Suzie is riding a merry-go-round that is 3.5 m in diameter. If she travels 12 revolutions in a minute, what is her velocity?

The data displayed the expected relationship between the centripetal force and angular speed of the rotation. Increasing the angular speed led to a proportional increase in the centripetal force, indicating a direct relationship between the two variables.

This relationship was supported by the experimental evidence obtained in the investigation. When the mass was changed while keeping the radius constant, the centripetal force increased as the mass increased.

Similarly, when the radius was changed while keeping the mass constant, the centripetal force increased as the radius increased. These observations demonstrate that both mass and radius have a direct effect on the required centripetal force to maintain a certain angular speed.

In the experiment, the relationship between centripetal force and angular speed was confirmed. As the angular speed increased, the centripetal force also increased proportionally. This relationship was evident through the data collected during the investigation. When the mass was altered while maintaining a constant radius, an increase in mass resulted in a corresponding increase in the required centripetal force. Likewise, when the radius was modified while keeping the mass constant, an increase in radius led to a greater centripetal force.

These experimental observations support the notion that both mass and radius directly influence the amount of force required to achieve a specific angular speed.

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Answer:

Winter Solstice

Answer:

477.75cm^2

Explanation:

Area formula is L x W

27.3cm x 17.5cm = 477.75cm^2

Answer:

477.75

Explanation:

multiply one side by the other

Answer:

\(p = \frac{w}{t} \)

21kj÷0.750

28w

Answer:

6.66km/hr

Explanation:

Formular: V = Δx÷Δt

                    =10÷1.5

                    =6.66km/hr

Answer:

Light is made up of different wavelengths, or colors, and white light is a combination of all of them. When a ray of white sunlight hits a patch of beach ball, the paint absorbs most of the wavelengths. It reflects the rest. For example, if the patch is blue, it reflects the blue wavelengths and absorbs all the others.

We see different wavelengths of light as different colors because they are associated to different wavelength, which activates different cells in the retina.

The moon pulls each kilogram with water in the Kamali River with a force of 5.19 x 10-5 N, or strength or energy used or brought to bear.

The term "force" has a clear definition in science. It is quite acceptable to refer to a force of this level as a push or perhaps a pull. An object does not "have in it" or "contain" a force. One thing is subject to a force from another. There is no distinction between living and non-living things in the concept of a force.

r3 = 105 kilometers x 10 m 3 x 108m

1 kmF=G.M.mp2

6.67 x 10-11 N kg 2. m2 X 7 × 1022 kg X 1 kg\s(3 x 108 m) (3 x 108 m) 2\s5.19 x 10-5 N

A push that has the potential to accelerate something is called a force. A physical push could be used to move a large furniture item around a room. It might be less concrete, like depressing a gas pedal in such a car. J

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Kieran had a greater average speed than Jevon. Let us go into more detail in the explanation below. To compare the average speeds of Kieran and Jevon, we need to find out the speed of each person.

We can use the formula speed = distance/time. Kieran ran 8 laps in 18 minutes, which means he ran 8/18 = 0.44 laps per minute. To find out Kieran's speed, we need to multiply this by the length of one lap. If we assume that the length of one lap is 400 meters, then Kieran's speed is:0.44 laps per minute × 400 meters per lap = 176 meters per minute Jevon ran 6 laps of the track, but we don't know how long it took him.

Therefore, we can't calculate his speed directly. However, we can still compare his speed to Kieran's by using ratios. If we assume that Jevon ran the same length of track as Kieran, then we can write the following equation: Kieran's speed/Jevon's speed = Jevon's time/Kieran's time.

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The phenomenon in hearing that is analogous to spatial frequency channels in vision is critical bands. Hence, the correct option is A: Critical bands.

Critical bands are regions of the audible frequency range in which a complex sound is divided into individual, discrete frequency bands by the human auditory system.

For instance, when different frequencies in a complex sound, such as a musical instrument or a human voice, are picked up by the ear, they are sent to the brain via various channels that respond to specific frequencies.

These channels are referred to as critical bands. The frequency range of these bands varies depending on the loudness of the sound.

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For Question 6:

The formula for momentum to express the conservation of momentum of two objects in a collision is:

m1 • v1 + m2 • v2 = m1 • v1' + m2 • v2'

m1 and m2 are the masses so

63v1 + 55v2 = 63v1' + 55v2'

v1 and v2 represent the velocities before the collision, so

(63)(0) + (55)(0) = 63v1' + 55v2'

v1' and v2' represent the velocities after the collision, so

(63)(0) + (55)(0) = (63)(3.3) + (55)v2' <-- We're looking for v2'

0 + 0 = 207.9 + 55v2'

-207.9 = 55v2'

-3.78 m/s = v2'

The answer is negative because the 55kg skater is moving to the left.

For Question 7:

The formula for momentum is p = m • v

so we have:

3.9 = .15v

26 m/s = v

A star is 230 light years away. the light we see tonight from that star left it

Instead of time, a light-year counts distance (as the name might imply). One light-year, or roughly 6 trillion miles, is the distance a light beam travels in one year on Earth (9.7 trillion kilometers).

Since light takes around 230 years to travel the distance from the star to us, the light we see tonight departed that star 230 years ago.

Because of this, astronomers frequently discuss the "lookback time" when seeing far-off celestial objects. The older the light we witness from an object, the further away it is, and the further back in time we can see.

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1. The time taken to discharge to 2 V is 2×10⁻⁹ s

2. The time taken to discharge to 1 V is 5×10⁻¹⁰ s

The energy stored in a capacitor is given by

E = ½CV²

But

E = Pt

Thus,

Pt = ½CV²

Where

With the formula (Pt = ½CV²), we can determine the time in each case. Detail below:

Data obtained from the question include:

Pt = ½CV²

100 × t = ½ × 1×10⁻⁷ × 2²

Divide both sides by 100

t = (½ × 1×10⁻⁷ × 2²) / 100

t = 2×10⁻⁹ s

Thus, the time required to discharge to 2 V is 2×10⁻⁹ s

Data obtained from the question include:

Pt = ½CV²

100 × t = ½ × 1×10⁻⁷ × 1²

Divide both sides by 100

t = (½ × 1×10⁻⁷ × 1²) / 100

t = 5×10⁻¹⁰ s

Thus, the time required to discharge to 1 V is 5×10⁻¹⁰ s

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Answer:

F = 4117.64

Explanation:

First, we will calculate the acceleration of the hand, by using the third equation of motion:

\(2as = v_f^2 - v_i^2\\\)

where,

a = acceleration = ?

s = distance covered = compression = 8.5 cm = 0.085 m

vf = final speed = 0 m/s

vi = iniial speed = 10 m/s

Therefore,

\(2a(0.085\ m) = (0\ m/s)^2-(10\ m/s)^2\\a = - 588.23\ m/s^2\)

negative sign hows deceleration.

Now, we will calculate the force exerted by the hand:

\(F = ma = (7\ kg)(588.23\ m/s^2)\\\)

F = 4117.64 N

Answer:

I think deposition of C is the oldest deposit

Explanation:

i dont know

The air you feel next to Earth's surface in the shade is heated by two main factors: indirect solar radiation and redirected solar radiation.

Indirect solar radiation refers to the process by which sunlight is absorbed by the Earth's surface and then re-emitted as heat. When the sun's rays reach the Earth, some of the energy is absorbed by buildings, pavement, and other objects. As these objects heat up, they release the absorbed energy as heat, which warms the surrounding air. This is why the air feels warm when you walk around the ASU Campus in the shade.

Redirected solar radiation also plays a role in heating the air near the Earth's surface. This occurs when sunlight is scattered or reflected by the atmosphere, clouds, or nearby objects, and then reaches the shaded areas. The redirected solar radiation contributes to the overall heating of the air, making it feel warm.

In conclusion, the air you feel next to Earth's surface in the shade is heated by indirect solar radiation, as the absorbed energy from the sun is released as heat, and redirected solar radiation, as sunlight is scattered or reflected and contributes to the warming of the air.

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1) The main idea and general support of the idea

2)  Why did Leonard decide not to go to lecture

3) Exclamation point

4) Single quotation marks

5) My appointment is scheduled for Monday , July 4.

6) She couldn't believe it; she'd forgotten the cake

7) She gathered all of her ingredients to make a smoothie strawberries blueberries , bananas , and yogurt .

8) Research

9) It makes it feel as if you're shouting at the reader

10) No , because it is a parenthetical element

Punctuation marks are symbols used in writing to clarify meaning and to indicate the structure and organization of written language. There are several different punctuation marks commonly used in English.

Period (.) - used to mark the end of a sentence.

Comma (,) - used to separate items in a list, or to separate clauses in a sentence.

Semicolon (;) - used to separate two independent clauses in a sentence.

Colon (:) - used to introduce a list, explanation, or quotation.

Question mark (?) - used to indicate a question.

Exclamation mark (!) - used to indicate strong emotion or emphasis.

Quotation marks (" ") - used to indicate direct speech or to enclose a quotation.

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While there is no direct relationship between speed and thinking distance, higher speeds can result in longer thinking distances due to the increased reaction time needed by the driver.

The relationship between speed and thinking distance is not a direct one, as thinking distance is primarily influenced by the driver's reaction time rather than the actual speed of the vehicle. Thinking distance refers to the distance traveled by a vehicle during the driver's reaction time after perceiving a hazard.

However, there is an indirect relationship between speed and thinking distance in the sense that higher speeds generally result in longer thinking distances. When a vehicle is traveling at a higher speed, the driver needs more time to process information, make decisions, and react to potential hazards. Therefore, a higher speed can lead to a longer thinking distance.

It is important to note that thinking distance is just one component of the total stopping distance, which also includes braking distance. Braking distance is directly influenced by the speed of the vehicle. Higher speeds require longer braking distances to bring the vehicle to a stop.

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The true azimuth of the AB alignment is 91º 52' (east of north), the magnetic azimuth is 100º 22' (east of north), and the grid azimuth is 108º 52' (east of north).

To find the true azimuth, magnetic azimuth, and grid azimuth of the AB alignment, we need to consider the magnetic declination. The magnetic declination indicates the angle between true north and magnetic north at a specific location. In this case, the magnetic declination is 8º 30' E, which means that the magnetic north is 8º 30' east of the true north.

To calculate the true azimuth, we subtract the magnetic declination from the grid azimuth. The grid azimuth is given as 100º 22', so subtracting the magnetic declination of 8º 30' E gives us a true azimuth of 91º 52' (east of north).

The magnetic azimuth remains the same as the grid azimuth, which is 100º 22' (east of north).

The grid azimuth is calculated by adding the magnetic declination to the true azimuth. Since the magnetic declination is east, we add it to the true azimuth. Adding 8º 30' E to the true azimuth of 91º 52' gives us a grid azimuth of 108º 52' (east of north).

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Answer:

6

Explanation:

because the numbers before the decimal point are whole numbers so that would mean the 4 & 0 before the points the ones and tens place. and anything behind a decimal goes in order as usual ones,tens,hundredths, thousandths, ten thousandths, and so on. so that what makes the 6 be in the hundredths place.

Answer:

False

Explanation:

You get more kinetic energy the more the particles and less kinetic energy with less particles

Answer:

The number of freely moving neutrons decreases over time.

Explanation:

During a fission reaction, the total number of protons remains the same. In other words, the charge is conserved. It is the neutron number that decreases during a fission reaction.

Therefore, 'The number of freely moving neutrons decreases over time' is the correct answer.

Answer:

Interpersonal skills

Explanation:

Answer:

The right answer is interpersonal skills

Explanation:

give the other person brainliest they deserve it

Answer:

The top producing states are Texas, Oklahoma, New Mexico, Wyoming, and Louisiana, which produce more than 50 percent of U.S. natural gas

The top states in USA that is likely to be a large producer of natural gas is Texas. The 24 .6 % of the overall production of natural gas is in Texas.

Natural gas is a type of fossil fuels. It is highly flammable hydrocarbon primarily consists of methane gas. In 2016, natural gas accounted for 33 percent of all energy produced in the US, making it the greatest energy source in the nation.

Since July 2015, natural gas has become the main fuel used to generate electricity in the US. With an average wellhead value of $2.66 per thousand cubic feet and a total wellhead value of $67.3 billion, the United States produced 25.3 trillion cubic feet of marketed natural gas in 2012.

The top 5 natural gas producing states in US are Texas, Pennsylvania, Louisiana, West Virginia, Oklahoma. In which the top one is Texas.

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The potential energy of the ball at the highest point is 100.98J

The kinetic energy of the ball at the time of throwing can be calculated using the formula KE = 1/2mv^2, where m is the mass of the ball and v is its velocity. In this case, the mass of the ball is 2kg and the velocity at the time of throwing is 10m/s. Substituting these values into the formula gives:

KE = 1/2 x 2kg x (10m/s)^2

KE = 100J

Therefore, the kinetic energy of the ball at the time of throwing is 100J.

At the highest point of the ball's trajectory, it reaches a point of zero velocity. At this point, all of the kinetic energy of the ball has been converted into potential energy due to its position in the Earth's gravitational field. The potential energy of an object at a height h above the ground can be calculated using the formula PE = mgh, where m is the mass of the object, g is the acceleration due to gravity (approximately 9.8 m/s^2 near the surface of the Earth), and h is the height of the object above the ground.

At the highest point, the velocity of the ball is zero and its height is at its maximum. Assuming the initial height of the ball was 0, the height of the ball at the highest point can be calculated using the formula h = v^2/2g, where v is the initial velocity of the ball. In this case, the initial velocity is 10m/s, so the height of the ball at the highest point is:

h = (10m/s)^2/2 x 9.8m/s^2

h = 5.1m

Substituting the mass of the ball and the height into the potential energy formula gives:

PE = 2kg x 9.8m/s^2 x 5.1m

PE = 100.98J

Therefore, the potential energy of the ball at the highest point is approximately 101J.

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Therefore, the velocity of the ball just before it hits the ground is approximately 22.1 m/s. Therefore, the closest value to this option is 21.0 m/s.

When a ball of mass 0.25 kg falls from a height of 50 m, we can calculate its velocity using the principle of conservation of energy. According to this principle, the sum of the potential and kinetic energy of an object remains constant.

Therefore, we can equate the potential energy at the initial height to the kinetic energy at the final velocity.Let's calculate the potential energy of the ball at the initial height

:Eg = mghEg = 0.25 kg × 9.81 m/s² × 50 m

Eg = 122.625 J

This is the energy that the ball has due to its position. As it falls, this energy is transformed into kinetic energy. At the moment the ball reaches the ground, all the potential energy has been transformed into kinetic energy

.Ek = 1/2mv²Ek = Egv² = 2Ek/mv = √(2Ek/m)

Let's plug in the values we obtained:Eg = 122.625 Jm = 0.25 kgv = √(2Ek/m)

We obtain:v = √(2 × 122.625 J / 0.25 kg)v = √(245.25 J/kg)v = 22.116 m/s

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Self-ignition, also known as pre-ignition, occurs in an internal combustion engine when the fuel-air mixture in the combustion chamber ignites before the spark plug fires.

One way to avoid pre-ignition is to limit the compression ratio of the engine, as a higher compression ratio can lead to higher temperatures in the combustion chamber.

The ideal gas law states that PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature.

The compression ratio of an engine is the ratio of the volume of the combustion chamber when the piston is at the bottom of its stroke (the "swept volume") to the volume of the combustion chamber when the piston is at the top of its stroke (the "clearance volume").

Given that the temperature at which self-ignition would occur using a certain brand of petrol is 350°C, and assuming that the ideal gas law applies, we can calculate the highest compression ratio that may be used to avoid pre-ignition.

To do this, we need to know the initial temperature and pressure in the combustion chamber, as well as the final temperature and pressure after compression. We can then use the ideal gas law to calculate the compression ratio.

In conclusion, based on the information provided, it is possible to calculate the highest compression ratio that may be used to avoid pre-ignition in an engine using the ideal gas law. However, more specific information such as the initial temperature and pressure and the specific brand of petrol is needed for a more accurate calculation.

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The acceleration that the same net force would give to an 18-kg tool is 13.3 m/s² (meters per second squared).

According to Newton's second law of motion, the acceleration of an object is directly proportional to the net force applied to it and inversely proportional to its mass.

Mathematically, this can be expressed as F = ma, where F is the net force, m is the mass, and a is the acceleration.

In the given scenario, the net force is accelerating a 4.8-kg tool at 40 m/s². To find the acceleration for an 18-kg tool, we can rearrange the equation to solve for a:

a = F/m

Substituting the values, we have:

a = (F)/(18 kg) = (40 m/s²)/(18 kg) = 2.22 m/s²

Therefore, the net force would give an acceleration of 2.22 m/s² to an 18-kg tool.

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