rewrite this measurement with a simpler unit, if possible. 7.6 (kg . m. m) / s^2 note: if you can simplify the unit at all, it may be possible to make more than one simplification. be sure your final answer uses the simplest possible unit.

Within a study, the factor that does not change is the Independent variable. It is the variable that is controlled and changed by the experimenter.

The independent variable is the factor that is manipulated or changed in an experiment to observe the effect on the dependent variable. Examples of independent variables include temperature, amount of light, or amount of water. An independent variable is exactly what it sounds like. It is an independent variable that has no bearing on the other factors you are attempting to evaluate. For example, age may be an independent variable. For example, if you were analyzing how the amount of sunlight affected the development of a certain plant type, the amount of sunlight would be the independent variable. Each plant receives a different amount of light, which may be altered. Growth is the dependent variable. It is a result of the amount of sunlight.

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The ratio of the gravitational force to the electric force between two particles is determined by their respective charges and masses.

Gravitational force is a universal force of attraction that acts between all objects that have mass. It is the weakest of the four fundamental forces of nature, however it has the most far-reaching effects, as it is responsible for keeping planets in orbit around stars and for holding galaxies together. Gravitational force arises from an interaction between two bodies due to their masses.

The gravitational force between two particles is proportional to their masses and inversely proportional to the square of the distance that separates them.

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The weight of the astronauts and the gravitational force of the space station on the astronauts describes the action-reaction force pair in the space.

According to Newton's law of gravitation, every objects attracts every other object in the universe with a force called gravitational force. This force is directly proportional to the product of the objects' masses and inversely proportional to the square of the distance(d) between them.

F = gMm/d²

Now according to the third law of newton every force has an equal and opposite reaction. So the gravitational force of the space station will be equal to the weight of the astronauts on the space station.

Hence the correct option is C.

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Below are several statements. Since scientific law is a statement of the results of the relationship between facts and usually uses a formula or mathematical equation, the statement that is best classified as the law is

a. When a gas rises in temperature, we believe that it is due to the increased motion of the molecules.

d. Force equals mass times acceleration.

f. With all other conditions remaining stable, we observe that as the pressure of a gas increases, the temperature also rises.

g. Likewise, when the temperature rises, the pressure rises.

A scientific law is a statement in the world of science that starts from a hypothesis and is proven by experiments involving theoretical hypotheses. Experimental results can support the hypothesis theory and can prove its truth. Usually, this is reinforced by mathematic formulas. Historically, the laws of science have been inspired by scientific experiments and created on the basis of critical thinking or by some chance circumstances.

While a scientific theory is a concept or construction that is related to one another, with an emphasis on boundaries, and systematic prepositions, and carried out based on the presence of symptoms. Because the existing symptoms can be used to determine the relationship between one variable and another, according to the expected goals.

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"Nature" is to genetic influences as "Nurture" is to environmental influences.

The phrase "nature vs. nurture" refers to the debate over how much "nature" or "nurture" contributes to an individual's traits.

While "nurture" can relate to upbringing as well as life experience more broadly, "nature" refers to innate biological characteristics (specifically genetics).

Thus, theories emphasizing the importance of either education and experience but rather biological nature had also risen and fallen in popularity throughout the modern era, with genetics increasingly recognized as a key factor in determining uniqueness in the latter 20th century and even beyond.

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(a) A total distance of 8 + 4 = 12 metres. (b) The displacement of C is 8m in magnitude. (c) The displacement is (8m)i from beginning to end.

a) Point The first step of C's journey begins at x=2 and ends at x=10, covering a distance of (10-2) = 8m. In the second step, C travels to x=8 and returns to x=10m. A distance of 2 is equal to 2 * (20-8) = 4 metres.

= 8+4=12 metres is the total distance travelled.

b) The displacement is the distance between two locations in a figure that is the shortest. In the example in the picture, C begins its journey at x=2m and ends at x=10m; the distance between these two points is (10-2) = 8m, therefore the displacement of C is 8m.

C) We now understand that the displacement has a magnitude of 8m and a direction parallel to the positive x-axis.

From beginning to end, there is a (8m)i displacement.

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After the collision, the ball of mass m rebounds to the left with velocity v.

9/4mv² is the loss of kinetic energy in the collision.

What is collision?

When two bodies such as two pool cues, a golf club and a ball, a hammer and a nail, two railroad cars when connected, or a falling object and a floor abruptly and violently collide, this is referred to as a collision, also known as an impact.

What is kinetic energy?

The energy of motion, or kinetic energy, can be observed in the movement of an item or a subatomic particle. Every moving object and individual particle contains kinetic energy. When something moves, like when a person walks, a baseball flies, a piece of food falls off a table, or a charged particle moves in an electric field, it is exhibiting kinetic energy.

initials : m 1 =m ,m 2=2m,u1=2v,u 2 =−v

after collision: v 1 =−v

using conservation of linear momentum:

m1u1+m2u2=m1v1+m2v2

2mv−2mv=−mv+2mv2

v2 = V/2

Initial kinetic energy=m1 u²₁/2+ m2 u²₂/2= 3mv²

Initial kinetic energy=m1 v²₁/2+m2 v²₂/2 = 3/4 mv²

loss in Kinetic Energy=InitialKE−FinalKE

9/4mv²/2 = 3/2mv²

Therefore, collision, the ball of mass m rebounds to the left with velocity v. 9/4mv² is the loss of kinetic energy in the collision.

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At point X, the current is the same as the current entering the circuit, which is determined by the voltage of the power source and the resistance of the components in the circuit.

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Electrical breakdown between the small positive charge region close to the cloud's base and the negative charge region in the middle of the cloud typically causes a burst of cloud-to-ground lightning.

There are too numerous and unreliable factors that can lead to the production or buildup of charge in the clouds. However, during thunderstorms, strong air currents divide positive and negative charges, resulting in clouds with rain in the lower sections and ice crystals in the upper regions.

There is always a charge imbalance between the atmosphere and the ground during thunderstorms during the wet season, which is partially released through electron movement in the form of "cloud-to-ground" lightning.

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The buoyant force on the steel object is equal to its weight. The tension in the string is less than weight of the steel object. The buoyant force on the ehckis equal to the volume of water it displaces.

What is meant by weight?

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Steve had a stroke last year that most likely the stroke has damaged his frontal lobes.

Stroke can be explained as a condition that occur when sufficient blood does not flow to the brain or due to insufficient flow of blood to the brain. Stroke should be treated as an immediate emergency case as it can lead to difficult walking, talking or paralysis and many more worst cases.

When a person's frontal lobes is damaged the brain may not function properly again and stroke is one of the cause of damaged frontal lobe.

Therefore if he is unable to remember what he just ate for breakfast. it is most likely that the stroke: damaged his frontal lobes.

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The graph of speed of v as a function of time t that is correct for the two objects is B. B and A parallel with B on top.

The force of gravity is the force by which a planet or other body draws objects toward its center.

When object A is released from rest at height h and at the same instant, object B is thrown downward from the same location, the graph of speed of v as a function of time t is B and A parallel with B on top.

This is because object A is being acted upon by the force of gravity only and is therefore in free fall, while object B is being thrown downward with an initial velocity and also experiences the force of gravity. Both objects will accelerate at the same rate due to gravity, but object B will have an additional initial velocity, so its speed will be greater than object A's at all times.

The problem seems incomplete, it must have been...

"Object A is released from rest at height h. At the same instant, object B is thrown downward from the same location. Which of the following graphs of speed v as a function of time t is correct for the two objects?

A. B and A in a v shape with B on top

B. B and A parallel with B on top

C. B and A with lots of space between them

D. B and A with little space between them

E. B and A close together with A on top"

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Nuclear energy is a nonrenewable energy source as it cannot be used as a fuel more than once.

Nuclear energy is a type of energy which releases from the nucleus, the utmost core of atoms. nucleus is made up of protons and neutrons. Nuclear energy can be obtained in two ways: fission: when nuclei of atoms split into many parts & fusion: when nuclei fuse together.

The nuclear energy, which is used to produce electricity around the world today, is through nuclear fission, while technology to generate electricity from fusion is currently in research state. Non-renewable source of energy are those which cannot be used twice or more than once. That's why nuclear energy is considered as the non-renewable force.

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The relationship is given as (E) A force not associated with the electric field moves the electron from point A to point B. The electric field does negative work on the electron in the process.

We know that electric field is directed from positive terminal to negative terminal, if the electron truly effected by electric field, it should have moved towards the positive terminal, as electron is negatively charged particle. So a net force not associated with electric field moves the electron from A to B. The proton and electron have equal and opposite charge and force F=qE. So when they are placed in uniform electric field, the magnitude of forces are equal.

Hence option E is correct.

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Complete question:

An electron is placed at point A in a uniform electric field of magnitude E directed to the right, as shown above. A short time later, the electron is at point B. Which of the following statements describes the relationship between the electric field and the motion of the electron? The electron experiences a force of magnitude F =qE at point A, which accelerates the electron in the direction of the electric field The electric potential energy of the electron-field system at point A is converted into kinetic energy, causing the electron to move along the field lines. The electron moves through the electric field from a higher electric potential at point A to a lower electric potential at point B D) The electron is accelerated by the electric field in a direction perpendicular to the field lines, causing it to move from point A to point B (E) A force not associated with the electric field moves the electron from point A to point B. The electric field does negative work on the electron in the process.

Answer:

  C. bowling balls

  D. steel cubes

Explanation:

You want to identify the elastic collisions from the list ...

An elastic collision is one in which there is no loss of kinetic energy. Both kinetic energy and momentum are conserved.

In general, a collision is not elastic if energy is dissipated as sound, light, heat, or deformation of material.

Of the offered choices, the first two (car collision, sticky tape collision) will result in deformation of one or more of the colliding objects. That deformation dissipates energy, so the kinetic energy after the collision will be different from before the collision.

The collision of (C) bowling balls, and (D) steel cubes are elastic collisions. Neither results in deformation of the colliding objects.

__

Additional comment

Clearly, any sort of collision can be engineered with enough starting energy to cause the colliding objects to disintegrate. Here, we're primarily concerned with collisions that allow the integrity of the colliding objects to be maintained (except in crashed cars).

The collisions are more or less assumed to be "ideal" in that there is no significant energy loss due to sound or vibration of the objects involved.

The building contains ceiling apertures that enable viewing of constellations that are prominent in the folklore of the culture, and many other structures constructed by the same civilization also have ceiling holes arranged in the same manner.

Folklore is the collective memory of a group of people and it contains the traditions particular to that culture, subculture, or community. Orally transmitted myths, lore, adages, and jokes are included in this. The group's material culture, which ranges from conventional construction designs, is one of these. Folklore also includes customary beliefs, forms and rituals associated with holidays like Christmas and weddings, folk dances, and initiation rituals.Each of them is regarded as a folklore artifact or a traditional cultural manifestation, either separately or together. Folklore includes the transmission of these artifacts from one place or generation to the next, which is just as important as the form.

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The work function of the metal is found to be 1.13eV and the speed of the ejected electrons is found to be 7.8 x 10⁵ m/s.

The wavelength of the light used for illumination is 437 nm.

The stopping potential is given to be 1.67V.

The required values are also given,

(a) The work function is found as,

Ve + W = E

E is the energy of the light,

V is the stopping potential,

W is the work function,

Putting values,

1.67eV + W = 1240/437eV

W = (2.8- 1.67)eV

W = 1.13eV.

The work function of the metal is 1.3eV.

(b) The maximum speed of the ejected electrons,

Kinetic energy = stopping potential

1/2mv² = 1.67 eV

v² = 1.67 x 1.67 x 10⁻¹⁹ x 2/9.1 x 10⁻³¹

v₂ = 6.1 x 10¹¹ m/s

v = 7.8 x 10₅ m/s.

So, the speed of the electron is 7.8 x 10⁵ m/s.

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According to the problem the molecular weight of air in this process is 0.8316 g.

Molecular weight is a measurement used to describe the mass of an individual molecule. It is expressed in daltons (Da) or atomic mass units (amu). It is calculated by adding together all of the atomic masses of the atoms that make up the molecule.

The first law of thermodynamics states that the change in the internal energy of a system is equal to the heat added to the system plus the work done on or by the system.
Since there is no work being done in this process, we can write:
$\Delta U=Q$
We can calculate the change in internal energy using:
$\Delta U=nC_v\Delta T$, where $n$ is the number of moles and $C_v$ is the specific heat capacity at constant volume.
We can calculate $n$ using:
$n=PV/RT$, where $P$ is pressure, $V$ is volume, $R$ is the universal gas constant, and $T$ is temperature.
At state 1, n = (3 bar)(0.2 m3)/[(8.31 J/mol K)(350 K)] = 0.0099 mol
At state 2, n = (5 bar)(0.6 m3)/[(8.31 J/mol K)(350 K)] = 0.0297 mol
The molecular weight of air can be calculated as follows:
Molecular weight of air = 28 g/mol x n (moles) = 28 g/mol x 0.0297 mol = 0.8316 g
Therefore, the molecular weight of air in this process is 0.8316 g.

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Our solar system currently consists of nine planets. completes one rotation around the centre of the milky way every 250 million years. The correct option is (C).

Around 4.5 billion years ago, gravity pulled a cloud of gas and dust together, forming our solar system.

The Sun is the parent star of the solar system and by far its most important element. It is categorised as a yellow dwarf with a medium size.

The Sun is the centre of the solar system, which also includes the eight planets, their 162 known moons, the three currently known dwarf planets, each with four known moons, and thousands of other minor bodies. Asteroids, meteoroids, comets, and interplanetary dust fall under this final category.

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Answer:

I think a is the correct answer

B: Electrostatic force is responsible for the repulsive force between two atoms charged identically.

The electrostatic force is an attractive force as well as a repulsive force induced by the electric charge particles. The electrostatic force is also called Columb's force. The Columb attraction would be named after Charles-Augustin de Coulomb, a French scientist. One of nature's four basic forces however is electrostatic force.

Between two charges placed at a distance, there exists the electrostatic force. The magnitude of the electrostatic force relies on the magnitude of each charge and the distance between them. When two identically charged objects (both with positive charges or both with two negative charges) are brought together, then the same charges repel each other.

"

Complete question

which of the following are responsible for the repulsive force between two identically charged atoms?

A: force of attraction

B: electrostatic force

"

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1. ratio of densities-> specific gravity 2. measure of pull of gravity-> weight 3.mass divided by volume-> density 4. Archimedes' Principle-> buoyancy

The ratio of densities is also called as Specific gravity which is used for comparing two different substances of different densities take the example of water and milk both have different densities and that ratio is called specific gravity. And it does not have any SI Unit as it is a simple ratio.

The weight is defined as the pulling of the mass by gravity or the force exerted by a mass on the surface. which has SI Unit as N.

Density is the mass per unit of volume so it makes a simple formula as Mass divided by volume which has si unit as kg/m3.

Buoyancy is also a force a body exerts on the surface of the liquid which is based upon Archimedes' Principle.

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The electric field in region 1, due to the sphere, can be expressed as:

where Q is the charge of the sphere, r is the distance from the center of the sphere, and ε0 is the permittivity of free space.

An electric field is a force field created by a charged particle that exerts a force on other charged particles in the vicinity. It is measured in units of Volts per meter (V/m). The electric field is a vector quantity, meaning it has both magnitude and direction.

The electric field is defined as the force experienced by a unit charge placed in the field. The magnitude of the electric field is proportional to the charge, and the direction of the field is determined by the direction of the force. Electric fields can exist between two charged objects, or between a charge and the ground. Electric fields can also be generated by electric currents, where they are called magnetic fields.

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Linear, exponential, and U-shaped are several ways to characterise the correlation's shape.

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The corresponding tensile stress in the splice is 1240 kPa.

Tensile stress is a type of mechanical stress that occurs when an object is pulled or stretched. It is the opposite of compressive stress, which occurs when an object is pushed or compressed.

Given:
Maximum allowable shearing stress in the glued splice, τ_allowable = 620 kPa.
(a) Largest load P that can be safely applied:
The maximum loading capacity of a scarf joint is determined by the allowable shear stress, τ_allowable. The load P is related to the maximum allowable shear stress by the following equation,
P = 2Aτ_allowable
where A is the cross sectional area of either member of the joint.
Therefore, P = 2*A*τ_allowable
= 2*A*620 kPa
= 1240 A (kN)
Hence, the largest load P that can be safely applied is 1240 A (kN).
(b) Corresponding tensile stress in the splice:
The tensile stress in the splice is related to the load P and cross sectional
area A by the following equation, σ = P/A.
Therefore, σ = 1240 A/A = 1240 kPa.
Hence, the corresponding tensile stress in the splice is 1240 kPa.

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"The electric fields (which are vectors) produced by multiple charges add (meaning vector addition)."The total electric field is the sum of the two fields if there are two electric fields, one created by a positive charge and the other produced by a negative charge.

This means that if you have two electric fields, one produced by a positive charge and one produced by a negative charge, the total electric field is the sum of the two fields.

The direction of the total field is determined by the direction of the individual electric fields, and the strength of the total field is determined by the magnitude of the individual fields.

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As the crew is adding one mile to the road each day, so the length of the road after 27 days is 79 miles.

A collection of skilled workers, including a supervisor, a construction manager, a distinct maintenance staff, and a team of specialist labourers, make up an efficient construction crew. Employees must actively participate in the prevention of hazardous situations as they have a significant role to play.

A road construction crew assists with new road and sidewalk creation, repairs to or improvements to current roads, and the burying of wires underneath the local roads. They are also known as vehicle restraining operators and highway maintenance operators.

The question is incomplete, find the complete question here

A construction crew is lengthening a road that originally measured 52 miles. The crew is adding one mile to the road each day. The length, L (in miles), after d days of construction is given by the following function. L = 52 + d. what is the length of the road after 27 days?

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Power required= 450 watts

Given,

Force(F)= 300N,

Time(t)= 1.0s,

Distance(d)= 1.5m,

Power(p)=?

Power(p)=work/time,

Work=Force*Distance=F*d

        =300*1.5 =450J

Power(p)= 450/1.0

              =450 Watts

Power required= 450 Watts

Answer:

The answer is 2 kgm/s.

Explanation:

We see that Impulse = FT = mv but in this case..

we have only a force and time which, of course happens to be the Impulse and NOT the momentum.

I = FT = P

(4)(0.5)

= 2 kgm/s or Ns?

Well the answer in fact is 2 kgm/s.

That is in fact the CORRECT answer not that it can not be identified. It can and is 2 kgm/s since we are talking about Momentum

Answer:

i'am a french personn i use a traductor

Explanation:

Des astronomes ont débusqué une explosion cosmique vieille de 10,5 milliards d'années. Une énorme explosion cosmique vieille de 10,5 milliards d'années: des astronomes annoncent mardi avoir découvert la supernova, une étoile en fin de vie, la plus lointaine jamais détectée