Which of the following atmospheric characterization techniques allow for 2D mapping of an exoplanet's atmospheric temperature and circulation patterns?
Measuring phase curves
Direct imaging
Measuring transits at different wavelengths
Measuring Doppler (velocity) curves

Answer:

Magdeburg hemispheres are two half-spheres of equal size. Placing them together traps air between them. This air is merely trapped, and not compressed, so the pressure inside is the same as the pressure of the atmosphere outside the spheres. The spheres thus pull apart with nearly no resistance.

The Magdeburg hemispheres are a pair of large copper hemispheres, with mating rims. They were used to demonstrate the power of atmospheric pressure. When the rims were sealed with grease and the air was pumped out, the sphere contained a vacuum and could not be pulled apart by teams of horses.

Answer:

Impulse is defined as change in momentum of an object divided by time interval.

at t= 0s

initial velocity = u , initial momentum = mu

at some time t .

final velocity = V, final momentum= mv.

now, change in momentum= ( final - initial) = ( mv-mu)

time interval = (t-0) = t

impulse force = (mv-mu)/ ( t)

Ft = (mv-mu) proved .

this law is known as Newton's second law.

Answer:

8 feet

................

The gravitational potential energy added when the velociraptor and cage is lifted from the ground to a height of 9 m is approximately 15,998.95 joules.

What is Potential Energy?

Potential energy is a form of energy that is stored in an object due to its position or configuration in a system. It is the energy that an object has the potential to possess, or the ability to do work, as a result of its position or state.

The gravitational potential energy (GPE) added when the velociraptor and cage is lifted from the ground to a height of 9 m can be calculated using the formula:

GPE = mgh

Where m is the mass of the velociraptor and cage, g is the acceleration due to gravity (approximately 9.81 m/\(s^{2}\)), and h is the height lifted.

Given that the mass of the velociraptor and cage together is 175 kg, and the height lifted is 9 m, we can substitute these values into the formula:

GPE = mgh

GPE = (175 kg) x (9.81 m/\(s^{2}\)) x (9 m)

GPE = 15,998.95 J (joules)

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This question involves the concepts of Newton's Law of Gravitation and mass.

The force on Procyon A from Procyon B will be "equal" to the force on Procyon B from Procyon A, which has a value of "3.75 x 10²⁶ N".

Applying Newton's Law of Gravitation, we can find the force on Procyon A from Procyon B, which is equal to the force on Procyon B from Procyon A:

\(F=\frac{Gm_1m_2}{r^2}\)

where,

F = force = ?

G = universal gravitational constant = 6.67 x 10⁻¹¹ N.m²/kg²

m₁ = mass of Procyon A = 3 x 10³⁰ kg

m₂ = mass of Procyon B = (2.5)(3 x 10³⁰ kg) = 7.5 x 10³⁰ kg

r = distance between them = 2 x 10¹² m

Therefore,

\(F=\frac{(6.67\ x\ 10^{-11}\ N.m^2/kg^2)(3\ x\ 10^{30}\ kg)(7.5\ x\ 10^{30}\ kg)}{(2\ x\ 10^{12}\ m)^2}\)

F = 3.75 x 10²⁶ N

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If an 8m long string is in its twelfth harmonic, the wavelength of standing waves on the string will be 1.33cm approximately.

The harmonics on the 12th fret are one octave above the open strings, while the harmonics on the 5th fret are two octaves above the open strings.

To arrive at the above answer, we deploy the "harmonic" wavelength principle which states that the "nth" wavelength is equal to the fundamental wavelength divided by n. That is:

λn = λ1/n

Where:

Hence,

λn = (2 x 8)/12

λn = 1.33333333333

λn \(\approx\) 1.33cm.

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Answer:

distance is not a vector. it is scalar

Answer:

English please!!!!!!!!!!!!!!!!!!!!!!!

The magnitude of the electric field along the positive z axis is kqz/√(z^2+a^2)^3/2 , the angular frequency of these oscillations is √(kqq0/ma^3)

1. Given that a uniformly charged ring in the xy plane, centered at the origin.

Radius of the ring(r) = a

positive charge distributed evenly along its circumference = q

k= 1/4piepsion

The electric field can be described as, E = kq/r^2

The force exerted on an electric charge by a charge is F = q0E

Any vector can be projected along the z = A(z)=Acosθ

We know that ∑F =ma

Acceleration along z axis = a =d^2z/dt^2

The equation of motion for a simple harmonic oscillation along z is d^2z/dt^2 = -ω^2z

Here,  ω is the cosine function in a right-angled triangle is cosθ = z/√(z^2+a^2)

dE(z)=dEcosθ we know that E = kq/z^2+a^2

To calculate the magnitude of the electric field caused by complete rings, integrate dE(z)=dEcosθ

E(z) = Ecosθ = kq/(z^2+a^2) x  z/√(z^2+a^2)

E(z) = kqz/(z^2+a^2)^3/2

2. We know that F= q0E = kqq0z/(z^2+a^2)^3/2

Given The ball will oscillate along the z axis between z=d and z=-d in simple harmonic motion. Let z =d

F = kqq0d/(d^2+a^2)^3/2 = kqq0d/a^3

Force at any point along z = - kqq0z/a^3

We know F = ma =  

- kqq0z/a^3 = md^2z/dt^2

d^2z/dt^2= - kqq0z/ma^3

This equation of motion can be compared with the equation of motion for simple harmonic motions to find the angular frequency.

ω =√(kqq0/ma^3)

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Answer:

3.1

Explanation:

use formula f = v/lambda

Answer:

Hi ??? what is your question

A mineral association that should not be found in nature would be a rock that contains both early-forming mafic minerals (such as olivine, pyroxene, and amphibole) and late-forming felsic minerals (such as plagioclase feldspar, quartz, and potassium feldspar) together in the same rock.

Bowen's reaction series is a model that describes how different minerals crystallize from a cooling magma or lava. The minerals that crystallize first, called early forming minerals, are generally rich in iron and magnesium and include olivine, pyroxene, and amphibole. Later-forming minerals, on the other hand, are typically rich in silicon and aluminum and include plagioclase feldspar, quartz, and potassium feldspar.

Crystal settling is the process by which heavier, denser minerals settle to the bottom of a magma chamber due to gravity, while lighter, less dense minerals remain suspended in the magma. This process can occur as the magma cools and solidifies, or as the magma is intruded into existing rock.

Given this information, a mineral association that should not be found in nature would be a rock that contains both early-forming mafic minerals (such as olivine, pyroxene, and amphibole) and late-forming felsic minerals (such as plagioclase feldspar, quartz, and potassium feldspar) together in the same rock. Because these minerals crystallize out at different temperatures and pressures, it is unlikely that they would be found together in the same rock unless there was some form of re-melting or re-crystallization that brought them together.

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We have that the estimated the current density in copper wire at 20 °C is

\(J=38*10^6A/m^2\)

From the question we are told

Generally the equation for the current density  is mathematically given as

current density

\(J=\alpha E\)

Where

\(\alpha=\frac{1}{e}\\\\\\alpha=\frac{1}{2.44*10^{-8}}\\\\\alpha=4.09*10^7\)

Therefore

\(J=4.09*10^7* 0.923\)

\(J=38*10^6A/m^2\)

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Answer:

A. The application of scientific knowledge to make predictions about an object, system, or process

Science want to understand patterns by drawing on scientific knowledge to offer explanations that enable the patterns to be predictable

The phrase which best describes the term scientific model is that it is a simplified representation used to explain or make predictions about something and is denoted as option D.

This is referred to as a representation of ideas and processes which are usually in the form of mathematical expressions and various types of concepts.

A scientific model is done by scientists in other to explain or make predictions about something. This therefore means that it has to be in the best simplified so as to enable other people understand which is therefore the reason why option D was chosen as the correct choice.

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Answer:

sorry but I don't know what exactly I'm supposed to calculate.you never actually stated it

The well that will have most of the water will be well A.

The underground water supply is defined as a type of water that exists underground in saturated zones beneath the land surface.

From the two wells represented in the diagrams above, Well A has water supply from underground which is lacking in well B.

Therefore, well A will have most of the water more than B.

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Answer:

Newton's first law says that if the net force on an object is zero ( Σ F = 0 \Sigma F=0 ΣF=0\Sigma, F, equals, 0), then that object will have zero acceleration. That doesn't necessarily mean the object is at rest, but it means that the velocity is constant.

Explanation:

According to Newton’s first law of motion, a moving object acted on by a net force of zero will continue in motion.

Newton's first law of motion states that an object in state of rest or uniform motion in a straight line will continue in that state unless it is acted upon by an external force.

This first is also known as the law of inertia because it is the reluctance of an object in motion to stop moving or reluctance of an object at rest to start moving which depends on the mass of the object.

Thus, we can conclude that according to Newton’s first law of motion, a moving object acted on by a net force of zero will continue in motion.

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Answer:

a) Option D

b) Option A

Explanation:

a) Option D

Because a massive car will have more inertia which will make the car move faster but a massive car simultaneously will have more friction thereby restricting its movement in the forward direction. Hence, all the three cars will move equal distance.

b) Option A, Car F

Being most massive car, the frictional force required to stop the car will be highest.  

Energy required to heat the gas at constant pressure is greater than the energy needed to heat it at constant volume. The correct statement is option (a).

This is because, during heating, the gas undergoes an increase in temperature and, therefore, an increase in internal energy. The amount of energy required to increase the internal energy of the gas depends on the specific heat of the gas and the change in temperature. At constant pressure, the volume of the gas also changes, requiring additional energy to perform work against the surrounding pressure.

Hence, more energy is required to heat the gas at constant pressure compared to constant volume, where the volume remains the same and no work is done.

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--The complete question is, A gas is heated from temperature T1 to T2 (T2 > T1). In this context, which of the following statements is correct?

Multiple Choice

a. Energy required to heat the gas at constant pressure is greater than the energy needed to heat it at constant volume.

b. Energy required to heat the gas at constant pressure is lower than the energy needed to heat it at constant volume.

c. Energy required to heat the gas at constant pressure is non-zero and the energy required to heat it at constant volume is zero.

d. Energy required to heat the gas at constant pressure is zero and the energy required to heat it at constant volume is non-zero.--

Answer:

Explanation:

The pressure of a liquid is the rate of the force applied by the liquid on a surface per unit area of the surface.

i.e P = \(\frac{F}{A}\)

where P is the pressure, F is the force and A is the area.

The depth of the liquid determines its pressure at a definite lower point. As the pressure of a liquid at the bottom of a its container is greater than the pressure at the top of the liquid.

Thus,

P = σhg

where P is the pressure, σ is the density of the liquid, h is the height and g is the force of gravity.

It is measured in Pascals or N\(m^{-2}\).

The pressure of liquid has a lot of applications, viz: siphon, force pump, lift pump etc.

Answer:

The Sun's gravity pulls on the planets, just as Earth's gravity pulls down anything that is not held up by some other force and keeps you and me on the ground.

Explanation:

Hope that helps

Answer

the medium does not change the speed of the on they should change.

Explanation:

The speed of the waves is constant for a given medium, depending on the physical properties of the medium,

When a wave is strapped on a wall of a medium it does not change the properties of the medium, the wave changes direction, but since the medium does not change the speed of the on they should change.

From the histogram given, there were at approximately 7 downloads between 3pm and 4pm . This can be derived by counting the rows in that time period.

A histogram is a graph that depicts the frequency distribution of a few data points from a single variable.

Histograms frequently divide data into "bins" or "range groups" and count the number of data points that belong to each of those bins.

Histograms are frequently used to depict the key properties of data distribution in a handy format. It is especially beneficial when working with huge data sets (more than 100 observations). It can aid in the detection of uncommon observations (outliers) or gaps in the data.2

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For any human characteristic, both nature (heredity) and nurture (environment) are crucial.

Intellectual capacity, personality, and susceptibility for mental disease are just a few of the behavioural and psychological traits that each person's genes can affect. These traits can affect both parents and children within a family.

Because the main building blocks of personality, such as physicality, intelligence, and temperament are heavily reliant on a person's genetic endowment, heredity of the genetic base is a very essential factor in determining personality. The development of a person's personality is greatly influenced by their environment.

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Answer:

Explanation:

individual and then net

hope that helps I could be wrong about this one though

A psychologist will need to have good linguistic intelligence in other to be successful.

This is referred to as a professional who specializes in the handling of mental health challenges in individuals.

It is best for such professional to have a good linguistic intelligence as the right words being said to the patient will solve the problem thereby bringing in more success.

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Answer:

56.55 m/s

Explanation:

Frequency=1/T

1/6 = 0.1666666

V=(2*pi*1.5)/0.166666