which of the following is not in our solar system

star
black hole
asteroid
comet

Answer : Velocity of the wave, v = 1500 m/s.

Explanation :

It is given that,

Wavelength of a wave,  [tex]\lambda=9\ m[/tex]

Time period of wave, [tex]T=0.006\ s[/tex]

We know that the relation between the velocity, the frequency and the wavelength is given by :

[tex]v=\nu\times \lambda[/tex]

[tex]\because\ \nu=\dfrac{1}{T}[/tex]

[tex]v=\dfrac{\lambda}{T}[/tex]

[tex]v=\dfrac{9\ m}{0.006\ s}[/tex]

[tex]v=1500\ m/s[/tex]

Hence, this is the required solution.

Answer:

The speed of the ball one second later is 19.8 m/s.

Explanation:

Given that,

Initial speed of the ball, u = 10 m/s

Let v is the speed of the ball after one second. The ball will move downward under the action of gravity, a = g

Using the first equation of motion as :

[tex]v=u+at[/tex]

[tex]v=u+gt[/tex]

[tex]v=10+9.8\times 1[/tex]

v = 19.8 m/s

So, the speed of the ball one second later is 19.8 m/s. Hence, this is the required solution.

Answer:

Neutron star

Explanation:

A neutron star is a giant star and a very condense core mainly consists of neutrons. It is one of the last stage of the star.

It is very small radius as compared to the other stars and it forms after the supernova explosion.

Although the mass of neutron star is not much large so that it becomes a black hole in future.

I don't think avoiding would be an effective conflict management strategy, because if it's something serious or even something small you shouldn't really ever avoid anything especially if it's between you and another person because it could damage something between you two for awhile or maybe forever. So no i don't think that is a good why to handle something.

The student's question falls under the category of Physical Science, specifically Physics. Without a specific question, it's hard to provide a precise answer, but the answerer is open to discussing any topic whether it’s forces, light and waves or other. More details are needed to provide accurate assistance.

The subject of your question lies within the field of Physical Science, specifically Physics. Physical Science is a broad field covering numerous aspects of natural science and includes topics like Physics and Chemistry. To answer your question more precisely, it would be helpful to know the exact topic or concept you are trying to understand.

For instance, if you're studying forces, we could discuss concepts like Newton's laws of motion, gravity, friction, etc., or if you're exploring the world of light and waves, we could delve into the behaviour of light, reflection, refraction and the wave-particle theory. The goal is to help you gain a firm understanding of the topic at hand.

Please provide more details so that we can more accurately assist you with your Physics/Physical Science question.

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The question involves forming scientific queries related to photosynthesis and temperature acclimation, topics under the AP Chemistry scope. One could ask how AZ and DIDS impact the efficiency of photosynthesis, and how temperature acclimation affects carbon dioxide absorption and release rates.

The question asks to pose scientific questions regarding path of carbon in photosynthesis using AZ and DIDS - which relates to Chemistry, specifically the understanding of biochemical pathways. Moreover, it also asks to pose scientific questions that could lead to an improved understanding of temperature acclimation mechanisms or improvements in models of atmospheric carbon dioxide concentrations.

In photosynthesis, carbon molecules from carbon dioxide are converted into sugars and this process is temperature dependent. Therefore, understanding both the mechanisms regulating temperature acclimation, as well as the path of carbon in photosynthesis, provides deeper insights into how plants interact with the atmosphere and influence climate change.

For example, a question concerning the path of carbon could be: 'How do AZ and DIDS influence the efficiency of the photosynthetic carbon reduction cycle?'. Concerning temperature acclimation and atmospheric carbon dioxide: 'How does the process of temperature acclimation in plants influence the rate of carbon dioxide absorption and release?'

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This is false because kinetic energy also depends on the mass, and the mass of a train would be different from the mass of a car.

Answer:

d. the electrons in some metals pair up to create a magnetic field.

Explanation:

Magnetism is the property of attraction and repulsion of certain metals and magnets, which have a positive and a negative pole, characterized by “dipole forces”. When magnetism occurs the electrons in some metals come together to create a magnetic field. The Magnetic Field, in turn, is the concentration of magnetism that is created around a magnetic charge in a given space.

It is the electrons of metals that create the magnetic field, just as it is the electric charge and mass that respectively create the electric and gravitational fields.

Answer:

a short half-life and it is taken up by a specific part of the body

Explanation:

Radioisotopes useful for medical diagnostics are those with a short half-life and high uptake in specific body parts, allowing for precise imaging while minimizing radiation exposure to patients.

The characteristics of a radioisotope that make it useful for diagnosing medical problems are that it has a short half-life and is taken up by a specific part of the body. A short half-life ensures that the radioisotope decays quickly, minimizing the patient's exposure to radiation. The uptake by specific body parts allows for targeted imaging, where these radioisotopes can replace a stable element in a compound, now called a radiopharmaceutical, to visualize or diagnose conditions within particular organs or tissues. For example, radioactive iodine is used to monitor thyroid activity, and Technetium-99m, with a half-life of about six hours, is employed for cardiac and other organ imaging due to its ability to be taken up in areas of interest like heart muscle or inflamed regions, thus providing crucial diagnostic information.

Final answer:

The resulting acceleration of the soccer ball after being kicked in opposite directions by two players is 5 m/s^2, calculated using Newton's Second Law of Motion.

Explanation:

When two soccer players kick the same 2-kg ball in opposite directions with different forces, we calculate the resulting acceleration of the soccer ball by applying Newton's Second Law of Motion, which states that the net force acting on an object is equal to the mass of the object multiplied by its acceleration (F = ma).

In this scenario, one player kicks with a force of 15 N while the other kicks with a force of 5 N in the opposite direction. The net force on the ball is the difference between these two forces because they are applied in opposite directions. Therefore, the net force (Fnet) is:

Fnet = 15 N - 5 N = 10 N

To find the acceleration (a), we rearrange Newton's Second Law to solve for 'a':

a = Fnet / m

Substituting the values, we get:

a = 10 N / 2 kg = 5 m/s2

Adoptive optics, in which it’s a lot easier for a computer to constantly monitor and change the shape of multiple thin mirrors than it is to use a telescope with a large thick mirror that has to thermally adjust before being able to focus sharply and even then a large mirror or lens cannot compensate for air turbulence the way telescope with computer controlled adaptive optics can.  

To calculate the force exerted on a crate, divide the work done (40 J) by the distance moved (4 m) to get 10 N.

You have asked how much force is required to push a crate across a floor if it takes about 40 joules (J) to push the crate 4 meters (m). The force can be calculated using the work-energy principle, where the work done on an object is equal to the force applied times the distance over which the force is applied, assuming the force is constant and in the direction of motion. In formula terms, this is expressed as Work (W) = Force (F) × Distance (d).

To find the force, we rearrange the formula for work to solve for F: F = W/d. Substituting the given values, we have F = 40 J/4 m. Therefore, the force exerted on the crate is 10 Newtons (N).

The ultimate source of energy that powers the sun is the Mass energy of hydrogen fusing into helium, there is no other process than the annihilation of mass to give energy that has been advocated by Albert Einstein and it is capable of keeping the sun alive.

Answer:

Explanation:

Final answer:

The stability of the atmosphere is determined using various measurements such as temperature and pressure data, weather station and satellite observations, and analyses of natural records like tree rings and ice cores.

Explanation:

To determine the stability of the atmosphere, scientists and meteorologists use various measurements. These include temperature and pressure gradients, the analysis of weather station data, and satellite observations. For instance, observations from mountain summits can provide vital data above the main body of our atmosphere, while meteorological observations of meteors can offer insights into the height of Earth's atmosphere. Additionally, indicators like the annual rings in trees and ice core analysis can predict long-term atmospheric changes, such as Earth's temperature trends. CO₂ concentrations measured from ice traps and deuterium analysis also reveal historical climate data, informing about past atmospheric stability. Furthermore, the Gravity Recovery and Climate Experiment (GRACE) by NASA enables scientists to measure mass changes in Earth's water resources which is critical for understanding climatic and atmospheric variations.

To find the radius of the cylinder that produces the minimum surface area, combine the volume equations and isolate for the radius. Then, use calculus to find the minimum point for the surface area. Round the resulting value to three decimal places.

The subject of this mathematical problem involves the principles of calculus and geometry. The volume of the entire solid is the sum of the volume of the two hemispheres and the volume of the cylinder. Given that the total volume of the solid is 2 cm³, we know that the volume of the cylinder plus two times the volume of one hemisphere is equal to 2 cm³.

By expressing volume in terms of the radius, we can find that the radius equals the cube root of the volume divided by π (since the volume of a sphere is 4/3πr³ and the volume of a cylinder is πr²h, while considering the height of the cylinder equal to the diameter of the hemisphere). The surface area of the solid is the sum of the surface area of the two hemispheres and the surface area of the cylinder without tops (since those are covered by the hemispheres). To minimize the surface area, we need to use calculus, specifically the principles of differentiation and setting the derivative equal to zero to find a minimum. Once calculated, you can round the radius to three decimal places.

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Solar time and sidereal time are two different ways to understand time. Solar time is based on the position of the Sun in the sky and changes throughout the day, while sidereal time is based on the rotation of the Earth relative to the stars and remains constant. Examples of solar time include a sundial, while examples of sidereal time include a telescope tracking the motion of a star.

There are two different ways to understand time: solar time and sidereal time. Solar time is based on the position of the Sun in the sky and is used to determine the time of day. Sidereal time is based on the rotation of the Earth relative to the stars and is used to track the Earth's motion through space. An example of solar time is the time displayed on a sundial, which changes as the Sun moves across the sky. An example of sidereal time is the time displayed on a telescope tracking the motion of a star, which remains constant as the Earth rotates.

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Answer: carbon dioxide

Explanation:

Basically, a sun-sized star will spend most of its lifetime as main sequence star

Notably, a main sequence star is fairly average in size, and tends to spend close to 10 billion years at this stage, where its main function is continuously fusing hydrogen to helium which generates light and heat on earth, which are essential for every human and all other living organisms.

At this stage, a sun-sized star maintains a steady nuclear reaction, and the amount of time it spends is determined by its mass.

All stars have starting phase, including the Sun, and their existence commences when a dense region of clouds or cold gas and dust called nebulae begins to shrink and warm up. Notably, these clouds are relatively large in size, and stars like the sun are enormous balls of plasma that unavoidably fill every space around with heat and light.

Just like humans, stars also live, and like humans, not forever. Although, a typical star could live up to several billions years are specified on the first paragraph. A star starts as a gas cloud and ends a star remnant. The life cycle of a star is in seven (7) phases. These phases are listed below:

LEARN MORE:

KEYWORDS:

Final answer:

In a multipolar neuron, electrical signals are carried from the dendrites to the cell body, then actively propagated along the axon to the axon terminals, and ultimately communicated to other cells.

Explanation:

In a typical multipolar neuron, the direction an electrical signal is carried starts at the multipolar neuron's dendrites, which receive incoming signals. These signals then travel passively to the cell body, where they reach the axon hillock. The axon hillock plays a crucial role in integrating signals from multiple synapses, and once the signals are adequately integrated, they are actively propagated along the axon. This axon leads to specialized endings known as axon terminals, which interface with other neurons, muscles, or glands to communicate the signals further.

Multipolar neurons, characterized by a single axon and multiple dendrites, are abundant in the central nervous system, including the brain and spinal cord. They are responsible for relaying sensory and motor information throughout the brain, causing reactions such as muscle contractions. An example of a multipolar neuron is the Purkinje cell located in the cerebellum, noted for its elaborate branching dendrites.

Kepler's third law states that a planet's mass does not affect its orbit around the sun.

The mass of a planet does not affect its orbit around the sun. Kepler's third law, also known as the Law of Harmonies, states that the square of a planet's orbital period is directly proportional to the cube of the semi-major axis of its orbit. In other words, the planet's mass does not play a role in determining the shape or size of its orbit.According to Kepler's Third Law, the square of a planet's orbital period (P) is proportional to the cube of the semi-major axis (a) of its elliptical orbit.

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While Kepler's third law doesn't specifically consider a planet's mass, when viewed in relation to Newton's laws of gravity, it becomes evident that a planet's mass does affect its orbit around the sun. However, the planet's distance from the sun—or the semimajor axis of its orbit—is directly proportional to the square of the orbital period.

According to Kepler's third law, the square of a planet's orbital period is directly proportional to the cube of the semimajor axis of its orbit. This suggests that the planet's orbital characteristics are determined largely by its distance from the sun, as represented by the semimajor axis of its orbit.

However, when Kepler's laws are interpreted in the context of Newton's gravitational law, the mass of the planet becomes evident as a significant factor, particularly for the third law. Kepler's third law adjusted to consider mass is a³ = (M₁ + M₂) × P², where M₁ and M₂ represent the two objects' mass (the planet and the Sun, in this case).

So, the planet's mass does influence its orbit, predominantly in terms of how the planet and sun's combined mass affects the orbital period and axis, but it's the distance from the sun (or semimajor axis) that is most directly proportional to the square of the orbital period.

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If a 10 N net force is applied to an object, which then accelerates at 4 m/s², then the mass of the object would be 2.5 kilograms .

Newton's Second Law states that The resultant force acting on an object is proportional to the rate of change of momentum. The mathematical expression for Newton's second law is as follows ,

F =  mass × acceleration

As given in the problem if a 10 n net force is applied to an object, which then accelerates at 4 m/s² .

10 = m × 4

m = 10 / 4

m = 2.5 kilograms

Thus, if a 10 N net force is applied to an object, which then accelerates at 4 m/s², then the mass of the object would be 2.5 kilograms .

To learn more about Newton's second law here , refer to the link ;

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