if we find that there is a linear correlation between the concentration of carbon dioxide in our atmosphere and the global temperature, does that indicate that changes i nteh concentration of carbon dioxide chagnes in the global

Answer:We have seasons because the earth is tilted (wonky) as it makes its yearly journey around the sun. The Earth's axis is tilted at an angle of 23.5 degrees. This means that the Earth is always "pointing" to one side as it goes around the Sun.

Explanation:

got this from the internet

The new angular speed that would maintain the same kinetic energy with a reduced mass of 75% is approximately 346.43 rpm.

I' = (1/12) * 96 kg * (1.97 m)² = 16.63 kg m²

Setting the kinetic energies equal to each other, we have:

(1/2) * I * w² = (1/2) * I' * w'²

Solving for w', we get:

w' = w * √(I / I') = w * √(22.18 kg m² / 16.63 kg m²) = 1.18 * w

where w is the original angular speed and w' is the new angular speed.

Substituting w = 293.50 rad/s, we get:

w' = 1.18 * 293.50 rad/s = 346.43 rpm

Kinetic energy is a form of energy that an object possesses due to its motion. The amount of kinetic energy an object has depends on its mass and velocity, with the formula for kinetic energy being 1/2 * mass * velocity^2. This means that the greater the mass or velocity of an object, the greater its kinetic energy will be.

When an object is in motion, its kinetic energy can be transformed into other forms of energy, such as thermal energy or potential energy. For example, when a ball is thrown, its kinetic energy is transferred to the air molecules around it, creating heat, and to the ball's potential energy as it rises in the air. When the ball lands and comes to a stop, its kinetic energy is fully transformed into other forms of energy.

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Answer: The answer in scientific notation with the unit included is (1 × 10^-3m.)

Explanation:

In the field of physics, when working with too large or too small numbers, such can be expressed with the use of scientific notation. This helps to eliminate huge or ambiguous numbers with significant units. It is written is such a way that the first number is greater than or equal to 1 and less than 10 which is then multiplied by a factor of 10.

Units are symbols that are used to represent a measurement For example the unit of meters is (m).

Converting 1mm to m:

1000millimeters = 1meter

1 millimetre = X

Making X the subject of formula,

X = 1 ×1 /1000

X = 0.001m

Therefore expressing X in scientific notation is

1 × 10^-3meter (m)

OPTION  B IS THE ANSWER

Answer:

The real answer is A 2023 answer -_-

Explanation:

The true statement about the input and output forces include the following:

This is defined as an influence which can cause an object with mass to change its velocity.

For a screw to be inserted into a block of wood, the input force on the screw has to be greater than the output force as a result of both forces being in opposite direction to one another.

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An example of physical weathering is the wind that is blowing off bits of a rock over time. This results into breaking down of large rocks. Thus, the correct option is C.

Physical weathering is also called as mechanical weathering. It is a process which causes the disintegration of large rocks, minerals, and large soil particles without any chemical change. The primary process in physical weathering is the abrasion, it is the process by which clasts and other particles are reduced in size and mix up with soil.

Physical weathering occurs when large rocks are broken down through mechanical processes such as wind blowing, water, gravitational force, freeze-thaw cycles, or the growth of roots into the rocks.

Therefore, the correct option is C.

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Answer:

8 N

Explanation:

work=force*distance

force=work/distance

=56/7

=8

Explanation:

Vi>Vf

so the initial is greater than from the final

hope it helps u have a great day

Answer:

240 J

Explanation:

240 N will compress the spring    2 meters     ( 240 N / 120 N/m = 2 m)

EPE = 1/2 k x^2 = 1/2 (120 N/m) ( 2 m)^2  =240 J

The elastic potential energy stored in the spring is 240 joule.

Potential energy is a form of stored energy that is dependent on the relationship between different system components. When a spring is compressed or stretched, its potential energy increases. If a steel ball is raised above the ground as opposed to falling to the ground, it has more potential energy. It is capable of performing more work when raised.

Potential energy is a characteristic of systems rather than of particular bodies or particles; for instance, the system made up of Earth and the elevated ball has more potential energy as they become further apart.

Force constant: k = 120N/m.

Applied force: F = 240 N.

Hence,  compression in length = F/k = 240/120 m = 2 m.

The elastic potential energy stored in the spring = kx²/2

= 120 × 2²/2 joule

= 240 joule.

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The magnetic force between two wires is 0.052 N which is  attract each other.

We need to know about magnetic force on a current-carrying wire formula to solve this problem. The magnetic force on two wires with same direction of current is

F = μ₀ . I1 . I2 . L / ( 2π . r )

where μ₀ is vacuum permeability (4π×10‾⁷ H/m) F is the magnetic force, I is current, L is the length of wire, r is distance of 2 wires.

From the question above, we know that:

L = 25 m

r = 6 cm

I1 = I2 = 25 A

By substituting the parameter, we get

F = μ₀ . I1 . I2 . L / ( 2π . r )

F = 4π×10‾⁷ . 25 . 25 . 25 / (2π . 0.06)

F = 0.052 N

Hence, the force between two wires is 0.052 N which is  attract each other.

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a. Star A

b. Can't tell

QUESTION 3) a. Can't tell

QUESTION 4) a. Star A

QUESTION 5) b. Star B

QUESTION 6 )The brightest set of stars would best represent the relative distribution in a sample of all stars in our Galaxy.

a) In scenario a, where Star A is red and Star B is blue, we can tell that Star A is more luminous. Generally, blue stars are hotter and more luminous than red stars. Therefore, Star B being blue implies it has a higher luminosity compared to Star A.

b) In scenario b, no information is provided about the colors or sizes of Star A and Star B. Without this information, we cannot determine which star is more luminous.

3) In scenario a, where Star A and Star B are the same color but Star A is larger than Star B, we cannot determine which star is more luminous based solely on their sizes and colors. Luminosity depends on factors such as surface temperature and stellar composition, which are not provided

4) In scenario a, where Star A is larger than Star B and Star A is blue while Star B is red, we can tell that Star A is more luminous. As mentioned before, blue stars are generally hotter and more luminous than red stars. Additionally, the larger size of Star A suggests it has a higher luminosity.

5) In scenario b, where Star A is larger than Star B and Star A is red while Star B is blue, we can tell that Star B is more luminous. Blue stars are hotter and more luminous than red stars, so Star B being blue implies it has a higher luminosity. Additionally, the larger size of Star A does not necessarily mean it is more luminous in this case.

The brightest set of stars would best represent the relative distribution in a sample of all stars in our Galaxy.

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In order to calculate the direction of the vector, first let's draw its components:

since the horizontal component is positive and the vertical component is negative, the vector is pointing to the 4th quadrant.

To calculate the angle, we can use the arc tangent as follows:

Rounding to nearest tenth, the direction is -26.6°.

Explanation:

Cultural Ecosystem Services (CES) are the non-material benefits people obtain from nature. They include recreation, aesthetic enjoyment, physical and mental health benefits and spiritual experiences. They contribute to a sense of place, foster social cohesion and are essential for human health and well-being.

Answer:

The value is  \(a = 20.4 \%\)  

Explanation:

From the question we are told that

    The  acceleration due to gravity of the planet is  \(a = 5.40 \ m/s^ 2\)

     The  percentage  volume of the apparatus submerged in the ocean on earth is \(k = 25.0 \%\)

  Generally the buoyant force acting on the apparatus  is equal to the weight of the apparatus

i.e

     \(\rho_s * V_s * g = m * g\)

Hence the mass of the apparatus  is mathematically represented as

           \(m_s = \rho_s * V_s\)

Here  \(\rho_s\) is the  density of the sea water with a value of  \(\rho_s = 1030 \ kg/m^3\)

        \(V_s\) is the volume of the apparatus submerged

So  

          \(m_s = 1030 * 0.25 V\)  

Here V  is the total  volume of the apparatus

=>        \(m_s = 257.5 V \ kg\)  

  Generally at the new planet the mass of the apparatus is mathematically represented as

      \(m_c = \rho_c * V_c\)

Here  \(\rho_c\) is the  density of the glycerin with a value of  \(\rho_c = 1260 \ kg/m^3\)

Gnerally  \(m_s = m_c\)  

So

         \(257.5 V = 1260 * V_c\)

=>      \(V_c = \frac{257.5V }{ 1260 }\)  

=>      \(V_c = 0.204 \ V\)

Hence the percentage volume of the apparatus which is submerged in glycerin at the new planet is  

           \(a = 0.204 * 100 = 20.4 \%\)  

Answer:

Yes

Explanation:

Rubbing a balloon with wool cloth will create static electricity charges. If you place small pieces of tissue paper near the balloon in Picture 2, they would probably stick to the balloon.

The option that summarizes the production of energy at Hoover Dam is A. Mechanical Energy of the flowing water is transformed into electrical energy by rotating coils in a magnetic field, producing an alternating current.

The Hoover Dam is a hydroelectric dam, which means it generates electricity by harnessing the mechanical energy of flowing water. The dam has a system of turbines that are turned by the flow of water, which then rotates coils of wire in a magnetic field.

This interaction produces an alternating current (AC) electrical signal, which is then transformed into usable electrical energy that can be distributed to power homes and businesses.

In this way, Hoover Dam and other hydroelectric dams generate electricity without producing any greenhouse gas emissions, making them an important source of clean and renewable energy.

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Options for this question are:

The voltage drop across each capacitor is 134 V.

Absent an external voltage source, a capacitor is nothing more than a neutral conductor (before charging). But a capacitor starts to store electric charges when an external voltage is placed across it. Currently, the electric charge on a capacitor is precisely proportional to the voltage across it. A change in charge applied to a capacitor causes a change in the voltage across it. Therefore, the voltage across a capacitor rises as it charges. The voltage across the capacitor becomes constant once the capacitor has fully charged. The capacitor will now start to discharge if we remove the external battery. The capacitor's voltage across it drops as it is being discharged, and after a while, it reaches zero.

Given,

C = 4.00pF          

C₁ = 8.00pF

V = 400 V

C(eq) = 1/ (114 + 118)

        = 2.66667 pF

Q = C * V

Q = 2.66667 * 10⁻¹² F *  400 V

Q₁ = 1.07 nC

Q₂ = 1.07 nC

V = Q/C = 1.07 * 10⁻⁹ C/ 4.00 * 10⁻¹² F

V₁ = 267.0 V

V₂= Q/C

   = 1.07 * 10⁻⁹ C / 8.00 * 10⁻¹² F

V₂ = 133.0 V

Thus, the voltage drop is, V₁ - V₂ = 267.0 - 133.0

Voltage drop = 134 V

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Answer:

speed

Explanation:

Change in velocity, not velocity, is used to calculate the average acceleration. Velocity is displacement over time.

It is defined as the ratio of change in velocity to time. It is given by:

Acceleration= Change in velocity / time

a= u-v / t

where,

u= initial velocity

v= final velocity

t= time

Thus, we can conclude that a change in velocity is used to calculate average acceleration.

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Answer:

Potential energy

u welcome lol

The magnitude of the average velocity of the train is 0.426 m/s.

Average velocity can be defined as the ratio of the total dfistance covered by a body to the total time.

To calculate the average velocity of the of the train, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the magnitude of the average velocity of the train is 0.426 m/s.

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Answer:

11,520N

Explanation

According to Newtons second law

Net force = mass * acceleration

Given

Mass = 2560kg

acceleration = 4.5m/s^2

Substitute the given values into the formula

F = 2560 * 4.5

F = 11,520N

Hence the net force on the elevator is 11,520N

The interaction of an attracting or repulsive force between two charged bodies is referred to as an electric force.

This force is comparable to other forces in that it strikes and affects a specific item, and it is simple to illustrate using Newton's law of motion. One of the forces acting on other bodies is the electric force.

Electric force is the interaction of any two charged bodies that is either repellant or attracting. Similar to any force, Newton's laws of motion describe how it affects the target body and how it does so. The list of additional forces that apply to objects includes the electric force.

The electrostatic force between the two electrons is one of repulsion since electrons are negatively charged and items with like charges repel one another.

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Answer:

Speed

Explanation:

The distance traveled by an object in a unit of time is speed

The statement, "The Voyager 1 space probe can't change its own motion" is correct and true. The Voyager 1 space probe was launched by NASA in 1977, and since then it has traveled over 14 billion miles away from Earth. It's the most distant spacecraft from Earth.

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Using a prism to split white light into its component colors is a classic experimental setup that demonstrates that white light is made up of a range of colors.

One classic experimental setup to demonstrate that white light is made up of different colors of light is the use of a prism. Here are the steps to set up the experiment:

Start with a source of white light, such as a flashlight or a lamp.

Shine the white light onto a prism, which is a triangular-shaped piece of glass or plastic.

The prism will refract or bend the light, splitting it into its different colors, which are the colors of the rainbow (red, orange, yellow, green, blue, indigo, and violet).

Observe the spectrum of colors that are produced on the other side of the prism.

To make the colors more visible, place a white screen or piece of paper behind the prism.

You can also use a spectroscope, which is a tool that separates light into its component wavelengths, to measure the wavelengths of each color in the spectrum.

This experiment shows that white light is not a single color, but is made up of a range of colors.

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Nearsightedness, also known as myopia, is usually correlated with (a) cylindrical lenses or (b) spherical lenses.

(a) Cylindrical lenses: Nearsightedness can be caused by a refractive error where the cornea or lens of the eye has uneven curvature, resulting in the light focusing in front of the retina instead of directly on it. Cylindrical lenses, also known as astigmatism-correcting lenses, are prescribed to correct the uneven curvature and provide clearer vision.

(b) Spherical lenses: In many cases of nearsightedness, the curvature of the cornea or lens causes the light to be focused in front of the retina, resulting in blurred distance vision. Shttps://brainly.com/question/25676535pherical lenses are used to correct this refractive error by altering the path of light entering the eye, helping it to focus directly on the retina.

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Answer:

Gravitational energy

Thermal energy

Mechanical energy

Answer:

solid to gas or gas to liquid

Explanation:

welcome

Answer:

solid to gas or gas to liquid

Explanation:

Edge