation,

F = k*(q1*q2)/(r^2), we can solve for r when F is:

1.00 N: r = sqrt(k*(q1*q2)/F)

= sqrt((8.99 x 10^9 N m^2/C^2)*(-1.60 x 10^-19 C)*(-1.60 x 10^-19 C)/1.00 N)

= 3.97 x 10^-9 m.

C) The ratio of the distances found in Part B to Part A is:

3.97 x 10^-9 m/2.26 x 10^-10 m

= 1.75.

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The electrical power supplied to the lamp is 100W when the p.d. across it is 24V and the current is 4.2 A.

Electrical power is the rate at which electrical work is done.

The unit of electrical power is Watts.

The experiment will require a 24V Battery, a Lamp marked 24V, 100 W, a key, wires, a rheostat, a voltmeter and an ammeter.

The circuit is completed and the rheostat is adjusted to provide until the voltmeter reads 24V.

The ammeter reading is taken as well.

When the voltmeter reading is 24V, it can be seen that' the ammeter reading for current is approximately 4.2 A.

Calculating, the power of the lamp:

Power = 24 × 4.2 = 100 W

Therefore, the electrical power supplied to the lamp is 100W when the p.d. across it is 24V and the current is 4.2 A.

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Answer: Please find the answer in the explanation

Explanation:

Under what circumstances does distance traveled equal magnitude of displacement?

When a body's motion is linear in one direction. Or a body moving in a straight line without turning back.

What is the only case in which magnitude of displacement and distance are exactly the same?

When the body is moving in a straight line with without changing direction or without turning back.

Answer:

A= l*w

Explanation:

When performing multiplication or division, the result should have the same number of significant digits as the measurement with the fewest significant digits.

In this case, the measurements are:

- Length = 24.5 meters (3 significant digits)

- Width = 21 meters (2 significant digits)

When multiplying these measurements to find the area, the answer should have the same number of significant digits as the measurement with the fewest significant digits, which is 2 significant digits in the width.

So, the area calculation and the final answer should have 2 significant digits.

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Answer:

gravity

Explanation:

the Forest of gravity causes objects to fall toward the center of the Earth.

Answer:

due to gravitational force.

The work is given by:

Plugging the values given we have:

Therefore the man do 120 ft*lb of work

\(\qquad\qquad\huge\underline{{\sf Answer}}\)

The Correct choice is D

Heat always travel from higher temperature body to lower temperature. so we can infer that heat is transferred from the warmer water to the ice cubes which causes melting of that ice in there.

You are handed another spring that is 0.50 m long. You hang the spring from a hook on the ceiling and attach a 0.75-kg mass to the other end of the spring. The stretched spring length is 0.65 m. The spring constant will be 11.31 N

Hooke's law states that the strain of the material is proportional to the applied stress within the elastic limit of that material.

force = - k x

since , spring is hanged , gravitational force must be acting on it , in order to stretch the spring

mass * acceleration = - kx

0.75 * (-9.8) = - k (0.65)

k = 11.31 N/m

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The recommended airspeed while in the traffic pattern for Cessna 172 aircraft is 80 knots.

In accordance with the Embry-Riddle Aeronautical University (ERAU) Standard Operating Procedures Manual (SOPM), the Cessna 172 aircraft will be flown at the recommended airspeed while in the traffic pattern.

The recommended airspeed of 80 knots ensures the aircraft's controllability and stability, allowing the pilot to make precise maneuvers while maintaining the desired flight path and altitude.
The traffic pattern is a standard path that pilots follow when approaching and departing from an airport. The standard traffic pattern shape is like a rectangle that has four legs, each with a length of one nautical mile. The pilot flies the traffic pattern at a fixed altitude and airspeed, allowing other pilots in the traffic pattern to see and avoid the aircraft.
Maintaining the recommended airspeed of 80 knots is essential while flying in the traffic pattern. This speed provides the pilot with enough lift to maintain the desired altitude while still maintaining control over the aircraft. The Cessna 172 is a light aircraft, and its airspeed should be closely monitored while in the traffic pattern, as changes in the airspeed can cause the aircraft to stall or become unstable.
In conclusion, the recommended airspeed for Cessna 172 aircraft in the traffic pattern is 80 knots, which allows the pilot to maintain control over the aircraft and make precise maneuvers while flying in the traffic pattern.

The question should be:
according to erau sopm for the cessna 172, what is the recommended airspeed while in the traffic pattern?

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Explanation:

Work done by torque = magnitude of force * perpendicular distance between the point of action and point(axis) of rotation.

Answer:

Work done by torque = magnitude of force * perpendicular distance between the point of action and point(axis) of rotation.

Explanation:

We can also write this as :-

W = F x d

where,

W->Work Done

F->Force

d->displacement

This issue can be resolved by applying the momentum conservation principle. The total amount of momentum prior to and following the impact are equal. This can be expressed as:

(M1 + M2)vf = m1v1 + m2v2

m1 equals 200 kilograms (mass of wrestler 1)

v1 = 2.3 m/s (velocity of wrestler 1) (velocity of wrestler 1)

v2 = 2.9 m/s (velocity of wrestler 2) (velocity of wrestler 2)

m2 = the wrestler's mass two (unknown)

vf is the wrestlers' combined final speed before the collision (which we know is zero)

It's the same response we previously received. The problem is that the negative sign shows that Wrestler 2's velocity is moving in the opposite direction from Wrestler 1's velocity. Wrestler 2 is therefore traveling against the current. To gather the wrestlers in bulk

If r 2 is 2, we can omit the minus sign and use the absolute value instead:

As a result, wrestler 2 weighs roughly 158.62 kg.

In order to change the momentum of an object, you must exert a certain amount of force over a specific period of time. It is  because of this. For instance, when you strike a ball with a cricket bat, you exert power temporarily (in this case, very briefly) in order to change (or transfer) the momentum of the ball. |m2| = 158.62 kg

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The elements found at Group 1, Period 2 are lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr). These elements are known as alkali metals and have one valence electron in their outermost shell.

The elements found at Period 4, Group 9 are cobalt (Co), rhodium (Rh), and iridium (Ir). These elements are known as transition metals and have high melting and boiling points, are good conductors of electricity and have multiple oxidation states. They are also known for their use in catalytic converters, jewelry, and other industrial applications.

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Answer: b) - 8.0 \(m/s^{2}\)

Explanation: Acceleration is a vector indicating a rate an object's velocity changes over time:

a = \(\frac{v}{t}\)

and its SI unit is \(m/s^{2}\)

For the minivan to stop, it takes a period of 0.5s:

a = \(\frac{4.0}{0.5}\)

a = 8.0 \(m/s^{2}\)

As a vector, acceleration has magnitude (8\(m/s^{2}\)) and direction. Since it is stopping, the minivan has a direction opposite to the other car, which means acceleration is negative. So: a = \(- 8.0 m/s^{2}\).