Assortative mating changes ______ frequencies but does not change ______ frequencies.

The astronomers have been able to see a 10% of the milky way galaxy's mass

The Milky Way is a large spiral galaxy where the solar system and the Earth are located. It takes its name for the irregular luminous band of stars and gas clouds that stretches across the sky as seen from Earth. According to astronomers, it has a mass of 10¹² solar masses and, by its shape, it is a barred spiral galaxy.

It is a large area of gas, dust and billions of stars and their solar systems all held together by gravity that makes up a universe.

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In order for Hardy-Weinberg equilibrium to exist, a large population size and random mating are necessary.

The Hardy-Weinberg Law asserts that both allele frequencies and genotype frequencies stay constant from generation to generation in a large, random-mating population that is not impacted by the evolutionary processes of mutation, migration, or selection.

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On mars the rock that fall from rest in 6.5 s with an acceleration due to gravity of 3.77 m/s² would far a distance of: 79.64125 m

The free fall formula and the procedure we will use is:

h = (g * t²)/2

Where:

Information of the problem:

Applying final height formula we get:

h = (g * t²)/2

h = (3.77 m/s² * (6.5 s)²)/2

h = (3.77 m/s² * 42.25 s²)/2

h = 159.2525 m/2

h = 79.64125 m

It is when the object or mobile falls from a height (h) with a positive acceleration equal to the gravity, describing a vertical rectilinear travel.

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The density of a fish is controlled by the expansion and contraction of its air sacs while the density of a submarine is controlled by ballast tanks. It was emphasized earlier that buoyant forces does not equal an objects weight but does equal the weight of displaced water.

The three most fundamental characteristics of an object are mass, volume, and density. Volume indicates something's size, mass indicates how heavy it is, and density is calculated as mass divided by volume. Although you deal with mass and volume on a daily basis, the concept of density is less clear-cut and requires careful consideration.

Mass divided by density equals volume; and. Volume times density equals mass. A liquid's density is a gauge of how heavy it is relative to the amount being measured. The liquid that weighs heavier is more dense if you weigh two liquids with similar volumes or amounts.

The relationship between a substance's mass and the amount of space it occupies is known as its density (volume). The density of a substance is determined by the mass, size, and arrangement of its atoms.

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The average rate of disappearance of i - between 1200.0s and 1600.0s

is 2.0 × 10⁻⁵ m/s.

To determine the slope of a graphed function, use the average rate of change formula. Divide the change in y-values by the change in x-values to determine the average rate of change.

The rate of disappearance for reactants is a positive (+) value. Because products are being made rather than disappearing, their rate of disappearance (-) is negative.

The average rate of reaction = Change in concentration

Time rate ( r ) = Δx Δt.

Sign of average rate of reaction: The average rate falls as the rate of reactant concentration increases.

There will be a bad response. The average rate of reaction will be positive as the rate of product concentration rises.

The average rate of disappearance of i - between 1200.0s and 1600.0s

is 2.0 × 10⁻⁵ m/s.

Therefore, the correct answer is option C) 2.0 × 10⁻⁵

The complete question is:

The peroxydisulfate ion (S₂O₈²⁻) reacts with the iodide ion in an aqueous solution via the reaction:

S₂O₈²⁻ (aq) + 3I⁻ → 2SO₄ (aq) + I₃⁻ (aq)

An aqueous solution containing 0.050 M of S₂O₈²⁻ ion and 0.072 M of I⁻ is prepared, and the progress of the reaction is followed by measuring [I⁻]. The data obtained are given in the table below.

Time (s) 0.000 - 400.0 - 800.0 - 1200.0 - 1600.0

[I⁻] (M) 0.072 - 0.057 - 0.046 - 0.037 - 0.029

The average rate of disappearance of I⁻ between 1200.0 s and 1600.0 s is ________ M/s.

A) 1.8 × 10⁻⁵

B) 1.2 × 10⁻⁵

C) 2.0 × 10⁻⁵

D) 5.0 × 10⁴

E) 1.6 × 10⁻⁴

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The acceleration if we double the speed is 27 m/s².

A centripetal acceleration, or acceleration toward the center of the circle, results from moving in a constant circular motion.

a = v²/r is the formula for calculating an object's circular motion acceleration.

Since the radius never changes, let's set it at 5 m. Using a = 3 m/s² and r = 3m to solve for the velocity, we get the following results:

Were, 3 = v²/3

simplifying the equation, we get

⇒ 9 = v²

⇒ 3 = v

When the circular path has a radius of 3 m and an acceleration of

3 m/s², the velocity is 3 m/s.

Now let's triple the velocity: 3 m/s → 9 m/s.

Let's solve for the acceleration using v = 9 m/s and r = 3 m.

a = (9)²/3

⇒ a = 81/3

⇒ a = 27

If you triple your speed, the acceleration is 27 m/s².

This makes sense because an is precisely proportional to v², which means that if your speed is tripled, your acceleration will increase by a factor of 3², or nine times.

a = 3 [tex]*[/tex] 9 = 27 m/s²

As a side note, doubling your speed would improve the acceleration by a factor of 2² - a 4 times increase.

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The vernal equinox during the year 10000 AD will be in the Scorpio constellation

A complete cycle of precession is finished once every 25800 years. Because there are 12 constellations, it takes 2150 years to travel from one to the next. The vernal equinox travels from Aquarius to Sagittarius, Scorpio, Capricorn, Libra, etc.

The year is 2022 AD, and the vernal equinox has just entered the constellation Aquarius. It would have managed to enter the Capricorn constellation in 4172 AD, the Sagittarius constellation in 6322 AD, the Scorpio constellation in 8472 AD, and the Libra constellation in 10622 AD. This means that it remains in the constellation Scorpio in 10000 AD and has yet to enter the constellation Libra.

As a result, the vernal equinox during the year 10000 AD will be in the Scorpio constellation.

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A football is thrown on a long pass. compared to the ball's initial vertical velocity, the vertical component of its velocity at the highest point is less

Velocity is defined as a vector measurement of the rate and the direction of motion, simply, velocity is the speed at which something moves in one direction. The speed of a car traveling north on a major freeway and the speed a rocket launching into the space can both be measured using velocity.

The SI units for the velocity are m/s (meters per second), but velocity may also be expressed in any units of distance per time, and the other units include miles per hour (mph), kilometers per hour (k/h), and kilometers per second (km/s).

At highest point the velocity of football is 0 as it is neither moving up or moving down for a moment so it is less than initial velocity. Magnitude of initial and final velocity is maximum in projectile motion.

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The units N kg-1 and ms^2 are equivalent.

In physics, we often use the idea of dimension to establish the fact that a physical relationship is correct. It could also be used to obtain correct unit of a given physical quantity.

Now we have to obtain the dimensions of N kg-1 from the fact that;

N = Kgms^2 this implies that;

Kgms^2(kg-1) = ms^2

Hence, the units N kg-1 and ms^2 are equivalent.

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Answer:

Explanation:

dimensions of N kg-1 from the fact that;

N = Kgms^2 this implies that;

Kgms^2(kg-1) = ms^2

Hence, the units N kg-1 and ms^2 are equivalent.

Measurement of molecule size using an oil drop experiment

The volume of a tiny oil drop is determined by finding its radius, or r. Now that the oil drop is on the water's surface, it spreads out into an approximately circular region with a height h and radius R. The patch's diameter is determined, and from there, the radius R is calculated.

Up until the oil forms a monolayer, the oil drop expands, pushing the powder aside to form a clean circle. The thickness of the monolayer, which is the height of the oil drop molecule on the water, can be calculated by measuring the area of the monolayer and dividing the volume of the drop by that area.

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Gay Lussac's Law states that when a gas is held at a fixed volume, its pressure is exactly proportional to its Kelvin temperature. The molecules of a gas receive more energy when heated, causing them to move more quickly. This results in increased pressure and more impacts on the container's walls.

Pressure is the term used to describe the physical force exerted on an object. A perpendicular force is applied to the surfaces of the objects per unit area. F/A is the fundamental formula for pressure (Force per unit area)

This is based on the supposition that the force is applied perpendicular to the surface area. The pressure would rise proportionately if you exerted the same amount of force over a larger surface area. 5 Pa would be the force of 5 N applied over the same area of 1 square meter.

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The maximum length of foil will be 6732.84 cm or 67.3284 m

To find the maximum length of the foil, the given datas are:

Width of roll of foil = 304 mm

Height or thickness = 0.019 mm

Density of foil = 2.7 g/cm³

Mass of foil = 1.05 Kg

Density is the substance's  mass per unit volume. It can be also described by measuring how the particles in the substances tightly packed together.

                              d = m/ v

v = length (l) × width (w) × height (h)

First of we will convert the Kg into gram and mm into cm.

For 1 Kg = 1000 g

1.09 × 1000 = 1090 g

For 1 cm = 10 mm

304 / 10 = 30.4 cm

0.019 / 10 =  0.0019 cm

Now we will put the values in formula:

d = m/ l× h× w

l = m / d × h× w

l = 1050 g / 2.7 g/cm³× 30.4 cm × 0.0019 cm

l = 1050 g/ 0.155952 g/cm

l = 6732.84 cm or 67.3284 m

The maximum length of foil will be 6732.84 cm or 67.3284 m

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True the total torque on the loop is the same regardless of what is chosen as the position of the vertical axis of rotation.

The term torque may also refer to the moment, moment of force, rotating force, or turning effect, depending on the topic of study.

In physics and mechanics, torque is the rotational equivalent of a force. It serves as an example of how a force can alter a body’s rotational motion.

Archimedes, who investigated the use of levers, is credited with creating the saying, “Give me a lever and a place to stand, and I shall move the Earth.”

Similar to how a linear force is either a push or a pull, a torque may be thought of as a twisting of an object about a specific axis. The sum of the force times its magnitude is the definition of torque.

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To ensure the uniqueness of values in a nonprimary key column , use the Create Unique Index command to create an index.

The ratio of the speed of light in a vacuum (c) to the speed of light in a medium (c') is known as the index of refraction (n). The propagation vector in the new medium has a different angle with respect to the normal as a result of this difference in speed when light travels from one medium to another at an angle.

The average value of units that are not homogeneous and may therefore be impacted by changes in the mix of items as well as by changes in their prices are measured by a unit value index, which is a "price" index.

Refractive index, commonly known as the index of refraction, is a measurement of how much a light beam bends when it passes through one medium and into another.

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Newton's optics experiment observation and intervention. In order to make his observations, Newton used the theory of light passing through prisms and the rays that were sent by them. It was revealed that light has a variety of properties and features.

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I added an image of the answers/ Hope this helps! good luck on it.

Answer:

Potential

Explanation:

hope this helps

The functions such as non-vertical, continuously differentiable, non-vertical tangent satisfy the conditions.

In mathematics, a differentiable function of one real variable is a function that has a derivative at each point in its domain. In other words, the graph of a differentiable function has a non-vertical tangent line at each interior point in its domain.

A smooth, differentiable function lacks any breaks, angles, or cusps (it is locally well approximated as a linear function at each interior point).

If the derivative f'(x 0) exists, a function f is said to be differentiable at x0 if x0 is an inner point in the domain of the function.

In other words, the point (x0, f(x0)) on the graph of f has a non-vertical tangent line. If f is differentiable at every point along U, then U is said to be differentiable.

If the derivative off is also a continuous function over the domain of the function ff, then f is said to be continuously differentiable.

In general, if f’s initial k derivatives are f prime (x), f prime (x), and lots, f(k)(x), then f is said to be of class Ck. f prime (x), f prime (x), lots, and f (k) prime (x) exist and are continuous across the function’s domain.

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A typical galaxy contains 100 billion stars - its scientific notation is x 10^11 stars.

A world is a gravitationally bound arrangement of stars, heavenly leftovers, interstellar gas, residue, and dim matter. The word is gotten from the Greek galaxias, in a real sense 'smooth', a reference to the Smooth Way world that contains the Planetary group. Cosmic systems, averaging an expected 100 million stars, range in size from diminutive people with under a hundred million stars, to the biggest worlds known supergiant's with one hundred trillion stars, each circling its universe's focal point of mass. Our world, the Smooth Way, is normal: it has many billions of stars, enough gas and residue to make billions additional stars, and somewhere around tenfold the amount of dull matter as every one of the stars and gas set up. Also, it's completely kept intact by gravity. Like more than 66% of the known universes, the Smooth Way has a twisting shape.

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Strictly speaking, more fuel is consumed by your car if the air conditioner, headlights, or even a radio is turned on. this statement is true.

Fuel economy is the opposite of fuel consumption. It is the quantity of fuel used to travel a specific distance. In the United States, it is measured in gallons for every 100 miles, while in Europe and other parts of the world, it is measured in litres for every 100 kilometres.

To determine your car's fuel consumption, divide mileage by fuel consumption. You can see here how many miles per gallon of petrol you travelled. For instance, if you filled up your tank with 12 gallons of gas and drove 335 miles before refuelling, your fuel consumption would be 27.9 mpg (335 miles / 12 gallons = 27.9 mpg).

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A seismograph is a device called that uses special weights and magnetic fields to measure the movement of the ground.

A seismograph is a particular device that records seismic waves caused by an earthquake, explosion, or other earth-shaking events. Seismographs have electromagnetic sensors that convert ground motions into electrical changes that are processed and recorded by the instrument's analog or digital circuits.

The terms "seismograph" and "seismometer" are frequently used interchangeably; however, while both devices can detect and measure seismic waves, only a seismograph can record them. A seismogram is a record produced by a seismograph on a display screen or paper printout.

 Although originally designed to detect natural earthquakes, seismographs have a wide range of applications, including petroleum exploration, research into the Earth's crust and lower layers, and monitoring volcanic activity.

Seismographs are devices that record the movement of the ground during an earthquake. They are installed on the ground as part of a seismographic network all over the world. 

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Answer: applied

Explanation:

The coupling constant between these protons when the spectrum is acquired at 500 MHz is 7Hz.

Coupling Constant:

The coupling constant of a molecule changes when the molecular structure of the component varies. Thus the coupling constant of a particle doesn't depend on the strength of the field and other factors.

Given that,

The coupling constant of bromoethane when the spectrum acquired is

J=7Hz.

The frequency acquired for the coupling constant is f=250MHz

The coupling constant of a molecule is independent of the resolution thus if the resolution of the molecule is either 250 MHz or 500 MHz or any other value the coupling constant remains the same. It only varies when the molecular structure of the element changes.

Therefore,

Thus the coupling constant of Bromoethane at 500 MHz is 7Hz.

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Voltage drop is a better measurement of resistance than testing static resistance because: current flow creates heat which adds to circuit resistance

The current flow or electric current is the measure of the electrons flow around a circuit. It is measured in amperes or "amps". If the current is higher the electrons flow is greater.

The course of a conventional electric current in the external circuit is directed away the positive terminal and toward the negative terminal of the battery

Electricity or electrical energy is the energy that occurs due to the movement of electrons in the materials that are considered conductors.

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Answer:

The stopping distance is 62.5m for a car traveling at vxvxv_x = 25 m/sm/s and the driver applies the brakes and the car decelerates at axaxa_x = -5.0 m/s2m/s2.

Explanation:

Acceleration occurring in the opposite direction of an object’s the motion, is negative or referred to as deceleration. The formula below (stopping distance) solely compares the magnitudes of distance travelled, beginning velocity, and deceleration.

We use the fourth equation of motion, v2 = u2 +2ax. When the car stops, we have v = 0, and so

0 = u2 +2ax.

Solving for x, we have

x =−u2/2a

Given the following information from the question

U= 25 ms-1

-a = 5.0 ms-2

x = -(25)2 / 2* 5

x =625/10

x = 62.5 m

Hence the car travels 62.5m as the brake is applied to come to a halt.

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The correct option is (b) 227 kg.

The 500 lb rock samples the astronauts carried back from the moon weighed 227 kilograms.

The astronaut transported a 550 lb sample.

2.20lbs = 1 kilogram.

1 lbs = 1/2.20

Since, 1 lb = 0.45 kg,

500 lb almost equals 227 kg.

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Disclaimer:

Rugby is known as the football in the United States of America

Soccer is known as football in United Kingdom and rest of the world.

The question is also incomplete as no options have been mentioned

A football field in United States of America is the field of rugby and its measurement in metric system is 91.44 meters in length and 64 meters in width

A soccer field as per the standards set by FIFA is 108 meters in length and 68 meters in width

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Two common stars are observed by an astronomer. It turns out that the first one is twice as hot as the second. This indicates that the first emits around 16 times as much energy as the second.

Astronomers are specialists in the field of astronomy, which is the study of celestial bodies and phenomena. They use various methods to explore and understand space beyond Earth, including using telescopes, satellites, and mathematical models.

They also compile data on different astronomical objects into comprehensive databases that can be used by researchers all over the world. This helps us to better understand our universe and how it works. Additionally, astronomers work towards developing new technologies that will help us probe further into space. As we continue to learn more about our galaxy and its many inhabitants, astronomers have a significant role to play in informing society about these discoveries.

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The dense atmosphere of Venus is light in color, causing most incoming solar radiation to be reflected.

The atmosphere of Venus is composed of carbon dioxide (CO2, 96,5 %) and nitrogen (N2, less than 3,5%) already represent more than 99,9% of the composition. Water Vapor is present in extremely low quantities, making Venus the driest planet of the solar system.

On Venus, only 10% of the incoming solar radiation reaches the surface; most of it is reflected back into space by the planet's dense cloud cover, making Venus appear to shine brightly in the night sky.

Despite the small amount of solar radiation reaching the surface, it is trapped effectively by gases in lower atmosphere, giving rise to the high temperatures.

Scientists think that the Venus was once more like the Earth, but at some point it started heating up uncontrollably.  Any water that may have once existed in oceans on the surface evaporated into atmosphere causing further runaway heating.

It’s like Earth gone wrong with a runaway greenhouse effect that some planetary scientists say should be a warning as to what may become of our home planet if human activities – such as burning fossil fuels and destroying forests, which intensifies natural greenhouse effect – continue.

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