At a particular speed, a jumbo jet can travel its own length in 20 seconds. At this same speed, the jumbo jet taxied completely past a 710-foot-long hangar in 70 seconds, as shown. What is the length of the jumbo jet in feet

Answer:

The acceleration of an object can be calculated using Newton's second law of motion, which states that the force acting on an object is equal to the mass of the object multiplied by its acceleration. The equation is:

F = ma

where F is the force, m is the mass, and a is the acceleration.

So, if we know the mass of the object (m = 56 kg) and the force acting on it (F = 800 N), we can calculate the acceleration (a) by dividing the force by the mass:

a = F / m

a = 800 N / 56 kg

a = 14.28 m/s^2

So the acceleration is 14.28 m/s^2

A) A parcel of air will rise if it has a lower density than the surrounding air.  is the relative order of air in the atmosphere.

In the atmosphere, air moves from high pressure to low pressure areas. When a parcel of air is heated, it expands and becomes less dense than the surrounding air. As a result, the parcel of air rises because it is less dense than the surrounding air, which creates a lower pressure area.

This process is known as convection and is responsible for many weather phenomena such as thunderstorms and cloud formation. In contrast, if a parcel of air cools and becomes more dense, it sinks because it creates a higher pressure area than the surrounding air.

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Answer:

translational energy

Explanation:

because is diatomic

The total distance that the truck travels is 11.7 km

Part (a)

The algebraic sum of the various distances results in the total distance covered by the trucks.

DT = d1 + d2 + d3

So, total distance that the truck travels = 1.4 + 7.7 + 2.6 = 11.7 km

Part (b) Question is missing :

(b) What are the magnitude (in km) and direction of the truck's displacement? (Enter a number.)

magnitude   #?   km

direction? east, west or neither.

The quickest route taken by the object to get from one spot to another is called displacement.

As the truck travels in three directions, from east to west to east, it begins out from the east. Think of the east as being good and the west as being negative. As a result, the displacement can be calculated as shown below.

D =d1 - d2 + d3 = 1.4 - 7.7 + 2.6 = 1.4 - 5.1 = -3.7 km

Here, the negative sign shows that the truck has displaced in the west direction.

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L=rp Angular Momentum the linear momentum p. Moment of momentum is another name for angular momentum.

List the object's mass and speed in step one. Convert any values into SI units in step two (kg, m, s). Step 3: To calculate an object's momentum, multiply the object's mass and velocity.

Momentum can go wrong. As a vector quantity with both magnitude and direction, momentum has both. The sign, positive or negative, in physics serves as a cue as to the direction. Positive amounts normally signify a forward or upward motion, whereas negative quantities typically indicate a backward or downward motion.

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What is momentum?

By calculating carbon emissions reduction and sustainability index improvement, the Accenture MyNav Green Cloud Advisor incorporates sustainability when moving client data centers to the cloud.

The availability of computer system resources without the user having to manage them directly is referred to as cloud computing. The network of remote servers located on the internet in this instance aids in the management and storage of the data.

Mynav Green Cloud Advisor is essential since it aids businesses in creating cloud solutions that may be utilized to lower carbon emissions.

As cloud solutions are essential to businesses, Accenture MyNav Green Cloud Advisor integrates sustainability.

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Answer:

But the safest way to loosen a tight cap may be to run hot water on it so that it expands slightly.

Explanation:

A 1.5 x 103 kg car's momentum is equal to 4.5 x 104 kg m/s east if it moves at a speed of 30 m/s for 60 seconds while traveling straight east.

Momentum is a property of an object or system that describes its tendency to move or stay in motion. It is equal to the product of the mass of the object and its velocity. Momentum is conserved, meaning that the total momentum of an isolated system remains constant, regardless of any changes or interactions within the system. Momentum is an important concept in classical mechanics, and is directly related to forces, energy, and angular momentum. Momentum is an essential factor for describing the behavior of objects in motion.

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The properties of waves are: wavelength, time period.

Sound wave is considered a mechanical wave because it requires medium to travel.

A mechanical wave is one whose energy cannot be transmitted via a vacuum. To transfer their energy from one place to another, mechanical waves need a medium.

A mechanical wave is something like a sound wave. A vacuum can not be traversed by sound waves.

Units of time and space can be used to measure the fundamental characteristics of waves. The length between wave crests, or wavelength (L), and the time it takes a wave to pass a fixed point, or period (T), are two characteristics that can be measured directly.

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(a) The charge carrier density doubles,(b) The current density doubles, (c) The electron drift velocity doubles, (d) The average time interval between collision halved.

I = nq[tex]v_{d}[/tex]A

where n is the charge/volume

I is the current.

q is the charge per carrier

[tex]v_{d}[/tex] is the drift velocity of the charge carriers

A is the cross-sectional area of current flow

Here,

a) The charge carrier density (n) doubles if I doubles.

b) The charge carrier density (J = I/A is the current density).  If I doubles, J doubles.

c)  The electron drift velocity ([tex]v_{d}[/tex]) doubles if I doubles.

d)  The average time interval between collisions depends inversely on [tex]v_{d}[/tex].  If I doubles, [tex]v_{d}[/tex] doubles, so the average time between collisions is halved.

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Sound is important because it engages audiences: it helps deliver information, it increases the production value, it evokes emotional responses.

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The diagram for the standing wave after the tension is quadrupled while the frequency is held constant has been attached and explained below.

We already know that the frequency of a standing wave is given by,

= f = nv/2l

and

= v = [tex]\sqrt{\frac{T}{m} }[/tex]

In the given problem, the frequency of the wave after the tension is quadrupled will be -

= f2 = 2v/2l

= f2 = v/l

= f2 = 1/l  [tex]\sqrt{\frac{T}{m} }[/tex]

Now, since we have quadrupled the tension, we have -

= f = 1/l  [tex]\sqrt{\frac{4T}{m} }[/tex]

= f = 2(f2)

So, now we know that the final frequency will be of this form(the image has been attached here) and it would look like this if the tension is quadrupled while the frequency is held constant.

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The correct option is B, The electron's speed at f is equal to its speed at i.

Electrons are subatomic particles that are found in atoms. They are the negatively charged particles that orbit the nucleus of the atom, and they have an extremely small mass. Electrons travel at different speeds depending on their energy level. At their lowest energy level, electrons move at an extremely slow speed, about one thousandth of the speed of light. As the electrons gain energy, their speed increases.

In a vacuum, when electrons have the highest energy level, they can travel at a speed of nearly the speed of light, which is around 186,000 miles per second. In a vacuum, the electrons would have the same speed regardless of their mass. Electrons also move slower inside a material, such as a metal, due to the presence of other atoms. Electrons in metals usually move at a speed of about 1/10th the speed of light. This slower speed is due to the electrons having to pass through energy barriers created by the other atoms in the metal. In general, electrons are very fast particles that can travel at speeds up to nearly the speed of light.

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Interstitial lung disease is low lung compliance as a result, last of electrical lung tissue destruction.

Interstitial lung disorders brought on by breathing in particles like silicon and asbestos (asbestosis) can cause low lung compliance (silicosis).

Lungs and the pleural cavity have the capacity to expand and contract in response to variations in pressure. Lung compliance, which is a key determinant of lung health and function, is defined as the volume change per unit of pressure change across the lung. Lung compliance varies between inhalation and expiration because measurements of lung volumes vary between the two at the same pressure. Depending on whether only volume and pressure are measured (static) or whether their variations over time are also recorded, lung compliance can be classified as either static or dynamic.

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The graph that best illustrates how the intensity of sound varies as a detector is moved further and further from a stationary source projecting sound in all directions would be an inverse square law graph. This graph would show that the intensity of sound decreases as the distance from the source increases. The intensity of sound is inversely proportional to the square of the distance from the source.

This means that if the distance from the source is doubled, the intensity of sound is decreased by a factor of four. This relationship is commonly observed in physics and engineering and is known as the inverse square law of sound propagation. This law states that the intensity of sound decreases as the distance from the source increases in a manner that is inversely proportional to the square of the distance.

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And I can carry my nickels far more easily than you can your bucket of pen-nies. I would prefer to keep every pen-ny. A 40 inch circle would contain about 2507 pen-nies. About 493 nickels would be in a 20 inch circle.

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According to the given statement 67.7%  is the efficiency of the engine.

A comparison of the energy output and input in a particular system is called efficiency in physics (and frequently in chemistry). Its definition is the proportion of output energy to input energy, which is provided by the equation: To describe energy in the form of heat or power, this equation is frequently utilized.

n = 1 - (QC/QH)

n = efficiency

QC = Cold Reservoir = 220 K

QH = Hot Reservoir = 680 K

n = 1 - (220 ÷ 680)(÷10)

n = 1 - (22 - 68) (2)

n = 1 - (11 ÷ 34 )

n = (34 - 11) ÷ 34

n = 23 ÷ 34

n = 0.676 * 100

n = 67.6

Therefore, 67.6% is the efficiency of the engine.

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The solutions are: The movement is 5 mm per year. The plate is 5,000 meters to the east. The Amur and Eurasian plates would collide, creating an ocean floor.

The rate of motion is in mm per year so you need to convert the distance it has moved to millimeters.

1 meter = 1,000 meters

125,000 will therefore be:

= 125,000 * 1,000

= 125,000,000 millimetersRate of motion = 125,000,000 / 25,000,000 years

= 5 mm/year

The plate is moving east and in 1 million years it would be:

= 1,000,000 * 5 mm/year

= 5,000,000 mm

n meters this is:

= 5,000,000 / 1,000

5,000 meters east

ecause the Amur and the Eurasian plates are moving apart, the ocean would have to fill up the space left which would lead to the development of a new oceanfloor.

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Answer: 5 mm/year, 5000 meters east, new ocean floor

Explanation:

The force that was applied to the lever to raise the load of 220 Newtons   toa distance of 4 m is 100 N.

The correct option is C.

A lever gives you the ability to move an object with a certain advantage, allowing you to do so with either less effort or more speed or displacement.

The use of forces and the exploitation of the torques they produce is how levers function. By changing the balance, we can carry large objects with little effort.

The law of the lever is given below as follows:

Fa / Fb = b / a

where;

The effort applied, Fa, is calculated below:

Fb = 220 N

a = 10 m

b = 2 m

Fa = Fb * b / a

Fa = 220 * 2 / 10

Fa = 44 N

Work done = Force * distance

distance = 4 m

400 J = Force * 4

Force = 400 / 4

Force = 100 N

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The required temperature of the system which has a certain entropy change and receives heat energy is 273.36 °C.

Given that,

The change in entropy of the system = 675 J/K

Heat energy = 243 J

Temperature of the system = ?

The temperature of the system is calculated below.

ΔS = ΔH/T

where,

ΔH is the heat energy

ΔS is the change in entropy of the system

T = ΔH/ΔS = 243/675 = 0.36 K

By converting temperature in kelvin to temperature in degrees centigrade, we get,

T = 273 + 0.36 = 273.36 °C

Thus, temperature of the system which has a certain entropy change and receives heat energy is 273.36 °C.

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The method used when an entire mole is removed for examination under a microscope is called an excisional biopsy.

This method involves the surgical removal of the entire mole and some surrounding skin which is then examined under a microscope to check for any abnormal cells or signs of cancer. This method is typically used when a mole is suspected to be malignant or when it cannot be clearly diagnosed as benign through other methods such as a shave or punch biopsy.

The key benefit is that, as opposed to an incisional biopsy, when a bit of the tissue is taken to provide a diagnosis but it will likely still need to be treated later, the aberrant tissue may be identified, diagnosed, and removed in one operation.

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The time it takes for the ball to reach its maximum height is 745 milliseconds.

What is time?

Time is defined as a scalar quantity that describes the progression of events in the universe. It is often considered to be the fourth dimension of spacetime, along with the three dimensions of space. Time is closely related to the concepts of causality, or the relationship between cause and effect, and is considered to be a fundamental aspect of the physical universe.

To find the time it takes for the ball to reach its maximum height, we need to use the equation:

1/2 * a * t^2 + v * t + d = 0

where a is the acceleration due to gravity (-9.8 m/s^2), t is the time, v is the initial velocity (2.13 m/s), and d is the initial displacement (0 m, since the ball is thrown upward from the ground).

We know that the ball is thrown upward and reaches its maximum height, so it is subject to a constant acceleration due to gravity in the downward direction. Therefore, the acceleration is -9.8 m/s^2.

The time to reach the maximum height can be found by solving the above equation for t.

t = sqrt(-2*d/(a+v))

t = sqrt(-2*0/(-9.8+2.13))

t = sqrt(2*2.13/(9.8-2.13))

t = sqrt(4.26/7.67)

t = sqrt(0.555)

t = 0.745s

To get the time in milliseconds:

t = 0.745s * 1000ms/s = 745 ms

Therefore, the time it takes for the ball to reach its maximum height is 745 milliseconds.

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Answer:

25 m/s

Explanation:

v^2-u^2=2as

a= (v^2-u^2)

The sound level of rusting leaves is 20db.

Rustle is a quiet, muted cracking sound made when dry paper or leaves are moved. The movement of weak objects, like the leaves, produces a gentle sound. Ruffle would be the appropriate response because "leaves" is the noun in the sentence.

Over time, so many people have been mesmerized by the sounds of wind in the trees and the rustling of leaves, that they came up with the term "psithurism" to describe them. Psithurism has a silent first "p," like many other words that start with "ps," and is pronounced sith-err-iz-um.

We sometimes refer to a wind that is howling when it is strong and noisy: The trees shook as the wind howled.

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Torque is defined as the cross product of the force and the distance from the center to the point of application (force = r * F * sin) (theta)

Keep in mind that at 90 degrees, the torque is at its highest level. Finding the lever arm and multiplying it by the applied force is a useful method for calculating the amount of torque. The distance that separates the force's line of action from its rotational axis is known as the lever arm.

Perpendicular describes two straight lines that meet at a 90-degree angle. When it comes to geometric proofs and examining various vertices and angles, perpendicular lines can be used in a variety of ways. They are helpful for making sure things are straight and aligned properly when painting or building.

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The tension in the string can be found by using the equation for centripetal force. which is equal to 150.

This equation states that the centripetal force (Fc) is equal to the mass of the object (m) multiplied by the square of the velocity (v) and divided by the radius (r). Therefore,

Fc = m x v²/r.

In this case, the centripetal force is equal to the tension in the string, so the tension in the string (T) can be found by rearranging the centripetal force equation to

T = m x v²/r.

Substituting in the given values for mass (m) and radius (r) gives

T = 0.304 kg x (2.83 m/s)²/0.44 m

T= 150N

Therefore the tension of the string is 150N

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Work is accomplished by stretching or compressing a spring. Elastic potential energy is stored in the spring. It is recommended to expand the spring up to 12.8 cm.

Elastic potential energy is stored in the spring as a result of the work required to stretch or compress it. A spring's elastic potential energy is equal to one-half the sum of its spring constant times its deformation squared.

We'll talk about elastic potential energy as the second type of potential energy. The energy that is trapped in elastic materials as a result of their stretching or compression is known as elastic potential energy.

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It would take 5 pounds of force, that is equal force, to stop the ball from rolling because the same amount of force must be used to stop the object.

According to Newton's third law of motion, every action which is occurring in nature has an equal as well as an opposite reaction. For instance, if a particular object A happens to exert a force on another object B, then  object B will also be exerting an equal as well as an opposite force on  object A.

If a particular ball is rolling with 5 pounds of force then the same amount of reaction will be required to bring it to rest. That is, equal force of 5 pounds will be required to stop the ball.

Hence, option D is the correct option.

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Answer: yes

Explanation:

not to sure

The amplitude of the pulse is 3 m, the equation of the pulse as a function of position and time is y(x) = 6/{(x - 3t)² + 2} m and the pulse is 15 m centred at time t = 5. 00s.

y(x) = 6/(x² + 2)

v = 3 m/s

The amplitude(A) of the pulse:

When x= 0, Then y = A

Put x= 0  

y(x) = 6/(x² + 2)

y(0) = 6/(0² + 2)

y = A = 3 m

Distance travel in time t  

x = vt

x = 3 t

y(x) = 6/{(x - 3t)² + 2}

The distance covered by the pulse in the time 5 s

D = v t

D = 3 x 5  

D = 15 m

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