During an adiabatic compression a volume of an air decrease to 1/4 th its original size calculate its final pressure if its original pressure was 1 atm

The magnitude of this vector:

18.4 mi-28.7 mj is 34.09m

Given:

vector is

18.4 mi-28.7 mj

Magnitude =[tex]\sqrt{18.4^2+28.7^2}=34.09[/tex]

This magnitude of a vector formula summarizes the distinct vector measures along the x-axis, y-axis, and z-axis. It is represented by the symbol |v|. A vector's magnitude is either a positive number or zero, and it can never be negative. Let us finally understand the magnitude of a vector formula by considering a few solved cases.

A vector's magnitude is equal to its length. The magnitude of the vector an is indicated by the symbol a. For further information on vector magnitude, see the introduction to vectors.

This article deduces formulas for the magnitude of vectors in two and three dimensions in terms of their coordinates. The magnitude formula for a two-dimensional vector a=(a1,a2)

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Answer:

34.09178

Explanation:

This is the correct answer for Acellus

The Mesozoic era's Jurassic epoch featured the lowest CO2 concentrations and temperatures, as well as vast tropical forests devoid of flowering trees.

The correct option is B.

Dinosaurs thrived for 180 million years during the Jurassic Period, which was their heyday. Huge herbivorous and carnivorous sauropods like the 35-foot-long Allosaurus and the 87-foot-long Diplodocus evolved. Imagine yourself sprinting as quickly as you can, and that's how big these beasts were.

Some have proposed that the Triassic-Jurassic extinction may have been brought on by an asteroid or comet impact, similar to an extraterrestrial object that is thought to have contributed significantly to the Cretaceous-Paleogene extinction about 66 million years ago as shown by the Chicxulub crater in Mexico.

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Which period of the Mesozoic era had the lowest temperatures and CO2 levels, and had large tropical forests that lacked flowering trees (but later formed extensive coal deposits)?

a. Triassic

b. Jurassic

c. cretaceous

The following statements have italicized word, and has 2 correct  statement and 1 incorrect statement.

a. Taylor's weight is 65 kilograms. : Its correct.

b. I went on a diet and my mass decreased. : Its correct.

c. I went to the Moon and I lost mass, even though I didn't lose any of my matter. : Its incorrect.

The weight is a term shows the mass of the object and the gravity working on it. Example is that a person who feel heavy in earth that same person feel very light on moon cause the gravity will work on that object verry small in comparison to earth.

a. Taylor's weight is 65 kilograms. It is a complete sentence. So its a correct statement.

b. I went on a diet and my mass decreased. : Its correct. Its also a complete sentence. So its a correct statement.

But, c. I went to the Moon and I lost mass, even though I didn't lose any of my matter. This sentence is incorrect because the mass of the person remains same in the moon but the gravity become lesser in the moon so he felt lighter.

So, according to the theory the statement is incorrect.

The correct statement would be:

c. I went to the Moon and I lost weight, even though I didn't lose any of my matter.

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The calculated surface tension is 9.36 × (10^-2) N/m.

A liquid's density is a gauge of how heavy it is relative to the amount being measured. The liquid that weighs heavier is denser if you weigh two liquids with similar volumes or amounts. A substance that is less dense than water will float if it is gently introduced to the water's surface.

H equals ((2 cos)/ g r)

2γ = h ρ g r 2γ = 1,8 (10^-5) (1040) (10)

γ = 9 (1040) (10^-4)

γ = 9.36 × (10^-2) N/m

Because it enables us to predict which compounds will float and which will sink in a liquid, density is a crucial notion. As long as an object's density is lower than the liquid's density, it will often float.

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In the mass spectrum of pentane, the presence of a peak with m/z = 15 is most likely to the detection of a methyl radical cation.

The m/z ratios of the ions contained in a sample displayed against their intensities form a mass spectrum. The height of the peaks in a mass spectrum denotes the relative abundance of the various components in the sample, and each peak in a mass spectrum displays a component of distinct m/z in the sample.

Only when a molecule has been transformed into a gas-phase ion can a mass spectrometer calculate the mass of the molecule. In order to do this, it gives molecules an electrical charge and transforms the flow of electrically charged ions that results into a proportional electrical current that a data system can subsequently read.

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Venus is observed to orbit the sun every 0.62 years so the semi-major axis of venus's orbit is 0.73 au.

Celestial mechanics uses curved trajectory objects to describe orbits, such as a planet's orbit around a star, a natural satellite's orbit around a planet, or an artificial satellite's orbit around a planet, moon, asteroid, or Lagrange point. A circle, a whole circle's revolution, or a range of experiences are all examples of what is meant by an orbit. As an example, consider the earth's orbit around the sun. An illustration of how long an orbit or full circle around takes is the 365 days it takes the earth to travel around the sun. The planets are kept in their orbits by the gravity of the Sun. Since no other force in the Solar System can halt them, they remain in their orbits.

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If John is 20.0 meters away from me and he is running away from me at 5.0 m/s. I sprint at 7.0 m/s to catch up. Then, I will take 10 seconds to reach him.

We know that,

Speed = Distance / Time

Time = Distance / Speed

Given that,

My speed = 7 m/s

John's speed = 5 m/s

Distance I need to cover to catch up John = ( 20 + x ) m

Distance John will cover before I catch up to him = ( x ) m

Since the time taken by both of us to reach that point is same,

( 20 + x ) / 7 = x / 5

100 + 5x = 7x

2x = 100

x = 50 m

Time required = Distance / Speed = 50 / 5        

Time required = 10 seconds  

It will take me 10 seconds to reach John.

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The magnitude of a velocity vector that had x- and y-components of 36 m/s and 48 m/s, respectively is 60 m/s. Thus, the correct option for this question is B.

The term magnitude may be characterized as the distance or quantity. The magnitude can be significantly utilized in order to describe the comparison of speeds. This term can remarkably be used to demonstrate the distance traveled by an object or to illustrate the amount of an object in terms of its magnitude.

The magnitude of the velocity vector may be defined as the total value which is the square root of the value. The magnitude of the vector can be, |a| = √ ( x² + y² ).

Now, substituting the values of x component and y component given, = √ ( 36² + 48² ) = √ ( 1296 + 2304) = √ 3600 = 60 m/s.

Therefore, the magnitude of a velocity vector is found to be 60 m/s. Hence, Option B is the correct answer.

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Approximately About 1 second will take to send a 12-megabyte (mb) file.

It refers to the fastest rate at which data can travel from a wireless client to a wireless router over a wireless link. At the application layer, user actions like file transfers and web content browsing take place. Compared to the rate at the physical layer, the rate at the application layer will be substantially lower.

What Internet Speed Is Best for Using Several Devices? According to the FCC, the best ISPs for households with two or more connected devices and moderate to heavy internet usage should have download speeds of at least 12 megabits per second (Mbps). It is advised to use 25 Mbps while using four or more devices.

Anywhere from 25 to 100 Mbps is considered to be an excellent internet speed.

Up to 2 devices can stream, browse the web, and check email at speeds of 25 Mbps. A few more individuals can stream in HD or even 4K, stream music, play games, surf social media, and work from home at speeds of 50 to 100 Mbps.

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Narrow sense heritability = ratio of additive genetic variance to the total phenotype variance

It is used more in practical because it is easily calculated and gives good estimate of broad sense heritability

heritability is

[tex]h^{2} = }\frac{v_{a} }{v_{p} }[/tex]

[tex]v_{a}[/tex] = variance in genotype

[tex]v_{b}[/tex]= variance in phenotype

Genotype variance : It is one of genetic parameter that determine effectiveness of selection process in plant breeding.

Phenotype variance: It determines whether that trait has the ability to respond to natural or artificial selection.

Heritability estimates range in value from 0 to 1. If H = 0 there is no genetic variation in which all variation in the population comes from differences in the environment experienced by individual.

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The difference between a scalar quantity and a vector quantity can be found below.

A scalar quantity is a quantity that has magnitude but not direction.

On the other hand, a vector quantity is a quantity with both magnitude and direction.

Examples of scalar quantities are;

Examples of vector quantities are;

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The main circuits on the system board that carry data are called the data bus.

What is a data bus?

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Answer:

I = Q / t = N e / t

I = 21,847E18 * 1.60E-19 Coul / 12 sec = 2.18E22 * 1.60E-19 / 12 sec

I = 2.18 * 1.60 * 10^3 / 12 amps = 291 amps

The six blind men and elephant poem illustrates how observation is important to understand the subject and how scientific observations are affected by our own perspectives.

In the story, six blind men from Indostan were made to feel an elephant, but they could only touch one part of it like the tusk or the feet. As a result, each man's perception of what the elephant felt like varied. But since they had all felt the same elephant, all of their opinions were accurate.

In science, observation is vital. Scientists employ observation to gather and record facts, which enables them to create and then test their own hypotheses and ideas, just like in the poem where each individual came to his own conclusions. This is why it is common that different scientists reach different conclusions for the same experiment.

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The Temperature at a process with ΔH and ΔS become spontaneous is 66.6k

Gibbs free energy  - It can be defined as that can be used to calculate the amount of work done performed by a closed system at constant temperature and pressure.

It's symbol is G.

Gibbs free energy equation is given as

ΔGΔH−TΔS

where

ΔG = Gibbs free energy.

ΔH =  Enthalpy change.

T = Temperature in Kelvin.

ΔS = Entropy change.

ΔH= 20kJ = 20000J

ΔS= 300J/K

if ΔG<0, process is spontaneous

if ΔG>0, process is non spontaneous

if ΔG=0, process is in equilibrium

To find the temperature at which the given reaction becomes spontaneous, the minimum T value for which we obtain a negative value of the Gibbs free energy change is

ΔH−TΔS > 0

T > ΔH/ΔS

We have ΔH=20kJ=20000J

ΔS= 300J/K

T > 20000/300

T> 66.6K

The Temperature at a process with ΔH and ΔS become spontaneous is 66.6k

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To complete the sentences, we have

Equilibrium is the phenomenom in which no net force acts on an object.

Static equilibrium is equilibrium is which the body is at rest and has equaland balanced forces acting on it.

Dynamic equilibrium is equilibrium is which the body in motion and has equaland balanced forces acting on it.

So, to complete the sentences, we have

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a. The risk of injury must be predictable.

b. A "breach of duty" is when a professional fails to uphold a level of care.

c. There must be a standard of care in place, and the practitioner must assume responsibility for the patient.

d. There must be a clear link between the treatment received and the harm.

Malpractice, commonly referred to as professional negligence, is defined as "an incident of carelessness or incompetence on the part of a professional" under tort law.

The following professionals might be the target of malpractice claims:

Medical professionals: If a doctor or other healthcare practitioner does not exercise the level of care and competence that a similarly situated professional in the same medical field would deliver under the circumstances, a medical malpractice claim may be made against them.

Lawyers: Failure to provide services with the amount of competence, care, and diligence that a reasonable lawyer would use in the same situation may be grounds for a legal malpractice claim.

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The frequency of light from a laser is 4.878 x10^ 14 s-1 hertz

v= c/ lambda

c= 3.00 x10^8 m/s

nm into meters

615nm (1m/ 1x10^9 nm) = 6.15x 10^-7 m

use frequency formula

v = 3.00 x10^8 m/s // 6.15 x10 ^-7

v = 4.878 x10^ 14 s-1 hertz

The frequency of light from a laser is 4.878 x10^ 14 s-1 hertz

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Following the initial 4.0 seconds of travel, the cart moved 32m.

Physicists use equations of motion to describe how a physical system behaves in terms of how its motion changes over time.

The behavior of a physical system is described by the equations of motion in more detail as a collection of mathematical functions expressed in terms of dynamic variables. These variables typically comprise time and spatial coordinates, but they could also have momentum components. The most flexible option is generalized coordinates, which can be any useful variable that is a component of the physical system. In classical mechanics, the functions are defined in a Euclidean space, while curved spaces are used in relativity instead. The equations are the answers to the differential equations describing the motion of the dynamics of the dynamics of a system are known. The amount of motion changes according to the strength of the force and does so in the direction of the force's applied straight line.

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The Floating weight is affected by the buoyancy force.

As we clearly know that in buoyancy force the weight or any other object will float over the surface of the water and this force is known as buoyancy force. The reason behind the Buoyancy force is that the object seeming lighter in water.

The Buoyancy force can be define as the upward force exerted by the fluid on any weight or any object placed in it. The Buoyancy force is directly proportional to the density of the immersed fluid. The Buoyancy force is also proportional to the volume of the object immersed in the fluid.

So we can conclude that the floating weight is affected by the buoyancy force.

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Answer:

Recessed incandescent luminaires not marked type ic and those marked for installing directly in insulated ceilings must not have insulation over the top of the luminaire.

Explanation:

Depending on how they interact with insulation, lighting fixtures are rated at various levels. Non-IC rated lighting fixtures can accommodate higher wattage bulbs, but they also pose the greatest fire risk when used with the incorrect insulation.

In locations with insulation, light fixtures that are not IC rated may be installed. But there is a condition. The distance between the fixture and any insulation should be 3 inches. But the 3 inch gap in the insulation would negate the goal of insulation by producing a lot of uninsulated space, so this defies logic. Building a box-style cover to cover the fixture on the attic side is one option to fix this. Drywall or foil-faced foam insulation can be used to create this box. After the cover is put in place, insulation can be added for maximum effectiveness.

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Given,

[tex]Ax =26 m/s^{2} \\Ay = 10 m/s^{2}[/tex]

As we know that slope of any line passing from (x,y) point has the slope as  [tex]\frac{y}{x}[/tex]  i.e. Tan [tex]\alpha[/tex]

Vector's Direction can be calculated by [tex]\alpha[/tex] = Tan⁻¹ [tex]\frac{Y}{X}[/tex] ,

where [tex]\alpha[/tex] is the angle with the horizontal X-axis.

therefore,

[tex]\alpha[/tex] = Tan⁻¹ [tex]\frac{10}{26}[/tex]

[tex]\alpha[/tex] = 23.375°

The vector's direction is the angle that the vector makes with the horizontal axis, i.e. with the X-axis. The direction of the vector is given by turning the angle of the vector around its tail to the east counterclockwise.

Therefore, the vector's direction for the given vector is 23.375° from the X-axis i.e. the vector Ax  = 26 m/s2, Ay= 10 m/s2 points towards the North-East direction.

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The kinetic energy of a he2 ion released from rest and accelerated through a potential difference of 2.5 is 4.32J.

In material science, the motor energy of an article is the energy that it has because of its movement. It is characterized as the need might have arisen to speed up a body of a given mass from rest to its expressed speed. Having acquired this energy during its speed increase, the body keeps up with this dynamic energy except if its speed changes. A similar measure of work is finished by the body while decelerating from its ongoing pace to a condition of rest. At the point when work is finished on an item, energy is moved, and the article moves with another steady speed. We call the energy that is moved motor energy, and it relies upon the mass and speed accomplished. Active energy of an item is the proportion of the work an article can do by uprightness of its movement.

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Compared to compound 2, compound 1, the C to O double bond has more single bond characteristics.

When two atoms share two electron pairs to create two covalent connections, they create a double bond; when they share three electron pairs to create three covalent bonds, they create a triple bond.

A double bond, as opposed to a single bond, is a covalent link formed between two atoms that involves four bonding electrons. The majority of double bonds, including those in alkenes, are created when there are two carbon atoms present.

A sigma and a pi bond are always present in a double bond. Carbon dioxide is a common instance of a double-bonded chemical. Double bonds are a structural feature of organic substances like ethene, also known as ethylene, methanoic acid, and acetone.

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The volume of the bin in ft^3 is determined as 53 ft3

Given,

1m = 100cm ⇒ 1cm = [tex]10^{-2}[/tex]

1in = 2.54 cm = 2.54 x [tex]10^{-2}[/tex] m

1ft = 12in = 12 x 2.54 x [tex]10^{-2}[/tex] = 30.48 x [tex]10^{-2}[/tex] m

⇒ 1m = 1/30.48 x [tex]10^{2}[/tex] ft

Volume = 1.5[tex]m^{3}[/tex]

= 1.5 x [tex](1m)^{3}[/tex]

= 1.5 x (1/30.48 x [tex]10^{2}[/tex] ft)^3

= 52.97ft^3

V= 53 ft^3 (nearly)

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Explanation:

hey! what's up dude

the answer of this will be 1. 1 sec

2. 2sec

3. 10 m/s

hope you find help

now the reson for this will be

let's look in 1st part

we will use v=u+at

where v will be zero at highest pont u is 10m/s

we can take g as 10 or 9.8

so

0=10-10t

so it becomes

-10/-10=t

so 1 sec will be the answer

in 2nd part same time will be taken to come back so total time will be 2 sec

3rd part we can use v=u+at

where we have to find v, u=10 g=-10 and t=2 sec

now v=10-20 so v= -10 m/s

since in question it's asking abaout speed and as speed is a scaler quantity so answer will be mode of -10 so it becomes 10m/s

hope it's help you..

Momentum of the elephant is 69.3 kg-m/s

Momentum is a property of a moving body by the virtue of its motion and is a product of mass and velocity.

As per Newton's second law of motion,

momentum= mass x velocity

Mass of the elephant is given as 6300kg

Velocity of elephant is given as 0.11 m/s

Therefore,

momentum = 6300 x 0.11

                      69.3 kg -m /s

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The specific process by which the water leaves the cell is called plasmolysis.

Plasmolysis is the process in which the cell loses the water that is present inside it because the environment of the cells produces pressure to build up inside the cell. If a cell is present in a hypertonic solution means that solvent concentration is lower in the surrounding solution, then water comes out of the cell while on the other hand, if a cell is present in a hypotonic solution in which the solvent concentration is higher in the surrounding solution, then water goes inside of the cell. The movement of liquid inside or outside of the cell occurs due to the semi-permeable membrane of the cell.

So we can conclude that the specific process by which the water leaves the cell is called plasmolysis.

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