Where would you find the photosphere

Answer:

Energy implies as the object’s capability to perform work. It is something that cannot be created or destroyed but can only be transformed. An object loses its energy, when it performs work, whereas it gains energy when the work is performed on it. Energy is broadly classified as kinetic energy and potential energy. While kinetic energy is the energy which an object contains because of a particular motion.

On the other hand, potential energy is the stored energy, because of its state of rest. As both the two forms of energy are measured in joules, people get easily confused between these two. So, take a read of the article which will help you to understand the differences between kinetic and potential energy.

Explanation:

Hope this helps - Good luck ^w

Answer:

Energy stored in an object due to its position is Potential Energy. · Energy that a moving object has due to its motion is Kinetic Energy.

Explanation:

The forces on the jet during takeoff are:

Gravity (a): This is the force exerted by the Earth's mass on the jet, pulling it downwards.

Thrust (g): This is the force generated by the jet's engines to move the jet forward and overcome drag and gravity.

Drag (f): This is the force exerted by the air resistance on the jet in the opposite direction of its motion.

Normal Force (d): This is the force exerted by the runway surface on the jet perpendicular to its direction of motion to balance the force of gravity.

Spring force (b), tension (c), and friction (e) are not present in this scenario, as stated in the problem.

Gravity: Gravity is the force that pulls objects towards the center of the Earth. In the case of a jet taking off, the force of gravity pulls the jet down towards the Earth. The weight of the jet is determined by its mass and the acceleration due to gravity (9.81 m/s^2).

Thrust: Thrust is the force generated by the jet's engines that propels the jet forward. During takeoff, the engines generate enough thrust to overcome the force of gravity and allow the jet to become airborne. The magnitude of thrust depends on various factors such as the type of engine and the weight of the jet.

Drag: Drag is the force that opposes the motion of the jet through the air. As the jet accelerates down the runway, it experiences drag from the air resistance. The magnitude of drag depends on various factors such as the speed of the jet, the shape of the jet, and the density of the air.

Normal Force: The normal force is the force exerted by a surface perpendicular to the object in contact with it. In the case of a jet taking off, the normal force is exerted by the runway surface on the jet. It balances the force of gravity and supports the weight of the jet as it accelerates down the runway. The magnitude of the normal force depends on the weight of the jet and the angle at which it is inclined.

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Answer:

P Q

c) 30 10

Explanation:

Answer:

The overall charge on the wall is zero.

Explanation:

Because the atoms making the wall are neutral i.e. number of positive charges are equal to number of negative charges.

The amount of charge of two charged objects separated by 3 cm and exerting 3.6N force is 0.057×10^-3

Coulomb's law states that the equation of force between point charges is 0.057 10 -3.

F=(q1q)^2/4πϵ0r^2

Force, F=3.6N

The charges are the same, q1=q2=q.

r=3 cm = 0.03 m

K= 1/4πϵ0= 10^9Nm^2/c^2

3.6 = q^2 / 109 (0.03)^2

q^2=0.00324 10 ^-9

q= 0.057 10^-3

Coulomb's inverse-square law, sometimes known as Coulomb's law, is a physical experiment that measures the amount of force between two stationary, electrically charged particles. The electric force that exists between two charged things at rest is known as electrostatic force or Coulomb force.

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The apparent weight of the rider in the fourth car at the lowest point on the track before the loop is 30.4 times their weight (mg).

To determine the apparent weight of the rider in the fourth car at the lowest point on the track before the loop, we need to consider the forces acting on the rider at that point.

At the lowest point on the track before the loop, the rider experiences both the weight force (mg) and the centripetal force (Fc) due to the circular motion. The apparent weight is the combination of these forces.

The centripetal force is given by:

Fc = m * (v^2 / r)

where m is the mass of the rider, v is the speed of the car, and r is the radius of the circular path.

- Radius (r) = 15 m

- Speed (v) = 21 m/s

Let's assume the mass of the rider is represented by m.

First, we calculate the centripetal force:

Fc = m * (v^2 / r)

Fc = m * (21^2 / 15)

Fc = m * 441 / 15

Fc = 29.4m

At the lowest point, the apparent weight (Wa) is the sum of the weight force and the centripetal force:

Wa = mg + Fc

Since we want the apparent weight as a multiple of the weight (mg), we can express it as:

Wa = (mg + Fc) / mg

Substituting the value of Fc:

Wa = (mg + 29.4m) / mg

Wa = (1 + 29.4) = 30.4

Therefore, the apparent weight of the rider in the fourth car at the lowest point on the track before the loop is 30.4 times their weight (mg).

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Answer:

Isn't it technically your brain? Because it's always in your skull and when you're younger you have cracks in your skull but as you grow, your skull fossilizes to mend those cracks. IT FOSSILIZES!

Explanation:

Answer:

what could be rhe answer

Answer:

Also will be doubled

Explanation:

because potential energy is directly proportional to mass which means when mass or height increases the potential energy will also increases

The difference was that the Copernican complex need many fewer epicycles than the Ptolemaic system because it moved the Sun to the center.

In summary, Copernicus's replica of the solar system contains roughly the same number of epicycles as Ptolemy's, the only contrast being that Copernicus' epicycles are much smaller than Ptolemy's. Ptolemaic model – The Earth is at the mean of the universe and everything in the universe revolves throughout the Earth. Copernican model – The Sun is at the center of the universe and the bulk of the bodies in the universe revolve around the Sun. Through Islamic astronomers, Ptolemy's fixed spheres became a standard feature of medieval cosmology. When Copernicus proposed a heliocentric model with Earth and the planets all orbiting the Sun, it was forced to abandon the notion that there is no empty space between the spheres.

So we can conclude that Copernicus's model was not other more accurate than Ptolemy's which were actually equivalent.

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Explanation:

Michael should put the vase at the bottom of the shelf to reduce the potential energy because the height of the vase to the floor is nearly zero.

The quantity that will have the same value along their paths is their acceleration option (D).

The rate at which the speed and direction of a moving object alter over time is known as acceleration. When anything begins to move faster or slower, it is said to be accelerating.

If we ignore air resistance, there will only be one force acting on the balls because they are all hurled straight up into the air: the force of gravity.

Where m is the ball's mass, the force of gravity acting on each ball is given by

The acceleration caused by gravity is known as g (9.8 m/s², downhill).

According to Newton's second law,

F=ma,

where F is the net force exerted on the ball:

And after simplifying, we discover that the acceleration of each ball is: and since g is a constant value, we draw the conclusion that each ball's acceleration is the same regardless of mass or initial speed.

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Complete question is "If several balls are thrown straight up with different initial speeds, the quantity that will have the same value along their paths is their(A) initial momentum.(B) maximum height.(C) time of travel.(D) acceleration".

A change in temperature frequently causes substances to change phases. Most substances are solid at low temperatures; as the temperature rises, they become liquid; and at still greater temperatures, they become gaseous.

Melting is the conversion of a solid into a liquid (an older term that you may see sometimes is fusion). Solidification is the process where a liquid turns into a solid. The melting point, or the temperature at which a pure substance begins to melt, is a property of that substance. A solid must expend energy to become a liquid. A specific quantity of energy is required by every pure substance in order to transform from a solid to a liquid. This amount is known as the substance's enthalpy of fusion (or heat of fusion).

The complete question is- The diagram shows how states of matter can change when energy is either added or removed.

System before change

System after change

00000

00000

00000

00000

00000

00000

00000

All of these statements below are true EXCEPT

Energy was added to the matter causing the particle movement to increase.

The matter changed states which is a physical change.

The particles in the matter before the change had more energy than after the change.

The particles in the matter before the change had less energy than after the change.

the diagram is attached below.

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There is no percentage increase in the collision frequency when the temperature is raised by 10 K at constant volume.

The collision frequency (z) and collision density (Z) in carbon monoxide at 25°C and 100 kPa are given. There is no percentage increase in collision frequency when the temperature is raised by 10 K at constant volume.

To calculate the collision frequency (z) and collision density (Z) in carbon monoxide (CO) at 25°C and 100 kPa, we need to use the kinetic theory of gases.

Given information:

- Carbon monoxide molecule radius (R): 180 pm (picometers) = 180 × 10^(-12) m

- Temperature change (ΔT): 10 K

- Initial temperature (T): 25°C = 298 K

- Pressure (P): 100 kPa

The collision frequency (z) can be calculated using the formula:

z = (8 * sqrt(2) * pi * N * R^2 * v) / (3 * V),

where N is Avogadro's number, R is the molecule radius, v is the average velocity of the molecules, and V is the volume.

The collision density (Z) can be calculated using the formula:

Z = (z * N) / V.

First, let's calculate the initial collision frequency (z) and collision density (Z) at 25°C and 100 kPa.

Using the ideal gas law, we can calculate the volume (V) at 25°C and 100 kPa:

V = (n * R_gas * T) / P,

where n is the number of moles and R_gas is the ideal gas constant.

Assuming 1 mole of carbon monoxide (CO):

V = (1 * 8.314 J/(mol·K) * 298 K) / (100,000 Pa) = 0.0248 m³.

Next, let's calculate the initial collision frequency (z) using the given values:

z = (8 * sqrt(2) * pi * N * R^2 * v) / (3 * V)

 = (8 * sqrt(2) * pi * 6.022 × 10^23 * (180 × 10^(-12))^2 * v) / (3 * 0.0248)

 ≈ 6.64 × 10^(34) m^(-1)s^(-1).

Finally, let's calculate the initial collision density (Z):

Z = (z * N) / V

 = (6.64 × 10^(34) m^(-1)s^(-1) * 6.022 × 10^23) / 0.0248

 ≈ 8.07 × 10^(34) m^(-3)s^(-1).

To calculate the percentage increase in collision frequency when the temperature is raised by 10 K at constant volume, we can use the formula:

Percentage increase = (Δz / z_initial) * 100,

where Δz is the change in collision frequency and z_initial is the initial collision frequency.

To calculate Δz, we can use the formula:

Δz = z_final - z_initial,

where z_final is the collision frequency at the final temperature.

Let's calculate Δz and the percentage increase:

Δz = z_final - z_initial = z_final - 6.64 × 10^(34) m^(-1)s^(-1).

Since the volume is held constant, the number of collisions remains the same. Therefore, z_final is equal to z_initial.

Δz = 0.

Percentage increase = (Δz / z_initial) * 100 = (0 / 6.64 × 10^(34) m^(-1)s^(-1)) * 100 = 0%.

Therefore, there is no percentage increase in the collision frequency when the temperature is raised by 10 K at constant volume.

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A 100 kilogram asteroid traveling at 20,000 m/s enters Earth's atmosphere with a KE of 2 × 1010 J and a GPE of 9.8 x 109 J if it is 1 x 107 m above the planet's surface.

If the asteroid reached land, a considerable amount of dust would be discharged into the atmosphere. If it hit water, there would be an increase in water vapor in the atmosphere. Further rain would follow, which would bring about mudslides and landslides.

The kinetic energy (KE) of the asteroid can be calculated using the formula:

KE = 0.5 * mass * velocity^2

KE = 0.5 * 100 kg * (20,000 m/s)^2

KE = 2 x 10^10 J

Therefore, the answer is option C) 2 x 10^10 J.

The gravitational potential energy (GPE) of the asteroid can be calculated using the formula:

GPE = mass * acceleration due to gravity * height

Substituting the given values, we get:

GPE = 100 kg * 9.8 m/s^2 * 1 x 10^7 m

GPE = 9.8 x 10^9 J

Therefore, the answer is option A) 9.8 x 10^9 J.

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Assuming the speed of the wave is taken as the speed of sound wave in air that is 340 m/s. The wavenumber for 262 Hz is 0.77 m⁻¹ and that for 294 Hz is 0.86 m⁻¹ .

The wave number of a wave is the number of wavelengths passing through unit length. It is the inverse of wavelength.

Wave number is directly proportional to the frequency.

The relation between frequency and wave number is written as:

wave number = ν/v

where v is the speed of the wave and ν is the frequency.

The wave number of the wave with the frequency of 330 Hz is then,

330 Hz/ 340 m/s = 0.97  m⁻¹

and for the remaining frequencies:

349 Hz /340 m/s =  1.052  m⁻¹

for 392 Hz,

392 Hz/340 m/s = 1.15  m⁻¹

For 440 Hz,

440 Hz/340 m/s = 1.29  m⁻¹.

for 494 Hz,

494 Hz/340 m/s = 1.45  m⁻¹

and  for 523 Hz,

523 Hz/340 m/s = 1.53  m⁻¹

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Answer:

59.19%

Explanation:

Step 1:

Data obtained from the question. This include the following:

Input temperature = 495 K.

Output temperature = 293 K.

Efficiency =..?

Step 2:

Determination of the efficiency of the engine.

Efficiency is simply defined as the ratio of output to input times 100. Mathematically, it is expressed as:

Efficiency = output /input x 100

With the above formula, we can calculate the efficiency of the engine as follow:

Input temperature = 495 K.

Output temperature = 293 K.

Efficiency =..?

Efficiency = output /input x 100

Efficiency = 293/495 x 100

Efficiency = 59.19%

Therefore, the efficiency of the engine is 59.19%

Answer:

0.41

Explanation:

Trust me bro

ANSWER:

0.4081%

Explanation:

Difference=24.6-24.5=0.1

Relative error = 0.1/24.5*100=0.4081%

Relative error is equal to the = difference between both the values/The true value *100

Answer:

Explanation:

The gravitational force between two objects can be calculated using the formula:

F = G * (m1 * m2) / r^2

Where F is the gravitational force, G is the gravitational constant (6.67 x 10^-11 Nm^2/kg^2), m1 is the mass of one object (60 kg), m2 is the mass of the other object (5.67 x 10^26 kg), and r is the distance between the two objects (the radius of Saturn, 6.3 x 10^7 m).

F = 6.67 x 10^-11 * (60 * 5.67 x 10^26) / (6.3 x 10^7)^2

F = 6.67 x 10^-11 * 3.402 x 10^33 / 3.969 x 10^14

F = 2.30 x 10^19 N

So the gravitational force on a 60 kg man on Saturn would be approximately 2.30 x 10^19 N.

Therefore, the image is formed at a distance of -70 cm from the lens and it is an inverted image with a height of 2.0 cm.

Given data:

Object height (h) = 2.0 cm, Object distance (u) = -70 cm, Focal length (f) = 35 cm

Lens formula is given as follows:

`1/f = 1/u + 1/v`

where, f = focal length of the lens, u = object distance from the lens, v = image distance from the lens

By using the lens formula,

the image distance (v) can be calculated as

:1/f = 1/u + 1/v1/35 = 1/-70 + 1/v1/v = 1/-70 - 1/35 = -3/210 = -1/70v = -70 cm

The negative sign indicates that the image is formed on the same side of the lens as the object.

Therefore, it is an inverted image.

The image height can be calculated using the magnification formula which is given as follows:

`m = -v/u`

where, m = magnification

v = image distance from the lens, u = object distance from the lens

Substituting the values, we get:

`m = -v/u`

`m = -(-70)/(-70)

`m = 1

The positive value of magnification indicates that the image is an upright image.

The height of the image can be calculated as:

`m = -v/u``1 = -v/(-70)`v = -70 cm

`h_i = m × h_o`

`h_i = 1 × 2.0 = 2.0 cm

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Answer:

ofc it is D because the distance is far and the plane is the fastest.

Explanation:

Answer:

The answer is A

Explanation:

Most postal company hany ships with large amounts of mail because it is the cheapest way to send mail.

Cosmic Dust.

Why? When stars explode, or die, they releases dust and gas.

To solve this we must be knowing each and every concept related to galaxy. Therefore, cosmic dust of a galaxy consists of tiny particles that look smoky or cloudy and can be found in the space between stars.

Galaxies are collections of stars as well as other celestial objects that are gravitationally bound. The cosmos contains and over 100 billion galaxies, each of which has stunning formations seen in photographs captured by telescopes of the far sky.

According to Samuel, a galaxy's shape is the result of continual interactions between its many components. The majority of the mass is provided by the dark matter, which uses gravity to hold everything together. Cosmic dust of a galaxy consists of tiny particles that look smoky or cloudy and can be found in the space between stars.

Therefore, cosmic dust of a galaxy consists of tiny particles that look smoky or cloudy and can be found in the space between stars.

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Answer:

Explanation:

perfect drawing

The electrical operating conditions are typically measured with Multimeter, Oscilloscope, and Clamp Meter. Thus, option D is the accurate answer.

A multimeter is the most common and versatile instrument which is used to measure the voltage, resistance, and current passing through the conductors. IT can able to provide continuous frequency. An Oscilloscope is also a device used to measure electrical waveforms

A clamp Meter is a small handheld device that can able to measure both AC and DC currents in the circuit in digital format. It uses a small induction coil to measure the amount of current passing through the conductor.

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The complete question is:

the electrical operating conditions are typically measured with a(n):

a. Multimeter

b. Oscilloscope

c. Clamp Meter

d. All the above

The electric fields is always directed from higher potential to the lower potential.

The electric fields always aiming from the region of higher potential to the region of lower potential. So the force of electrostatic and the direction of the travel of electrons will be always from lower potential to the region of higher potential.

An electric field is defined as the physical field which covers the electrically charged particles and also they can apply force on all other charged particles.

So we can conclude that the electric fields is always directed from higher potential to the lower potential.

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Answer:c large, spherical body that orbits in a clear path around a star

Explanation:]

All planets in the universe are the large, spherical body that orbits in a clear path around a star. Therefore, option (C) is correct.

Planets can be described as astronomical bodies which are orbiting a star and are big enough to have their own gravity.

In the solar system, a planet is a body that revolves around the sun in fixed orbits and does not have the light of its own but reflects the light of the sun. They do not twinkle like other stars which are too close to us.

Our solar system consists of 8 planets which are in the order of Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

With approximately two trillion galaxies within our observable Universe,  and are approximately 10²⁵ planets that orbit stars, with some approximately 10²⁶ to 10³⁰ additional starless planets.

Therefore, option (c) is correct according to which planets are the large, spherical body that orbits in a clear path around a star.

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The fastest runner, given the data from the graph is Joel

To know the runner which has the fastest speed, we shall determine the speed of each runner over a particular time. Details below:

For Robin:

Speed = distance / time

Speed of Robin = 80 / 12

Speed of Robin = 6.67 m/s

For Joel:

Speed = distance / time

Speed of Joel = 100 / 12

Speed of Joel = 8.33 m/s

From the above calculation, we have:

Thus, we can conclude that the fastest runner is Joel

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Missing part:

See attached photo

The name given to it is "terminal velocity".

In reality, it isn't a velocity, and it doesn't happen in free-fall.

Go figure.

The tension in the connecting cord is 4.72 N.

Tension is defined in physics as the pulling force transmitted axially by a string, rope, chain, or similar object, or by each end of a rod, truss member, or similar three-dimensional object; tension can also be defined as the action-reaction pair of forces acting at each end of said elements.

Given that:

Mass of block A (mₐ) = 3.0Kg

Mass of block B (mb) = 4.0 kg

Force (F)=  8.0N

Assume a = acceleration of the blocks.

mₐ(a) +  mb(a) = 8

3a + 4a = 8

7a = 8

a = 8/7

a = 1.142 m/s²

Suppose T to be the tension in the string.

If we take a look at the forces acting on the first block, then:

F - T =  (a)

T = F -  (a)

T = 8- 3(1.142)

T = 8-3.428

T =4.72 N

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1 kilometer

Explanation:

hope it helps

Answer:

275m

Explanation:

hope it helps

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