to be effective, why must agreement aimed at preventing or reducing ozone depletion be international?
I have to get it done.. it's pass due

The center of mass of the rigid body in the world space will be given below.

[tex]\rm x_{cm} = \dfrac{m_1x_1 + m_2x_2 + ... }{m_1 + m_2 + ... }\\\\\\\rm y_{cm} = \dfrac{m_1y_1 + m_2y_2 + ... }{m_1 + m_2 + ...}\\\\\\\rm z_{cm} = \dfrac{m_1z_1 + m_2z_2 + ... }{m_1 + m_2 + ... }[/tex]

The unique location where the graded relation of the scattered mass adds to zero is known as the center of mass in physics. Here is where a load may indeed be exerted to produce a moving object without also producing an angular acceleration.

The center of mass is given as,

[tex]\rm x_{cm} = \dfrac{m_1x_1 + m_2x_2 + ...... + m_nx_n}{m_1 + m_2 + .... + m_n}\\\\\\\rm y_{cm} = \dfrac{m_1y_1 + m_2y_2 + ...... + m_ny_n}{m_1 + m_2 + .... + m_n}\\\\\\\rm z_{cm} = \dfrac{m_1z_1 + m_2z_2 + ...... + m_nz_n}{m_1 + m_2 + .... + m_n}[/tex]

For a rigid body with particles, let the particle positions in the world space be 1, 2, … and the masses of the particles be 1, 2, ….

Then the center of mass will be

[tex]\rm x_{cm} = \dfrac{m_1x_1 + m_2x_2 + ... }{m_1 + m_2 + ... }\\\\\\\rm y_{cm} = \dfrac{m_1y_1 + m_2y_2 + ... }{m_1 + m_2 + ...}\\\\\\\rm z_{cm} = \dfrac{m_1z_1 + m_2z_2 + ... }{m_1 + m_2 + ... }[/tex]

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polar liquid is most likely true about the unknown liquid.

Polar Molecule Examples

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That identical spaceship takes around a year to get to mars.

The Earth's axial wobble is stabilized by the Moon, the biggest and brightest object in our night sky, leading to a typically stable climate. As a result, Earth is a more hospitable planet. Moreover, it produces tides, which result in a rhythm that has guided mankind for a very long time. The following calculation must be performed to determine how long it will take the same spacecraft to reach Mars given that Mars is 140 times further away from Earth than the Moon and that a spacecraft can traverse the 386,400 kilometers between the Earth and the Moon in 3 days:

140 x 3 = 420 days

This spaceship will travel from Earth to Mars in just about one year and two months, assuming a year has 365 days.

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The correct answer is rate of acceleration will be reduced by 3.

Newton's law states that the force acting on an object is inversely proportional to its rate of acceleration. This means that if an object's mass remains constant, its acceleration will fluctuate in accordance with its applied force, and vice versa.

A vector number called acceleration can be used to describe how quickly an object changes its velocity. If an object is constantly altering its velocity, it is still accelerating.

By Newton's law.

F=ma

The force is F.

m is the object's mass.

A represents acceleration.

The mass will triple if

a'=1/3×F/m

a'=a/3

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consider F1 = 425 N      θ1 = 55

              F2 = 5 N          θ2 = 161

            F3 = 35 N          θ3 = 320

Now, take x and y component of force

Fx = F1cos55 + F2cos161 + F3 cos320

fx= 425 * 55  + 5 * (-0.94) + 35 * 0.76

fx =242.2- 4.7+ 26.6

fx =264.1

now fy

Fy = F1sine55 + F2sine161 + F3 sine320

fy= 425 * 0.81 + 5 * 0.32 + 35 * (-0.64)

fy = 344.2+1.6-22.4

fy = 323.4

now resultant force

Fr^2= fx^2+fy^2

     = (264.1)^2 + (323.4)^2

Fr= 417

now, consider F1 = 425 N      θ1 = 55

              F2 = 5 N          θ2 = 161

            F3 = 35 N          θ3 = 320

Now, take x and y component of force

Fx = F1cos55 + F2cos161 + F3 cos320

fx= 425 * 55  + 5 * (-0.94) + 35 * 0.76

fx =242.2- 4.7+ 26.6

fx =264.1

now fy

Fy = F1sine55 + F2sine161 + F3 sine320

fy= 425 * 0.81 + 5 * 0.32 + 35 * (-0.64)

fy = 344.2+1.6-22.4

fy = 323.4

now resultant force

Fr^2= fx^2+fy^2

     = (264.1)^2 + (323.4)^2

Fr= 417

now, resultant angle

tan θ =fy/fx

  = 323.4/264.1

tan θ = 1.2

θ =0.020

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The amount of metabolic energy expended by the bird is 39.2 J.

Energy is the ability to perform work in physics. It might exist in several different forms, such as potential, kinetic, thermal, electrical, chemical, radioactive, etc. Additionally, there is heat and work, which is energy being transferred from one body to another. Energy is always assigned based on its type once it has been transmitted. Thus, heat transmitted may appear as thermal energy while labor performed may result in mechanical energy. Motion is a property of all energy types. For instance, if a body is moving, it possesses kinetic energy. Even while at rest, a tensioned object like a spring or bow has the ability to move; this is due of its design, which includes potential energy.

E = mgh = (0.20)*(9.8)*(20) = 39.2 J

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Answer: i counted 10 waves on your graph

Explanation: hope this helps!!!

Answer:

The Number of waves is 9 based on the trough and crest.

By conservation of energy, the height of the playground slide should be 108.241 meters.

We need to know about the conservation of energy to solve this problem. The energy can not be created or destroyed, the only way is to change to another form. It can be written as

Ei = Ef

where Ei is initial energy and Ef is the final energy

From the question above, we know that

m = 35 kg

v = 4.7 m/s

The playground slide is converting the potential energy from height to kinetic energy. Hence,

Ei = Ef

PE = KE

m . g . h = 1/2 . m . v²

h = 1/2 . g . v²

h = 1/2 . 9.8 . 4.7²

h = 108.241 meters

Hence, the height of playground slide should be 108.241 meters to reach 4.7 m/s of velocity at bottom.

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According to this estimate, at any distance, the gravitational force between two electrons is always 4.1 x 10^42 times stronger than the electric force between them.

Gravitational attraction definitions. The force of attraction between all masses in the universe, particularly the pull of the earth’s mass on objects that are close to its surface.

Gravitation, gravitational force, and similar terms.

The force interacting with the Earth and Sun. the driving force behind the Moon’s revolving orbit around the Earth. The force of the Moon is what drives the tides in the ocean. The force trapping every gas inside the Sun.

The mass of the Earth is what creates gravity. The combined gravitational force of all of its mass acts on the mass in your body. What gives you weight is that. Moreover, if you lived on a planet with a mass lower than

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The magnetic field within the solenoid is 0.013T

An electromagnet known as a solenoid creates a regulated magnetic field using a helical coil of wire whose length is significantly higher than its diameter. When an electric current is sent through the coil, it may create a consistent magnetic field inside a defined region of space.

A solenoid operates by creating an electromagnetic field surrounding an armature, which is a moving core. The electromagnetic field causes the armature to move, and when it does, it opens and closes valves or switches, converting electrical energy into mechanical motion and force.

The magnetic field within the solenoid can be calculated by the expression given below.

Write the expression for magnetic field within the solenoid.

B = u₀nI

B = 4π * 10⁻⁷ * 2000 * 5.2

= 0.013 T

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When we increase the intensity of incident light, the number of electrons ejected from the metal surface has increased energy. Thus, correct option is D.

Electrons are emitted from the metal surface when it is exposed to light. This is called the photoelectric effect. Each metal has a certain threshold frequency of light at which an electron is emitted. Above this frequency, the electron is emitted and the extra energy is transferred to the electron.

On increasing the intensity of incident light, the kinetic energy of electrons increases several folds. This is because, energy of an electron is directly proportional to the intensity of incident light. Thus, D is the correct option.

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Your question is incomplete, probably the complete question/missing part is:

You shoot a beam of 4. 5 ev light at a metal surface and notice that electrons are being released from the metal. What will happen if you then increase the intensity of the 4. 5 ev light?

A. The metal will bend and warp.

B. Nothing, the energy of the light is the same.

C. More electrons would be released.

D. Photons would come off at higher speeds.

When the following solutions are brought into touch with one another on various sides of a semipermeable membrane, the net direction that water would diffuse (via osmosis) is that Water travels through osmosis from low solute concentration areas to high solute concentration areas.

Osmosis is the naturally occurring diffusion or passage of water or other solvents over a semipermeable membrane (one that prevents the passage of solutes, or dissolved compounds).

German plant physiologist Wilhelm Pfeffer began a systematic study of the crucial biological process in 1877.

Both the pressure gradient and the concentration gradient affect the net direction and rate of osmosis.

Hypertonic, isotonic, and hypotonic are the three osmotic states.

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The relative velocity of object 1 with respect to object 2 will be → +5 mph along the positive y - axis.

We have two objects moving in north direction.

We have to determine the relative velocity of object 1 relative to object 2.

The velocity of an object A relative to another object B is the velocity that object A would appear to have to an observer moving with B.

According to the question, we have -

The velocity of Object 1 = v(1) = [tex]10\;a_{y}[/tex] mph

The velocity of Object 2 = v(2) = [tex]5\;a_{y}[/tex] mph

Since the two objects 1 and 2 are moving in the same direction, therefore the velocity of object 1 relative to object 2 will be -

v(1)' = v(1) - v(2) =  [tex]10\;a_{y}[/tex]  -  [tex]5\;a_{y}[/tex] =  [tex]5\;a_{y}[/tex] mph

Hence, the relative velocity of object 1 with respect to object 2 will be → +5 mph along the positive y - axis.

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The correct answer is Einstein proposed that light must be made up of packets to explain the photoelectric effect (particles). The frequency of a light packet affects how much energy it contains. Whether or not a single photon has enough energy to knock an electron loose determines whether or not a metal will emit electrons.

The kinetic energy of the electrons is precisely proportional to intensity because, according to wave theory, the energy of electromagnetic waves is uniformly distributed over the wavefront and solely depends on the intensity of the input light beam. However, it was discovered through experimentation that the kinetic energy is unrelated to the brightness of the incident light.

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Answer: not alot

Explanation:

The frequency of electromagnetic waves is 10⁶ Hz or 1 MHz.

We need to know about electromagnetic waves to solve this problem. Electromagnetic waves can propagate without media. The speed of electromagnetic in vacuum media is equal to the speed of light. Hence, the wavelength and frequency can be determined as

c = λ . f

where c is the speed of light (3 x 10⁸ m/s), λ is wavelength and f is frequency.

From the question above, we know that

λ = 300 m

By substituting the given parameter, we can calculate the frequency of radiowaves

c = λ . f

f = c / λ

f = 3 x 10⁸ / 300

f = 10⁶ Hz

f = 1 MHz

Hence, the frequency of radiowaves is 10⁶ Hz or 1 MHz.

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By using one as a frame of reference, we will see that 6 seconds elapse before the two cars meet.

The correct option is B.

A frame of reference is a clearly defined coordinate system that is used to represent a body's motion or state of rest. Reference frames can be divided into two categories: inertial or non-accelerating frames and non-inertial or accelerating frames.

This moves at 30 m/s, then we will see that car A does not move, while car B moves with a speed of:

S = 20m/s + 30m/s = 50m/s

The two cars are moving in opposing directions, therefore the velocities are summed (So car A sees that car B comes faster than it actually does).

We just need to determine how long it will take automobile B to drive 300 metres at 50 m/s now that we are in this frame of reference.

Distance/speed = time

distance = 300m

speed = 50m/s.

(300m)/( 50 m/s) = 6s

This means that 6 seconds elapse before the two cars meet.

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The complete question is -

Two cars, A and B start out 300 meters apart. Car A travels due east toward car B at 30 meters per second. Car B travels due west toward car B at 20 meters per second. How long does it take before the two cars meet?

A- 15s

B- 6s

C- 10s

D- 5s

By Avogadro's number, the radon atoms is 3.02 x 10²² atoms.

We need to know about Avogadro's number to solve this problem. Avogadro's number is the number that explains how many carbon atoms are in one mol. The Avogadro's number is

Na =  6,02 × 10²³ atoms / mol

From the question above, we know that

V = 1.205 qt = 1.205 x 0.95 lt= 1.14475 lt

ρ = 9.73 g/lt

Ar = 222

Calculate the mass of radon

m = ρ . V

m = 9.73 . 1.14475

m = 11.14 gram

Calculate the moles

n = m / Ar

n = 11.14 / 222

n = 0.05 mol

Calculate the number of atoms

N = n . Na

N = 0.05 . 6,02 × 10²³

N = 3.02 x 10²² atoms

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[tex]{\color{Blue} N=3.47\ billions}[/tex]

The electric flux through green spherical surface is[tex]\rightarrow \Phi=62.8\ N\ m^{2}\ C^{-1}[/tex]

Permittivity of free space is [tex]\rightarrow \epsilon_{0}=8.85\times10^{-12}\ F\ m^{-1}[/tex]

Fundamental unit charge value is [tex]\rightarrow q=1.602\times10^{-19}\ C[/tex]

According to Gauss's law, electric flux is directly proportional to the enclosed charge [tex]Q_{enc}[/tex] inside spherical surface, which is given as:

[tex]\therefore \Phi=\frac{Q_{enc}}{\epsilon_{0}}[/tex]

[tex]\therefore Q_{enc}=\Phi \epsilon_{0}[/tex]

[tex]\therefore Q_{enc}=62.8 \times8.85\times10^{-12}[/tex]

[tex]\therefore Q_{enc}=555.75\times10^{-12}\ C[/tex]

therefore, total enclosed charge inside spherical surface is [tex]Q_{enc}=555.75\times10^{-12}\ C.[/tex]

Since charge is quantized, number of fundamental charges N is given as:

[tex]Nq=Q_{enc}[/tex]

[tex]\therefore N=\frac{Q_{enc}}{q}[/tex]

[tex]\therefore N=\frac{555.76\times10^{-12}}{1.602\times10^{-19}}[/tex]

[tex]{\color{Blue} \therefore N=3.47\times10^{9}}[/tex]

[tex]{\color{Blue} \therefore N=3.47\ billions}[/tex]

Therefore, [tex]{\color{Blue} N=3.47\ billions}[/tex] fundamental charges make up the value of the enclosed charge.

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A. Equipment grounding conductor B. Hot (phase) conductor C. Grounded (white) conductor

Silver-colored screw is matched with C) Grounded (white) conductor

Brass-colored screw is matched with B) Hot (phase) conductor

Green hexagonal screw is matched with A) Equipment grounding conductor.

A substance or material that permits the flow of electricity is known as an electrical conductor.

When a voltage is applied, electrical charge carriers, typically electrons or ions, move easily from atom to atom.

There are four different types of conductors: good conductors, semiconductors, resistors, and non-conductors.

Metals are effective electrical conductors. One or more loosely bonded valence electrons, or even just one, can be found in metals. These electrons can freely flow around an electric circuit, creating a domino-like effect.

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The speed of the plane with respect to the ground will be 117.89 meters per second.

In this question, we need to determine the plane's relative speed to the ground because that will move east at 130 meters per second. The wind is blowing roughly in this direction at 30 meters per second and is at an angle of 30 degrees west of north.

Therefore, we need to identify the x and y components of the wind in order to compare these. We know that x will be equal to 30 times the cosine of our angle. Y will equal 30 times the sine of 60 degrees and we obtain a cosine of 60 degrees.  Therefore, in this instance, 30 cosine of 60 will result in 15 and 30 sin of 60 will result in 15 square roots of 3 points.

Therefore, if we want to determine the magnitude of the plane with respect to the graph, we must combine our similar forces. To do this, we will need the square root of 130 for the plane, the minus sign because the wind is blowing in the opposite direction in this case, the x minus 15 square, the n plus our y component,  15 square root of 3 square, and the plane itself.

We now know that 3600 seconds equal 1 hour when translated to seconds. Therefore, we are aware that distance equals velocity multiplied by time. We should arrive at 24804 meters if we multiply our speed, which is 117.89 meters per second, by 3600 seconds.

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Answer:

Statement of the given problem,

A ball is thrown vertically upwards at 19.6 m/s. For its complete trip (up and back down to the starting position), what is its average speed?

Let H & T denote the maximum height (in m) of the given ball & the time (in s) required for it to reach there.

Hence from above data we get following kinematic relations,

T = [19.6 m/s - 0 m/s)]/(9.8 m/s^2) [9.8 m/s^2 = gravitational acceleration (assumed)]

or T = 2 (s)

H = (19.6 m/s)*(2 s) - (1/2)*(9.8 m/s^2)*(2 s)^2

or H = 19.6 (m)

Therefore,

assuming vertically upward & downward motions are identical with respect to time & distance covered by the given ball,

the required average speed of the ball during its travel up and back down to the starting position

= (total travel-distance)/(total travel-time)

= 2*(19.6 m)/[2*(2 s)]

= 9.8 m/s [Ans]

Answer:

v = a t = 4 m/s^2 * 5 s = 20 m/s

It can increase its speed by 20 m/s

Using V = V0 + a t

V0 (initial speed) had to be 12 m/s

Answer:

The Vertical initial velocity for a projectile can be zero for an infinite number of cases. The only requirement stands that the initial velocity (velocity at the time we start observing) should be zero, independent of acceleration along that axis or any other perpendicular axis.

Green box is subject to balanced force, while red, blue, and green boxes are under unbalanced force.

When there is a balanced force, forces acting in the opposite direction are applied to the body. Zero net force is produced when equal forces are applied in each direction. The body continues to be in an equilibrium state. The body doesn't accelerate at all.

If it was initially at rest, it stays there, and if it was in motion, it keeps moving constantly while under an unbalanced force. The net force is not zero when just one direction is affected by the force of direction. Alternatively, the direction of motion is determined by the net resultant force when the forces acting on each side are not equal.

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The rock takes 2.65 s to hit ground when it is thrown up from the cliff with initial velocity of 8.2 m/s. The cliff is of 8.26 meters height.

A cliff is a section of rock with an overall angle defined by the vertical or nearly vertical in geography and geology. Cliffs are created by the gravitational effects of weathering, erosion, and other activities. Cliffs are typical around rivers, in mountainous regions, escarpments, and on coastlines. Typically, cliffs are made of weather- and erosion-resistant rock. Sandstone, limestone, chalk, and dolomite are the sedimentary materials most likely to result in cliff formation. Cliffs are frequently formed by igneous rocks like granite and basalt. A geologic fault's movement, a landslide, or occasionally rock slides or falling rocks that alter the differential erosion of the rock can result in an escarpment (or scarp), a type of cliff.

The known values are: t=2.65st=2.65s;

y=0m,v0=+8.00m/sv

0​=+8.00m/s; and a=-9.8m/s^2

a=-9.8m/s^2[tex]\sqrt{x} \sqrt{x} \sqrt{x} \sqrt{x}[/tex]

Based on the given values, the formula that we shall use is

y=y0+v0t+1/2at^2

Substituting the values, we have

y=y0+v0t+1/2at^2

=8.26m  

​

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The temperature can be converted by using the conversion relationship.

It is defined as the conversion from one quantity unit to another quantity unit followed by the process of division, and multiplication by a conversion factor.

It is given that:

Air temperature rises from a morning low of 42'f to an afternoon high of 70f.

The temperature of 42°F can be converted as:

Converting from F to C:

= (5/9)(42 - 32)

= 5.55°C

Converting from F to R:

= (42 + 459.670)

= 501.67°R

Converting from F to K:

= [5/9](42 - 32) + 273.70

= 278.705°K

The temperature of 70°F can be converted as:

Converting from F to C:

= (5/9)(70 - 32)

= 21.11°C

Converting from F to R:

= (70 + 459.670)

= 529.67°R

Converting from F to K:

= [5/9](70 - 32) + 273.70

= 294.261°K

Thus, the temperature can be converted by using the conversion relationship.

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The magnitude of the displacement vector of the bee will be 2 km. Because the distance between the endpoints is 2km.

A displacement is a vector in engineering and mechanics that has a length equal to the smallest distance between a point P's initial and final positions. It is a vector quantity. The SI unit of the displacement is the meter.

A honeybee leaves the hive and travels a total distance of 2 km before returning to the hive.

The bee's displacement vector will be 2 kilometers in length. Mostly due to the 2 kilometers between the terminals.

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The velocity of electron accelerated from rest through a potential difference of 2500 V will be 2.9654848 × 10⁷ m/s.

We have an electron accelerated from rest through a potential difference of 2500 V.

We have to determine its speed.

The Kinetic energy of electron when accelerated through a potential difference of V volts is -

E = eV

According to the question -

Applied Potential Difference = V = 2500 volts

The Kinetic Energy of electron = K[E] = 1.6 x 10¹⁹ x 2500.

Therefore -

1/2 mv² = eV

[tex]$v =\sqrt{\frac{2|e|V}{m_{e} }}\\[/tex]

[tex]$v =\sqrt{\frac{2\times 1.6\times 10^{-19}\times 2500}{9.1\times 10^{-31} }}\\[/tex]

v = 29654848 = 2.9654848 × 10⁷ m/s

Hence, the velocity of electron accelerated from rest through a potential difference of 2500 V will be 2.9654848 × 10⁷ m/s.

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Answer:

The standards establish guidelines for English language arts (ELA) as well as for literacy in history/social studies, science, and technical subjects.

Explanation:

Answer:

A

Explanation: