the length of the path traveled by light in a vacuum in 1/299,792,458th of a second

Answer:

The outer shell of the earth, the lithosphere

Explanation:

The seven major plates are the African plate, Antarctic plate, Eurasian plate, Indo-Australian plate, North American plate, Pacific plate and South American plate.

Answer:Its empty car, small child, and then adult.

Explanation:

i took it

Answer:

Its empty car, small child, and then adult.

Answer:

Self control

Explanation:

Self control involves individuals having a strong discipline towards certain conditions. The conditions could be cravings for something or other forms of activities.

Self control is usually developed by people who practice self-regulation through physical exercise and time-managed programs experience as they have been known to bring about an increase in it.

I hope this woll work.Best of luck.Sorry of the answer ia wrong

To find the amount of force on the steel rod inserted perpendicular to the coil with a magnetic field of 3T and pole strength of 500 A-m,

we can use the formula:

Force (F) = magnetic field (B) × pole strength (m) × sin(theta)
In this case, the magnetic field (B) is 3T, pole strength (m) is 500 A-m, and the angle (theta) between the magnetic field and the rod is 90 degrees since the rod is inserted perpendicular to the coil.

Now, we'll plug these values into the formula:
F = 3T × 500 A-m × sin(90)

Since sin(90) = 1, the formula simplifies to:
F = 3T × 500 A-m

Now, multiply the magnetic field and pole strength:
F = 1500 T A-m

So, the amount of force on the rod is 1500 T A-m.

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Answer:

-Relative refractive index– It is the ratio of speed of light in one medium to the speed of light in another medium

-Absolute refractive index– It is the ratio of light in vacuum to the speed of light in another medium.

Explanation:

compressed0.32 meters

Explanation

Step 1

The force exerted by a spring on objects attached to its ends is proportional to the spring's change in length away from its equilibrium length and is always directed towards its equilibrium position.

so

let

replace and solve for x

the negative symbol indicates the spring is compresed

so, the answer is

0.32 meters

I hope this helps you

Answer:

860km

Explanation:

2× 430 = 860km

the rate is 430km per hr. 2 hours means you multiply by 2

Concentrated solar power facilities are solar power—generating facilities that generate electricity at large centralized facilities and transmit that power to homes and businesses through the electric grid .

Solar power refer to electric power or electricity that is generated from sun rays or radiations while using solar panels and other technologies.

Therefore, Concentrated solar power facilities solar power—generating facilities that generate electricity at large centralized facilities and transmit that power to homes and businesses through the electric grid.

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Answer:

A

Explanation:

EDGE22

Heat received by cold water equals heat lost by hot water. 60°C is the ultimate temperature.

An evaluation of an object or substance's warmth or coolness in relation to a reference value.

a measurement of how much heat is required to raise the temperature of a material by one degree Celsius for every gramme.

The unit of measurement for specific heat is Joules per gramme per degree Celsius (J/g °C).

Let c represent the water's specific heat.

based on the calorimetry concept.

Heat received by cold water equals heat lost by hot water.

200 * c * (80 - T) = 100 * c * (T - 20) (T - 20)

∴ 200c (80-T) = 100c(T-20) (T-20)

∴2 (80-T) = T - 20

∴160-2T=T-20

∴ 160+20 = T +2T

∴180 = 3T

∴T = 60 C.

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In electrostatics, the electrical force between two charged objects is inversely related to the distance of separation between the two objects. Increasing the separation distance between objects decreases the force of attraction or repulsion between the objects.

hope this helped

The voltages across R1 and R2 are approximately 2.5 V because they have equal resistances, while the voltage across R3 is not 2.5 V because it has a different resistance than R1 and R2.

The voltage across R3 is not 2.5 V because R3 is not equal in value to R1 and R2. The value of R3 is not given, so we cannot calculate the voltage drop across it. However, we can say that the voltage drop across R3 will be less than 2.5 V, because R3 is smaller than R1 and R2.

Here is the equation for calculating the voltage drop across a resistor:

V = I * R

where:

V is the voltage drop in volts

I is the current in amperes

R is the resistance in ohms

In this case, the current is the same for all three resistors, because they are all connected to the same voltage source. The only difference is the resistance of each resistor.

So, if the voltage drop across R1 is 2.5 V, then the current through R1 is:

\(\begin{equation}I = \frac{V}{R} = \frac{2.5\text{ V}}{1000\Omega} = 2.5\mu\text{A}\)

The current through R2 is also 2.5 μA, because the two resistors are equal in value.

The current through R3 is less than 2.5 μA, because R3 is smaller than R1 and R2. The exact value of the current through R3 depends on the value of R3.

The voltage drop across R3 is calculated using the same equation as above:

V = I * R = 2.5 μA * R3

where:

V is the voltage drop in volts

I is the current in amperes

R is the resistance in ohms

The value of R3 is not given, so we cannot calculate the voltage drop across it. However, we can say that the voltage drop across R3 will be less than 2.5 V, because R3 is smaller than R1 and R2.

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We would apply the relativistic kinetic energy formula which is expressed as

KE = (y - 1)mc^2 = [1/√(1 - v^2/c^2 - 1]mc^2

where

m is the mass of proton

c is the speed of light

v is the speed of the proton

From the information given,

m = 1.67 x 10^-27 kg

c = 3 x 10^8 m/s

v = 0.54c

Thus,

KE = 1.67 x 10^-27 x (3 x 10^8)^2[1/√(1 - (0.54c/c)^2 - 1]

KE = 28.27 x 10^-12 J

We would convert from joules to mev

1 J = 6,241,509,343,260 MeV

28.27 x 10^-12 = 28.27 x 10^-12 x 6,241,509,343,260

KE = 176.48 Mev

the translational kinetic energy is 176.48 Mev

,Paige does 182.9 J of work on the crate as it slides 3.3 m down the ramp.

To determine the work done by Paige on the crate as it slides down the ramp, we need to calculate the component of Paige's force that is parallel to the direction of motion of the crate. This component will do work on the crate by exerting a force in the same direction as the crate's displacement.

We can first calculate the weight of the crate, which is given by

W = mg

where m is the mass of the crate and g is the acceleration due to gravity. We can assume that the crate is on a frictionless surface, so the force of friction is zero. Therefore, the weight of the crate is the only force acting on it parallel to the ramp. Using the angle of the ramp, we can calculate the component of the weight that is parallel to the ramp:

F_parallel = mg sin θ

where θ is the angle of the ramp, which is 20∘. We can also calculate th

m = W/g

where g is the acceleration due to gravity, which is 9.81 m/s^2.

Substituting the values, we get:

m = (F_parallel/sin θ)/g

m = (mg sin θ/sin θ)/g

m = g

Therefore, the mass of the crate is equal to g.

Next, we can calculate the force applied by Paige, which is given by:

F_applied = 69 N

Since Paige is pushing back on the crate, her force is in the opposite direction of the crate's motion, so we need to calculate the negative of F_parallel. Therefore, the net force acting on the crate is:

F_net = F_applied - F_parallel

F_net = 69 N - g sin θ

Finally, we can calculate the work done by Paige on the crate using the formula:

W = F_net d

where d is the distance traveled by the crate, which is 3.3 m. Substituting the values, we get:

W = (69 N - g sin θ) x 3.3 m

Using the value for g and θ, we get:

W = (69 N - 9.81\(m/s^2\)x sin 20∘) x 3.3 m

W = 182.9 J

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Answer:

Distancia = 50.04 metros

Explanation:

Dados los siguientes datos;

Velocidad = 10 km/h

Tiempo = 18 segundos

Para encontrar la distancia;

Conversión:

10 km/h = 10 * 1000/3600 = 2.78 m/s

Distancia = velocidad * tiempo

Distancia = 2.78 * 18

Distancia = 50.04 metros

Por lo tanto, el tren viajaría 50.04 metros antes de detenerse por completo.

Answer:

yes

Explanation:

yes

The maximum values of the electric and magnetic fields for a sinusoidal wave of this intensity E_max ≈ 1026 V/m.

I = 1.4kW/m2 = 1400 W/m2 is the intensity.

The following is the formula for the maximum value of the electric field in respect to intensity:

E max = (I/2(o•c))

Where;

Electric constant _o is equal to 8.85 10(-12) C2/N.m2.

c is the speed of light, which is 3 10(8) m/s.

Thus;

E max = √(2 × 1400)/(8.85 × 10^(-12) × 3 × 10^(8)))

E max 1026 mV

The maximal magnetic field formula is;

E max/c = B max

B max = 1026/(3 × 10^(8))

B max = 3.46 × 10^(-6) (-6) T

The equation for total power is;

P = IA

Where;

A = area = 4 r2.

Ours is given;

Radius: 1.5 10(11) meters

A = 4π × (1.5 × 10^(11))

² = 2.82 × 10^(23) m²

P = 1400 × 2.82 × 10^(23)

P = 3.95 × 10^(26) W

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In words, the R2 of 0.27 means that 27% of the variability in y (24-hour urinary Na) can be explained by x (estimated 24-hour urinary Na) obtained from casual urine specimens at one point in time.

The INTERSALT Study was designed to investigate the relationship between dietary sodium and blood pressure (hypertension) in populations worldwide.

The study included 10,079 men and women from 52 population samples in 32 countries. One of the goals of the study was to quantify the relationship between 24-hour urinary Na (y) and estimated 24-hour urinary Na (x) obtained from casual urine specimens at one point in time.

The investigators presented a simple linear regression of y on x, separately for men and women. The regression equation for men was: Y = 1.03x + 7.19, with R2 = 0.27, n = 1369.

The coefficient of determination, R2, is a statistical measure that represents the proportion of the variance for a dependent variable (y) that's explained by an independent variable (x) or variables in a regression model.

In this case, the R2 of 0.27 means that 27% of the variability in y (24-hour urinary Na) can be explained by x (estimated 24-hour urinary Na) obtained from casual urine specimens at one point in time. The remaining 73% of the variability in y is due to other factors that are not included in the regression model.

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Answer:

Change in velocity, change in direction, change in both velocity and direction

Explanation:

If x(n) is passed through an ideal d/a (digital-to-analog) converter, the reconstructed signal ya(t) will be an analog signal that approximates the original discrete-time signal x(n). The d/a converter converts the discrete-time samples into a continuous-time signal.

To reconstruct the signal ya(t), the d/a converter needs to perform the following steps:

1. Sample and Hold: The d/a converter first samples the discrete-time signal x(n) at regular intervals. This means that it takes snapshots of the signal at specific points in time.

2. Quantization: The sampled values are then quantized, which means they are approximated to a limited set of values. The number of bits used for quantization determines the resolution of the reconstructed signal.

3. Digital-to-Analog Conversion: The quantized values are converted into corresponding analog voltage levels. This process involves reconstructing a continuous-time signal that closely resembles the original waveform.

The reconstructed signal ya(t) is a continuous-time approximation of the original signal x(n). It is important to note that the accuracy of the reconstructed signal depends on the sampling rate and the resolution of the d/a converter. A higher sampling rate and resolution generally result in a more accurate reconstruction.

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Answer:

The longer the wave, the deeper the wave base - True

The greater the wave height, the deeper the wave base - false

The longer the wave, the faster the wave travels- true

The greater the wave height, the faster the wave travels- false

The faster the wave, the greater the wave height - False

Explanation:

When a wave has a high length it means that the wave base will be deeper.

The longer the wave, the deeper the wave base - True

When the weight height is big , the wave base will be deeper.

The greater the wave height, the deeper the wave base - false

The longer the wave, the faster the wave travels- true

The greater the wave height, the faster the wave travels- false

The faster the wave, the greater the wave height - False

Therefore, the maximum elevation the rocket reaches is approximately 1322.9 meters.

define elevation ?

Elevation refers to the vertical distance or height of a location or object above a reference point, such as sea level or ground level. It is often used in geography, surveying, and navigation to describe the height or altitude of a place or feature relative to its surroundings.

The maximum elevation the rocket reaches can be found by first calculating its velocity at the instant the motor turns off and then using the kinematic equation for displacement:

vf = vi + at

where vf is the final velocity, vi is the initial velocity (which is 0 m/s since the rocket starts from rest), a is the acceleration (20 m/s^2), and t is the time interval during which the acceleration is applied (4 s).

vf = 0 + 20 m/s^2 * 4 s = 80 m/s

Now, we can use the kinematic equation for displacement:

Δy = viΔt + 1/2at^2

where Δy is the displacement (or change in elevation), vi is the initial velocity, a is the acceleration (which is now the acceleration due to gravity, -9.8 m/s^2), and t is the time interval during which the object moves (which is the time from when the motor turns off until the object reaches its maximum elevation).

We know that the initial velocity is 80 m/s and that the displacement we are looking for is the maximum elevation. We can solve for t by setting vf to 0 and solving for t:

0 = 80 m/s + (-9.8 m/s^2) * t

t = 8.16 s

Now we can use this value of t to find the maximum elevation:

Δy = viΔt + 1/2at^2

Δy = (80 m/s)(8.16 s) + 1/2(-9.8 m/s^2)(8.16 s)^2

Δy = 1322.9 m

Therefore, the maximum elevation the rocket reaches is approximately 1322.9 meters.

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Answer: Glare appears on a computer screen when light from the surroundings reflects off of the screen's surface. Some computer screens have a special coating to reduce glare. Which best explains how the coating works? The surface of the coating is rough, so light that shines on it gets scattered in many directions.

HOPE THIS HELPS IF NOT SORRY

The surface of the coating is rough, so light that shines on it gets scattered in many directions best explains how the coating works.

A coating is a protective layer that is put to the surface of an item, The coating can be applied for ornament and jewelry.

Paints are a type of coating that protect the surface of the material and also used for its decoration  as well as also used in corrosion prevention.

When any light is to fall on any rough surface in that condition, the light get scattered in many directions.

The surface of the coating is rough, so light that shines on it gets scattered in many directions best explains how the coating works.

Hence, option B is correct.

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The general equation for a wave can be expressed as:

y(x, t) = A sin(kx - ωt + φ)

Where:

y is the displacement of the wave at position x and time t.

A is the amplitude of the wave.

k is the wave number, which is related to the wavelength λ by k = 2π/λ.

ω is the angular frequency, which is related to the frequency f by ω = 2πf.

t is time.

φ is the phase angle, which determines the position of the wave relative to the x-axis at t = 0.

Given the amplitude (A) = 4.0 m, angular speed (ω) = (1/3)π rad/s, and phase angle (φ) = (2/3)π rad, we can deduce the wave equation as follows:

The wave number (k) can be calculated using the formula:

k = ω/v

Where v is the velocity of the wave. Since the problem does not provide any information about the velocity of the wave, we cannot determine the value of k directly. However, we can use the amplitude and wavelength to calculate the velocity of the wave as:

v = λf = λω/(2π)

where f is the frequency of the wave.

Let's assume a wavelength of λ = 8.0 m for simplicity. Then, the velocity of the wave can be calculated as:

v = λω/(2π) = (8.0 m) x (1/3)π rad/s / (2π) = 4/3 m/s

Now, we can calculate the wave number as:

k = ω/v = (1/3)π rad/s / (4/3) m/s = (1/4)π rad/m

Substituting the given values into the general equation, we get:

y(x, t) = 4.0 sin[(1/4)πx - (1/3)πt + (2/3)π]

Therefore, the wave equation is y(x, t) = 4.0 sin[(1/4)πx - (1/3)πt + (2/3)π].

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Answer:

True

Explanation:

took the test and got it right!!

Answer:

to find the displacement, or delta x (change in position) on a velocity graph, you can find the area under the line on the graph: between 1 and 8 seconds, the dog was going at 5m/s, so 5m/s x 8s=40m, for the second part, you have to find the area of both a triangle and a rectangle, so the rectangle would be 5m/s x 5s=25m and the area under the triangle would be (5m/s x 5s)/2=25m/2=12.5m -you divide by 2 because it's a triangle

-afterwards, you would add the area of the 2 sections together, so 40m+25m+12.5m=77.5m

Explanation:

High pressure/low temperature metamorphism occurs in subduction zones, where tectonic plates collide and one plate is forced beneath another, creating conditions of high pressure and low temperature.

High pressure/low temperature metamorphism typically occurs in subduction zones, which are areas where tectonic plates converge and one plate is forced beneath another, forming a subduction zone. As the descending plate sinks deeper into the Earth's mantle, it experiences increasing pressure due to the weight of the overlying rocks. At the same time, the temperature decreases with depth. These conditions of high pressure and low temperature create an environment conducive to high pressure/low temperature metamorphism.

During high pressure/low temperature metamorphism, rocks are subjected to intense pressure from the overriding plate and the surrounding rocks. This pressure, combined with the low temperatures, causes minerals within the rocks to undergo chemical and structural changes. As a result, new minerals may form, and existing minerals may transform into different mineral assemblages that are stable under the specific pressure and temperature conditions.

The rocks that undergo high pressure/low temperature metamorphism in subduction zones are typically composed of oceanic crust or sedimentary rocks that were deposited on the ocean floor. Examples of rocks that can undergo this type of metamorphism include blueschist, eclogite, and garnet-amphibolite. These rocks provide important insights into the processes occurring within subduction zones and the tectonic history of the region

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Answer:

The new volume is the same as the initial volume, i.e. 20 mL.

Explanation:

To find the new volume we can use the Ideal gas law:

\( PV = nRT \)

Where:

P: is the pressure

V: is the volume

R: is the gas constant

n: is the number of moles

T: is the temperature

Initially, we have:

\( \frac{P_{i}V_{i}}{T_{i}} = nR \)    (1)

In the final state:  

\( \frac{P_{f}V_{f}}{T_{f}} = nR \)    (2)

By equating equation (1) and (2) we have:          

\( \frac{P_{i}V_{i}}{T_{i}} = \frac{P_{f}V_{f}}{T_{f}} \)  

\( \frac{P_{i}V_{i}}{T_{i}} = \frac{2P_{i}V_{f}}{2T_{i}} \)  

\(V_{f} = \frac{2T_{i}*P_{i}*V_{i}}{T_{i}*2P_{i}}\)

\( V_{f} = V_{i} \)

\( V_{f} = 20.0 mL \)

Therefore, the new volume is the same as the initial volume, i.e. 20 mL.

I hope it helps you!