If = (10.0+ 0.1) cm and , = (9.0t 0.1) cm, find
their sum, difference and error in each.

The ranking from greatest to least at each point, without specific context or values, would be: Momentum - Greatest, Kinetic Energy - Greatest, Potential Energy - Greatest.

When considering the three points: momentum, kinetic energy (KE), and potential energy (PE), and without specific context or values, the ranking from greatest to least for each point would be as follows:

a) Momentum: Greatest, Middle, Least.

b) Kinetic Energy: Greatest, Middle, Least.

c) Potential Energy: Greatest, Middle, Least.

It's important to note that these rankings are based on a general understanding and can vary depending on the specific situation or system being considered.

The precise values and order of these quantities depend on factors such as mass, velocity, height, and other relevant variables, which may alter their relative magnitudes and rankings in a given scenario.

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When using the spectroscope to view the spectra of the discharge lamps, what observations are recorded by the wavelengths and colors of all bands.

The spectra of discharge lamp from spectroscope shows the different electromagnetic spectrum, they include the following;

The electromagnetic spectrum consists of radiations of different wavelengths which are indicated by different color bands.

Thus, when using the spectroscope to view the spectra of the discharge lamps, what observations are recorded by the wavelengths and colors of all bands.

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To determine if your converter dolly is equipped with antilock brakes (ABS), you can check for the presence of certain indicators or features:

1. Look for ABS Warning Light: Most vehicles with ABS have a warning light on the dashboard that illuminates when the ABS system is engaged or when there is a malfunction. Check if your converter dolly has an ABS warning light on the dashboard or instrument panel.

2. Inspect the Brake Components: Check the converter dolly's brake components, such as the wheel assemblies or brake control module, for any visible ABS-related components. Look for sensors, wiring harnesses, or additional valves that are commonly associated with ABS systems.

3. Review Manufacturer Specifications: Consult the manufacturer's documentation or user manual for your converter dolly. It should provide information about the features and specifications of the dolly, including whether it is equipped with ABS. Look for specific mentions of ABS or antilock braking system in the documentation.

4. Consult with the Manufacturer or Dealer: If you are still unsure, contact the manufacturer or dealer from whom you acquired the converter dolly. They should be able to provide information about the dolly's features, including whether it is equipped with ABS.

It's important to note that ABS is a safety feature that helps prevent wheel lock-up and maintain control during braking. If your converter dolly is equipped with ABS, it can enhance braking performance and stability, especially in slippery or emergency situations.

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Answer:

Equinox.

Explanation:

It is Equinox because Equinox is defined as the time when the sun rays passes through the Earth's equator. This happen twice in the year around 21 March and 23 September. It is the time when the center of the sun is directly above the equator.

This normally occur when the Earth axis is either tilted toward or away from the sun which lead to equal amount of daylight and darkness.

Answer:

9

Explanation:

The maximum resolution of the eye is determined by the diameter of the pupil and the size of the retinal cells. The size of the retinal cells limits the size of an object at the near point of the eye to a height of approximately 50.0 μm.

The maximum resolution of the eye is affected by two factors: the diffraction effect caused by the diameter of the pupil and the size of the retinal cells. The diameter of the pupil determines how much light enters the eye and affects the sharpness of the image formed on the retina. The smaller the pupil, the greater the diffraction effect, resulting in a decrease in resolution.

However, even if the pupil were infinitely small, the resolution would still be limited by the size of the retinal cells. The retinal cells, known as cones and rods, are responsible for capturing and processing visual information. The diameter of these cells is approximately 5.00 μm. When an object is viewed at the near point of the eye (usually taken as 25.0 cm), the size of the retinal cells limits the smallest discernible details of the object.

Therefore, due to the size of the retinal cells, objects at the near point of the eye can only be resolved up to a height of about 50.0 μm. This limitation in resolution is based on the physical constraints of the eye's anatomy and the properties of the retinal cells.

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The maximum resolution of the eye is determined by the diameter of the pupil and the size of the retinal cells. The size of the retinal cells limits the size of an object at the near point of the eye to a height of approximately 50.0 μm.

The maximum resolution of the eye is affected by two factors: the diffraction effect caused by the diameter of the pupil and the size of the retinal cells. The diameter of the pupil determines how much light enters the eye and affects the sharpness of the image formed on the retina. The smaller the pupil, the greater the diffraction effect, resulting in a decrease in resolution.

However, even if the pupil were infinitely small, the resolution would still be limited by the size of the retinal cells. The retinal cells, known as cones and , are responsible for capturing and processing visual information. The diameter of these cells is approximately 5.00 μm. When an object is viewed at the near point of the eye (usually taken as 25.0 cm), the size of the retinal cells limits the smallest discernible details of the object.

Therefore, due to the size of the r

etinal cells, objects at the near point of the eye can only be resolved up to a height of about 50.0 μm. This limitation in resolution is based on the physical constraints of the eye's anatomy and the properties of the retinal cells.

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Answer:

The loudness of sound is most closely related to

The pressure within a sound wave determines the loudness of the sound. In this lesson, learn how to calculate the sound pressure level of a sound wave and what this measurement represents.

Explanation:

When a truck comes to a stop by crashing into a haystack or a brick wall, the stopping force is greater with the brick wall. Stopping force is determined by the amount of friction a surface provides.

Friction is a force that acts between two objects when they come into contact with each other. It is an important force that affects our everyday life. Friction can be both beneficial and detrimental. It is beneficial in that it allows us to walk, run, drive, and even write without slipping or sliding. It also helps us to stop when we need to. On the other hand, friction can be detrimental when it causes machines to wear down, resulting in energy being wasted. Friction can also cause heat, noise, and wear on the surfaces of the two objects.

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If the table says that the atomic number of the element is 12 and the mass number of the element is 40, then the element has 12 protons and 28 neutrons, therefore the correct answer is option C.

It is the sum of the mass of all the protons as well as the neutrons that are present inside the nucleus.

The addition of protons and neutrons represents the mass number of any element.

The mass number of any element is the sum of the number of protons and the number of neutrons, therefore the correct answer is option C.

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A.brass is heavier than water.

In order to determine the number of particles of methane, use the following expression:

number of particles = (mass /molar mass ) x Avogadro's number

in this case, you have:

molar mass = 16.03 grams/mole

mass = 120 grams

Avogadro's number = 6.02*10²³ particles/mol

replace the previos values of the parameters into the formula for the number of particles:

number of particles=(120 grams/ 16.03 grams/ mol)x(6.02*10²³particles/mol)

= (7.46 mol) x (6.02*10²³ particles/mol)

= 4.50*10²⁴ particles

Hence, the number of particles of methane, in 120 grams, is 4.50*10²⁴

After solving the equation the ball rebound is θ2 = 18.88° is the correct answer.

What is Potential energy?

Potential energy is the energy held by an object due to its position or composition. It is the energy of an object that is stored and waiting to be released. This energy is due to the force of gravity, electric charge, and/or the force of a spring. Potential energy is also known as “stored energy”. It is measured in units of joules (J). Potential energy can be converted into kinetic energy, which is the energy of motion. Examples of potential energy include the energy stored in a stretched rubber band, the energy stored in a roller coaster car at the top of the hill, and the energy stored in a boulder at the top of a mountain. Potential energy can also be found in chemical bonds and nuclear energy.

Here Potential energy will convert to Kinetic energy,

P.E. (initial) + K.E. (initial) = P.E. (Final) + K.E. (Final)

 M g L (1 – Cos 45) + 0 = 0 + ½ mv2

 v2 = 2gL (1 – 1/0.414)

 v = (2* 9.8* 1)0.5 * (1 – 1/0.414)0.5

 v = 2.396 m/s

Thus, when ball strikes its velocity is 2.396 m/s.

From conservation of momentum

M1v1 + m2v2 = m1V1 + m2V2

0.2*2.396 = 0.2 V1 + 0.5 V2

Here, since no information is given for collision.

I am considering it to be elastic,

U1 – U2 = V2 – V1

U1 = V2 -V1

V2 – V1 = 2.396

0.2V1 + 0.5V2 = 0.4792

V1 = -1.027 m/s  ;     V2 = 1.369 m/s

i.e.,

½ m1v12 = m g L (1-Cos θ2)         ---- Energy Conversion

V12 = 9.8 * 2 * 1 (1- Cos θ2)

1.055 = 19.6 (1 - Cos θ2)

Cos θ2 = 0.9462

θ2 = 18.88 °

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Answer: 10cm/12cm

Explanation A fly is sitting at the midpoint of a wooden chord of a circular wheel. The wheel has a radius of  and the chord has a length of   a How far from the hub (center) is the fly

The relation for the length of road at a given temperature, L at t°c = L0(1 + αΔT)

When a rod is heated from 0°c to a temperature t°c, its length increases which is given by the following formula

ΔL/L0 = αΔT

Where ΔL = change in length = L- L0

Thus,

L-L0/L0 = αΔT

⇒ L-L-L0 = L0(αΔT)

⇒ L = L0 + L0(αΔT)

Or L = L0(1 + αΔT)

Here L is the length at temperature  t°c

L0 is the length at 0°c

α = coefficient of thermal expansion

ΔT = change in temperature

Thus, the relation for the length of road at a given temperature, L at t°c = L0(1 + αΔT).

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Answer:  Mass

Explanation:

Answer:

The answer to this question would be 3.6 m/s

Answer:

10 hours to get to Paris

If you double a blackbody's temperature, its radiated power will increase by a factor of 16.

According to Stefan-Boltzmann's law, the radiated power of a blackbody is proportional to the fourth power of its temperature (T^4). Therefore, if you double a blackbody's temperature, its radiated power will increase by a factor of 2⁴ = 16. Doubling the temperature results in an increase in radiated power by a factor of 16 because the power is directly proportional to the fourth power of the temperature. This relationship highlights the significant impact that temperature has on the amount of radiation emitted by a blackbody.

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In a constant-pressure process, ΔH = 0. I conclude about ΔH = 0, qp = ΔE and w = 0. The correct option is 2.

In a constant-pressure process, ΔH represents the change in enthalpy, which is the heat exchanged at constant pressure. When ΔH = 0, it means that there is no heat exchange with the surroundings.

According to the First Law of Thermodynamics, the change in internal energy (ΔE) is related to heat (q) and work (w) as follows:

ΔE = q - w

If ΔH = 0, it implies that there is no heat exchange (q = 0) at constant pressure. Therefore, we have:

ΔE = q - w

ΔE = 0 - w

ΔE = -w

This means that the change in internal energy (ΔE) is equal to the negative of the work done (w). Consequently, if ΔH = 0, we can conclude that qp (heat at constant pressure) is equal to ΔE, and the work done (w) is zero.

Therefore the correct option is 2

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Answer: D. Lever

Explanation: The biceps muscle provides the effort (force) and bends the forearm against the weight of the forearm and any weight that the hand might be holding. Many muscle and bone combinations in our bodies are of the Class 3 lever type.

Answer:

proton and neutron respectively.

Explanation:

Atoms of the same element will always have the same number of proton but will have different numbers of neutron if their mass numbers are different.

Household lightbulbs don't emit radio, microwave, X-rays or gamma rays, and only a smidgen of ultraviolet.

The sun emits everything on the list.

The Sun emits many types of  light , the ultraviolet, X-ray, and even gamma-ray, radio and infrared parts of the spectrum.

The light bulb emits very small amounts of UV light.

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Energy is conserved by energy being transformed through one form or different forms.

Energy can change from one form to another, but cannot be destroyed.

Energy cannot be created or destroyed.

Similar to this, according to the rule of conservation of energy, energy cannot be generated or destroyed. For instance, kinetic energy is converted to potential energy when a toy vehicle is rolled down a ramp and collides with a wall.

There are three fundamental quantities in mechanics that are preserved. They are power, forward motion, and angular momentum. It can come as a surprise to you that energy is a conserved quantity if you've read instances in prior pages, such the kinetic energy of charging elephants.

Solar heat energy from the sun is used by us.

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Answer:

calla gringo de mierda

Explanation:

4.266 m is the radius of the circular path the electron follows

Electron's speed = 7.50 × 10⁶ m/s

Magnetic field, B = 1 × 10⁻⁵ T

Electron's mass. m = 9.11 × 10⁻³¹

Charge of electron, q = 1.6 × 10⁻¹⁹

We know the relation of radius of curvature, = 4.266 m

Every point on a circle has a curvature that is equal to the reciprocal of the radius; for other curves (and straight lines, which can be thought of as circles of infinite radius), the curvature is equal to the reciprocal of the radius of the circle that at that point most closely approximates the curve.

The curvature's reciprocal, R, is the radius of curvature in differential geometry. It is equal to the radius of the circular arc that, at that moment, most closely resembles the curve for a curve. The radius of curvature for surfaces is the diameter of a circle that, individually or in combination, best fits a normal section.

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When a solid turns into a liquid, the particles gain energy and vibrate more quickly.

As heat is added to the solid, the particles gain energy and start moving more vigorously. Eventually, the energy overcomes the intermolecular forces holding the particles in place, causing them to break free from their fixed positions.

As a result, the solid's structure breaks down, and the particles become less organized, allowing them to flow freely past one another. This change from a solid to a liquid is known as melting, and it occurs at the melting point of the substance.When a liquid turns into a gas, the particles experience a process called vaporization or evaporation.

In a liquid, the particles are loosely packed and move more freely compared to a solid. As heat is applied to the liquid, the particles gain even more energy and move faster. Some particles near the surface gain enough energy to overcome the attractive forces of neighboring particles and escape into the surrounding space as gas molecules.

This transition from a liquid to a gas occurs at the boiling point of the substance. The remaining liquid continues to evaporate until all the liquid has been converted into gas or until equilibrium is reached.In both processes, the arrangement and motion of the particles change significantly.

The transition from a solid to a liquid involves a breakdown of the fixed positions of the particles, while the transition from a liquid to a gas involves the escape of particles from the liquid's surface.

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Answer:

1. Installing solar panels on the roof. This is an example of renewable energy, and solar panels help provide electricity for a home.

2. Using LED lights instead of traditional lightbulbs. The modern LED lights use much less electricity and function up to 90% more efficiently than the traditional lightbulbs.

3. Using rain barrels to collect water from the roof. Installing rain barrels to collect rainwater to water your plants and garden is a great way to save water and cut down on your water bill.

Hope this helps! :)

We will have the following:

So, the nergy is 2.3 J.