As a train accelerates away from a station, it reaches a speed of 4.8 m/s in 5.2 s. If the train's acceleration remains constant, what is its speed after an additional 7.0

The balloon's helium has a mass of 2.52 KG.

The quantity of things—which could include humans, animals, plants, or objects—in a given space is referred to as density. To determine density, divide the number of objects by the area's measurement. The number of people in a country divided by its area in square kilometers or miles is known as its population density.

The term "density" refers to the ratio between the volume (the amount of space taken up by an object or substance) and the amount of matter contained therein (its mass). The amount of mass per unit of volume is another method to define density.

The more about density visit:-

https://brainly.com/question/29775886

#SPJ1

Answer:

P V = N R T      is the universal gas equation

If only pressure and volume are considered (the other factors are constant)

P1 V1 = P2 V2

So P2 = (V1 / V2) * P1

This is also known as Boyle's Law:

P V = constant

The velocity of an object can change even if the speed of the object remains constant.

Initial velocity (u) squared plus two times the acceleration (a) times the displacement equals final velocity (v) squared (s). Final velocity (v) is equal to the square root of initial velocity (u) squared plus two times the acceleration (a) times displacement when v is the variable being solved for (s).

In physics, an object's initial position is its starting point for motion, and its final position is where it comes to rest.

To know more about velocity visit:-

brainly.com/question/18084516

#SPJ1

Answer:

Speed is the measure of how fast something moves

Explanation:

The correct option is C ; Water vapor , Water vapour is water that is gaseous rather than liquid. It can be generated by either evaporation or sublimation.

Water vapour, unlike clouds, fog, or mist, which are just suspended particles of liquid water in the air, cannot be seen since it is in gaseous form.

Water vapor has the same chemical formula as regular water - H2O - but the water molecules in vapor interact with each other less and are not as organized as they are in water and ice. Pressure, temperature, and relative humidity all influence whether water is liquid or gas.

Learn more about to Water vapor

https://brainly.com/question/14529481

#SPJ4

Answer:

a = v2/r, for an object moving with a constant speed, v, around a circle of radius, r. We will also verify that the direction of the acceleration vector is toward the center of the circle.

substitute your numbers into the formula

5.0 = v2/45.0

then cross multiply to get your final answer

The distance that is covered by the sound is  1.66 * 10^2 m.

We know that sound is a mechanical wave. The implication of this is that sound woulod need to have a medium through which the sound can be able to travel. The speed of sound in the various media through which the sound travels is not the same.

We know that the speed of sound in air is 331 m/s and we have to use this in our calculations.

Distance = speed * time

Distance =  331 m/s * 0.5 s

= 1.66 * 10^2 m

Learn more about speed of sound:https://brainly.com/question/15381147

#SPJ1

It is true that on looking vertically down into the water the black line appears to be closer that it really is.

A material's refractive index, which is quantified, indicates how much a light path is bent or refracted when it penetrates that material.

The critical angle for total internal reflection and the amount of light that is reflected when it reaches the contact are both determined by the index of refraction.

Due to the refraction of light rays as they pass through water and into the air, an item seen in the water typically appears to be deeper than it actually is.

Since the angle subtended by the object is greater, it "appears" larger because the light's refraction away from the normal changes the angle at which the light appears at the eye.

Thus, the given scenario is true.

For more details regarding refractive index, visit:

https://brainly.com/question/23750645

#SPJ1

The causes diffusion in cells are,  temperature, area of interaction, the size of the concentration gradient.

1) Temperature, The rate of diffusion increases as temperature rises.

2) Area of Interaction: The rate of diffusion increases as the surface area of interacting molecules increases.

3) The Size of the Concentration Gradient: The rate of diffusion is higher the greater the concentration gradient between the regions.

Higher the rate of diffusion, the more concentration between the locations. The movement is forced because of the increased pressure that the higher concentration creates. The movement of molecules from a location of higher concentration to a region of lower concentration can be used to define diffusion. The continuous motion (or kinetic energy) of atoms in matter is the primary cause of diffusion.

To know more about diffusion

https://brainly.com/question/28851242

#SPJ4

Answer:

R*F

Explanation:

Answer:

359cm

Explanation:

The change in length of the cord due to a stretching force of 0.5N is given by Hooke's law:

ΔL = k * ΔF

Where ΔL is the change in length, k is the spring constant and ΔF is the change in force.

Since the spring constant for the cord is 3N/cm, the change in length due to a stretching force of 0.5N is:

ΔL = (3N/cm) * (0.5N) = 1.5 cm

Since the cord is already 350cm long, the total length of the cord when the stretching force is 0.5N is 350cm + 1.5cm = 351.5cm.

To find the length of the cord when the stretching force is 2.5N, we can use the same formula:

ΔL = (3N/cm) * (2.5N) = 7.5 cm

The total length of the cord when the stretching force is 2.5N is therefore 351.5cm + 7.5cm = 359cm.

When an item is projected vertically upward, its velocity is assumed to be zero at its highest point, yet it still experiences acceleration from the gravity of 9.8 m/s^2.

This means that anything that is drawn toward the center of the earth has a 9.8-meter acceleration per second as it "falls" to the earth. As a result, each second that such a body is dragged towards the earth, its velocity (the speed with direction) increases by around 9.8 meters per second.

The velocity is constant in uniform motion. In terms of time, neither its magnitude nor its direction change.

Distance is the length of any path connecting any two places. When measured along the shortest path between any two points, displacement is the direct distance between them. The direction is ignored when calculating distance. The direction is accounted for in the displacement calculation.

To know more about displacement visit:

https://brainly.com/question/321442

#SPJ1

Amplification is the term used to describe how far the particles are pushed from their initial position.

How closely molecules are packed together is determined by density. Because air is a gas, its molecules may either pack closely or spread widely. Higher up, less air is pressing down from above, and gravity is less away from the center of the Earth.

Longitudinal waves are what makeup sound. Compressions and rarefactions are also present in longitudinal waves when they pass through any given material. When particles travel in close proximity to one another, compression occurs, generating areas of intense pressure.

To know more about Amplifications visit:

brainly.com/question/16133707

#SPJ4

It is untrue to say that a nucleus's mass is always smaller than the total mass of its nucleons.

The nucleons near the edge of their masses give binding energy to maintain the nucleons inside the nucleus.

The protons and neutrons move in closer together to a distance of 10–14 m during the creation of a nucleus. The mass of the nucleons is sacrificed in order to spend the energy needed for the task.

To know more about the nucleus visit :

brainly.com/question/9662870

#SPJ4

Deoxyribonucleic acid is a polymer composed of two polynucleotide chains that coil around each other to form a double helix.

A nonsense mutation occurs in the DNA when a sequence changes itself and gives rise to a stop codon rather than a codon specifying an amino acid. The presence of the new stop codon results in the production of a shortened protein that is non-functional.

A nonsense mutation is also known as base substitution which results in a stop codon in such a position from where there was not one before, which causes the premature termination of protein synthesis and, more than likely, a complete loss of function in the finished protein.

So we can conclude that a nonsense mutation always causes a loss of amino acids.

Learn more about DNA here: https://brainly.com/question/16099437

#SPJ1

The above prompt is related to Interplanetary Science or Astronomy.

1) The diagram that best represents the appearance of the Moon at position P 'When viewed from the Earth is Option A.

2) The factor that most likely caused the difference in the apparent size of the Moon in photographs A and B is: "The distance from the Earth to the Moon changed." (Option D).

The study of planets and other objects in our solar system is known as interplanetary science. Telescopes, satellites, and other technologies are used by scientists to understand more about these objects and how they developed and evolved through time.

It also entails researching the possibility of life on other planets and moons, as well as learning about the solar system's past and future.

Learn more about Interplanetary Science:
https://brainly.com/question/858650
#SPJ1

By using the formulae, λ = h/mv, The De Broglie wavelength of the muon is calculated to be 4.13 × 10^10 m, as according to the given data in the question.

The shortest measured time is 100 attoseconds. A quadrillionth of a minute is a femtosecond. One quadrillionth of a minute is a picosecond. One quadrillionth of a second is a nanosecond.

Particles are smaller than just a nanometer. Depending on the element, an atom is between 0.1 and 0.3 nm in size. Atoms on the a surface in a SEM image.

To know more about Particles visit:

brainly.com/question/1685421

#SPJ4

The continuous acceleration needed to raise a car's speed from 23 mph to 53 mph in four seconds is

The direction of a body or object's movement is defined by its velocity. In its basic form, speed is a scalar quantity. In essence, velocity is a vector quantity. It is the speed at which distance changes. It is the displacement change rate. Acceleration is the rate at which speed and direction of velocity vary over time. A point or object going straight ahead is accelerated when it accelerates or decelerates.

starting speed is 23 m/h, or 0.0063 m/s.

ultimate speed is 53 m/h, or 0.0147 m/s.

(Final velocity - Initial velocity) / Time = acceleration

= (0.0147 - 0.0063) / 4

= 0.0021m/[tex]s^{2}[/tex]

The acceleration required to increase the speed of a car is 0.0021m/[tex]s^{2}[/tex]

To know more about acceleration on

https://brainly.com/question/28175950

Accenture can assist its clients in being more sustainable thanks to the myNav. By making it easier to create cloud solutions that lower carbon emissions by rearranging manufacturing facilities such that carbon emissions can be calculated with ease.

by establishing new corporate efforts to lower transportation expenses and by establishing new rules for the disposal of out-of-date technology.

Accenture can assist its clients in becoming more sustainable by using mynav to locate, assess, architect, and simulate an end-to-end solution at scale.

reduces the expense of transportation

creates a design that is appropriate and aids the customer in becoming more sustainable.

establishes sustainable guidelines for disposing of outdated technology.

Green Cloud Advisor starts by establishing a baseline for the energy usage, compute needs, and sustainability objectives of current data centers. through promoting the development of cloud technologies that cut down on carbon emissions

by reconfiguring factories so that carbon emissions may be easily measured

by implementing creative business techniques to reduce the cost of transportation

by creating new regulations for removing outdated technologies.

To learn more about Accenture's sustainable software engineering from given link

https://brainly.com/question/26449898

#SPJ4

Answer:

Below

Explanation:

Mech adv = effort arm / load arm = 15 / 5 = 3

To solve this we must be knowing each and every concept related to force. and its different types. Therefore,  the mechanical advantage is 3.

A force is an outside entity that has the power to alter a body's state of rest or motion. It has a direction and a magnitude. The point where forces are applied is determined either by the force's direction as well as the application of the force.

Your training at this level should place a major emphasis on the idea which a push or even a pull was refereed to as a force. In our daily lives, forces appear in a variety of ways. as in weight and power. It refers to the force a bat applies to a ball and the strength a hairbrush has when stroking hair.

Mech adv = effort arm / load arm = 15 / 5 = 3

Therefore,  the mechanical advantage is 3.

To know more about force, here:

https://brainly.com/question/13014979

#SPJ2

In this case, a body of mass 5 kg kept at a height of 10 m. So, the potential energy is given as 500 J.

An object's potential energy is its stored energy. This energy has the capacity to be productive. An object's potential energy is provided by gravity. Gravity's downward force is the source of this potential energy.

The acceleration brought on by gravity is known as the gravitational constant, or g. On Earth, this acceleration is equivalent to 10 metres per second. PE = mgh is the equation for potential energy resulting from gravity. The object's potential energy declines and its kinetic energy rises as it approaches the ground.

Potential Energy = 5 x 10 x 10 = 500J.

To learn more about Potential Energy visit:

brainly.com/question/24284560

#SPJ4

If there is no friction and block B pushes block A with a force of magnitude F, therefore FA will also have a magnitude F, according to Newton's third law of motion.

According to Newton's third law, each force (action) in nature has an opposite and equal response. Whenever object B pulls on object A, item A pulls back on item B with an equal and opposing force.

Given :

Mass of Block A = M

Mass of Block B = 3M

Force exerted on block A is FA

Because both boxes are in contact.

Hence, force exerted by block A on block B is same that is FA

Force exerted by block B on block A has magnitude F (Given)

From Newton's third law of motion, the magnitude of FA is F Newton.

To know more about Newton's Third Law of motion visit :

https://brainly.com/question/29768600

#SPJ4

The weight of the automobile and trailer together is 2000 kg. The vehicle will accelerate at a rate of 2.5 m/s2.

Acceleration is measured in meters per second squared (ms2), or m s 2. Formula for Average Acceleration: The final velocity minus the initial velocity, divided by the change in time, is the equation for average acceleration (a). A = v t = v f v I t.

The product of an object's mass (m) and velocity (v) is its linear momentum. Higher momentum makes it more difficult to halt an object. P = mv is the equation for linear momentum.

To learn more about acceleration visit:

brainly.com/question/12550364

#SPJ4

The equation represents the force on a wire in a magnetic field (B) that is length L and carrying current I. where θ is the angle created by the magnetic field and the wire, and F=ILBsin.

The number of total of magnetic field line that travel through a specific closed surface is known as the magnetic flux. It provides a method to calculate the overall magnetic field which passes across a particular surface area.

Magnetic flux is measured in SI units by the Weber (Wb). Tesla is equal to one Weber per sq meter of flux density (T). Numerous additional units are routinely used to express the Weber unit.

To know more about magnetic flux visit:-

https://brainly.com/question/13851713

#SPJ4

A type of (1) energy known as electromagnetic radiation acts in space like a(n) (2) wave. (3) One kind of electromagnetic radiation is light. Microwaves, radio waves, and X-rays are some further examples.

radiation with a magnetic and electrical field that moves in waves .It derives from both organic and artificial sources. The energy levels of electromagnetic radiation might be low or high. It is made up of radio waves, microwaves, infrared photons, visible light, uv irradiation, x-rays, and gamma rays.

From top to bottom energy, the components of the visible radiation are refer to as gamma radiation, X-rays, Uv rays, photons, infrared rays, and radio waves. Microwave waves, like those used in microwave ovens, are a subset of the electromagnetic spectrum's radio wave category.

To learn more about electromagnetic radiation from given link

https:/brainly.com/question/1408043

#SPJ4

Jupiter affect observations of the Sun, from the viewpoint of an alien astronomer, by causing the Sun to move in a small ellipse with an orbital period of about twelve years. The correct option is option a.

Being the fifth closer planet to our Sun, Jupiter is the biggest planet in our Solar System. Jupiter is one of the gas giants in the Solar System.

From the Sun, Jupiter's average distance is about 480 million miles, and it takes nearly twelve years for Jupiter to make one revolution. Jupiter has a ring, albeit flat and small, like the rest of the gas giants. Jupiter's rotation is the fastest of all planets in the Solar System, rotating once on its axis every ten hours.

From the viewpoint of an alien astronomer outside our Solar System, the Sun will look as if it orbits Jupiter and takes 12 years to complete a revolution. Planets in general have orbits that are elliptical.

Learn more about Jupiter here: https://brainly.com/question/15044627.

#SPJ4

A full stop means that there is a complete cessation of the forward movement of the vehicle, or stop with no forward motion.

If two or more automobiles arrive at a four-way stop at the same time, the car to the right shall proceed first. "If two or more automobiles arrive at a four-way stop at the same moment, the car on the right shall proceed first."

Your headlights will allow you to see roughly 400 feet ahead of you. You should travel at a speed that permits you to stop within this distance, which is around 50 miles per hour.

Learn more about to forward motion

https://brainly.com/question/14375816

#SPJ4

A radio message is sent home by astronauts in a spaceship approaching Mars at a distance of from Earth.

A contact from Mars travels [between 3 and 22] minutes at light speed to reach Earth. Relativity contributes to the fact that the distance between Earth and Mars is 1.26 seconds longer.

A Mars year is roughly equivalent to two Earth years because of Mars' nearly two-fold longer orbital period than the Earth's. Earth and Mars are 57.6 million kilometers (35.8 million miles) from one another, while 401 million kilometers separate them at their farthest point (249 million mi).

The sole means of contact between Earth and Mars are radio and messenger. A courier will undoubtedly require a lot of time. We can determine how long it will take a radio message to travel between the two planets since radio waves travel at the speed of light (299,792 km/s; 186,282 mi/s). When the two planets are at their closest, the one-way voyage takes the fewest amount of time—3.2 minutes.

The time required for a one-way trip is 22.3 minutes when they are the furthest apart. A round-trip message will take between 6.4 and 44.6 minutes to send and receive. Of course, receiving an answer will take the same amount of time in each situation.

Learn more about Contact here:

https://brainly.com/question/3966206

#SPJ4

When you touch a piece of wool against your skin, your skin acquires a negative charge because of the conservation of charge, which caused it to gain a positive charge.

Charge is a material's property that can be transferred into another person's body. The transfer of the charge results in the generation of electricity. The following are some examples of charge's various properties: 1 Electric charge addition 2 Electric charge conservation 3 Electric charge quantization. Equations in chemistry are denoted by the capital letter Q to denote charge, with the elementary charge of an electron (e) serving as a standard unit. The coulomb is the SI-derived unit of charge (C). In electrical engineering, the ampere-hour (Ah) unit of charge is frequently used.Dipole Definition in Chemistry and Physics. by this primary information we can consider that when you rub a piece of wool upon your skin and your skin becomes negatively charged because it gained a positive charge as the result of conservation of charge.

Learn more about Charge:

brainly.com/question/3412043

#SPJ4

The value of the time constant is = 0.2996 s. Due to the fluid's dampening effect, the oscillations' amplitudes reduce. ma=−bv−kx.

Its amplitude decreases by half after every ten oscillations. Find the starting time at which the amplitude becomes 11000 times as large as it was initially: Q. A damped harmonic oscillator's displacement is determined by the equation x(t)=e01.

In an oscillating system, the amplitude is the amount by which the oscillating variable changes with each oscillation. For instance, sound waves in the air oscillate the atmospheric pressure, and the amplitude of each oscillation is proportional to the variation in the pressure.

to know more about time constant visits:

brainly.com/question/13860412

#SPJ4