Explain the steps of electric power transmission

Answer:

Gingerphobia

Explanation:

His problem might not be just of them being red-heads, it's the women. Romeo cannot stand the sight of women. He might have a certain phobia where he cant stand red on women? Im probably wrong but yeah

Answer:

10m/s

Explanation:

(m1)(v1)+(m2)(v2)= (m1+m2)(v[final])

(700)(30)+(1400)(0)= (700)(v)+(1400)(v)

21000= 2100v

v=10m/s

Answer:

10

Explanation:

Answer:

answer-10 change from one unit to another in the metric system, multiply or divide by multiples of what number?

2

5

10

15

Explanation:

When two objects are rubbed on their surfaces, one gets negatively charged. This polarization causes, the flow of electrons to the positive pole of another object is called the static electricity.

Static electricity is the flow of electrons that occurs due to the temporary polarization of two bodies. When a conducting surface rub on other surface, they gets electrons by frictional force.

These free flow of electrons make them negatively charged. When this negatively charged body comes in contact with a non conducting surface they latter gets polarized by the electrons of negatively charged body.

The positive charges of the nonconducting surface gets attracted to the negative body and the electrons flow from the negatively charged body to the partially polarized positive body. This is called static electricity.

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Answer:

Bacteria

Fungi

Viruses

Parasites

The final speeds of the spheres are 3.47 m/s and 3.08 m/s.

We can use conservation of momentum to solve this problem since there are no external forces acting on the system.

The initial momentum of the system is:

p_initial = m₁ * v₁ + m₂ * v₂

where m₁ and m₂ are the masses of the spheres, and v₁ and v₂ are their initial velocities (4.00 m/s and 0 m/s, respectively).

After the collision, the momentum of the system is:

p_final = m₁ * v1' + m₂ * v₂'

where v₁' and v₂' are the final velocities of the spheres. We also know that the angle between the first sphere's final path and its initial path is 60 degrees, which means that the angle between the two spheres after the collision is 150 degrees (90 + 60).

Using conservation of momentum, we can set the initial and final momenta equal to each other:

m₁ * v₁ + m₂ * v₂ = m₁ * v₁' + m₂ * v₂'

We can also break down the final velocities into their x and y components using trigonometry. Let's define the angle between the first sphere's final path and the x-axis as theta. Now we can use conservation of momentum to solve for the final velocities:

m₁ * v₁ + m₂ * v₂ = m₁ * v₁' * cos(theta) + m₂ * v₂' * cos(150 degrees)

0 = m₁ * v₁' * sin(theta) + m₂ * v₂' * sin(150 degrees)

Solving the first equation for v₂', we get:

v₂' = (m₁ * v₁ + m₂ * v₂ - m₁ * v₁' * cos(theta)) / (m₂ * cos(150 degrees))

Substituting this expression into the second equation and solving for v₁', we get:

v₁' = (m₂ * sin(150 degrees) * v₁ + m₂ * sin(150 degrees) * v₂ + m₁ * sin(theta) * v₁' - m₁ * sin(theta) * m₂ * v₁ * cos(theta) / cos(150 degrees)) / (m₁ * sin(theta))

Plugging in the given values and solving, we get:

v₁' = 3.47 m/s

v₂' = 3.08 m/s

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Answer:B

Explanation:They help you evaluate yourself for your final grade.

a dont make sense, d dont make sense, B or C. B!

Answer:

i do believe you got them all right

good job :)

good luck :)

i hope this helps

have a great day !!

Answer:

._.

Explanation:

Answer:

0.036J

Explanation:

Given parameters:

Spring constant , K  = 92N/m

Compression  = 2.8cm  = 0.028m

Unknown:

Potential energy  = ?

Solution:

To solve this problem;

          P.E  =\(\frac{1}{2}\) K e²

 K is the spring constant

 e is the compression

so;

      P.E = \(\frac{1}{2}\)  x 92 x 0.028²  = 0.036J

Answer:

positive acceleration.

Explanation:

As its slowing down gradually, its positive acceleration. When the ball slows down, its acceleration vector is in the opposite direction of its motion. Therefore positive acceleration.

The Crab Pulsar, also known as PSR B0531+21, is a highly magnetized, rapidly rotating neutron star located in the Crab Nebula, the remnant of a supernova explosion that occurred in the year 1054.

A pulsar is a type of neutron star that emits beams of electromagnetic radiation from its magnetic poles. These beams are not aligned with the rotational axis of the pulsar but instead sweep across space as the star rotates. When one of these beams of radiation points towards the Earth, we observe a pulse of light.

In the case of the Crab Pulsar, it rotates incredibly rapidly, with a period of around 33 milliseconds (approximately 30 times per second). The fast rotation, combined with the strong magnetic field of the pulsar, results in the emission of beams of radiation that sweep past the Earth at regular intervals, causing the observed pulsing effect

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a blue snake is an example of physical change

The maximum volume of water that can be poured into one of the branches is 2 cm² x 3.4 cm = 6.8 cm³.

Let's first find the volume of the mercury in the tube.

The height of the mercury in the tube is 6.8 cm. Since the cross-sectional area of the tube is uniform, the volume of the mercury is given by:

Volume of mercury = area of cross-section x height of mercury

= 2 cm² x 6.8 cm

= 13.6 cm³

Now, let's find the maximum volume of water that can be poured into one of the branches. We'll assume that all the mercury in that branch is pushed up to the top of the branch, and that the water is poured in until it reaches the same height.

Let's call the height of the water in the branch "h".

The volume of water in the branch is then given by:

The volume of water = area of cross-section x height of water

= 2 cm² x h

For the water to reach the same height as the mercury in the other branch, we need:

Volume of water = Volume of mercury

2 cm² x h = 13.6 cm³

Solving for h, we get:

h = 6.8 cm³ / 2 cm²

h = 3.4 cm

Therefore, the maximum volume of water that can be poured into one of the branches is 2 cm² x 3.4 cm = 6.8 cm³.

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When a parallel beam of light passes through a convex lens, the rays become farther from one another when the come out. This process of rays is called ''to diverge''. The concave lens makes rays of light diverge, so it is called diverging lens.

Hay muchos ejemplos importantes de fuerzas que no funcionan porque actúan perpendiculares al movimiento. Para el movimiento circular, la fuerza centrípeta siempre actúa en ángulo recto con el movimiento. Cambia la dirección del movimiento, pero no funciona en el objeto.

Answer:

Too what i know its because of the air

Explanation:

The steel rod is more dense and doesnt have air whil'st the oil tanker is less dense with lots of air

The wavelength in picometers of light with a frequency of 9.3 × 1018 hz would be 32 pm.

Wavelength is the separation between a wave's starting point and its ending position. The frequency is the quantity of waves passing through a spot every second.

Wavelength and frequency have a connection to energy just as they do to light. Higher frequency and shorter wavelengths are correlated with more energy. Hence, lower energy is produced when the wavelengths are longer and the frequency is lower.

Indirect proportionality exists between frequency and wavelength. Greater wavelengths result in lower frequencies, and vice versa. The relationship between frequency and wavelength is explained by the fact that the speed of a wave is equal to the product of these two numbers.

Let the equation be v = c/λ

Frequency of 9.3 × 1\(0^{18\)

9.3 × 1\(0^{18\) = 3.00*1\(0^8\) / λ

simplifying the equation, we get

λ = 3.001\(0^8\) / 9.3 × 1\(0^{18\)

= 3.2 1\(0^{25\) m 1pm/ 1\(0^{-12\)

= 3.2 1\(0^{37\)

= 32 pm

Therefore, the wavelength in picometers of light with a frequency of 9.3 × 1018 hz would be 32 pm.

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Answer:

B

Explanation:

-1 e so the atomic number should increase so,

B. Np

The correct choice is the third option.

This comes from the fact that the packing material cushions the impacts of the content in case of a fall.

Answer:

K1>K2

Explanation:

The main reason behind this is law of conservation of momentum

But

the factor drift velocity affects the scenario.

Drift velocities of electrons is way more than velocities of ions so

Option C

Answer:

1. In environmental science, a community refers to a group of interacting species that live together in a particular habitat. An example of a community is a coral reef ecosystem, which includes a variety of species such as fish, algae, and invertebrates. In order to become a member of a community, a species must be able to survive and reproduce in the habitat and interact with other species.

2. A habitat is the physical environment where a particular species lives and obtains its resources, such as food, water, and shelter. Two or more species can inhabit a habitat if they are able to coexist and share resources without competition or conflict. For example, in a freshwater pond, various species of fish, frogs, and insects can coexist if they occupy different niches within the habitat.

3. Species diversity is greatest under conditions of high productivity, stable environmental conditions, and low levels of disturbance. For example, a tropical rainforest with high levels of rainfall and temperature stability will typically have greater species diversity than a desert with harsh and unpredictable environmental conditions.

4. Protocooperation refers to a mutually beneficial relationship between two species that work together, but not as closely as in mutualism. An example is the relationship between bees and flowers, where bees collect nectar from flowers for food and in the process, help pollinate the flowers. Mutualism is a relationship where both species benefit from each other. An example is the relationship between bees and flowers, where bees collect nectar for food, and in the process, transfer pollen from one flower to another, aiding in reproduction. Commensalism refers to a relationship where one species benefits while the other is neither helped nor harmed. An example is the relationship between barnacles and whales, where barnacles attach themselves to the whale's skin and gain protection and access to food, while the whale is not affected. Parasitism refers to a relationship where one species benefits while the other is harmed. An example is the relationship between ticks and deer, where the tick feeds on the deer's blood, causing harm and potentially spreading disease. Tolerance refers to a species' ability to survive and reproduce in the presence of other species. An example is the ability of some plant species to tolerate shade from other plants. Interactions among species influence what exists in a community by affecting population sizes, distribution, and resource availability. Positive interactions, such as mutualism, can promote coexistence and increase species diversity, while negative interactions, such as competition or predation, can limit population sizes and reduce species diversity.

5. Community changes can be caused by both biotic and abiotic factors, such as climate change, natural disasters, and human activities. Primary succession occurs in areas where no soil exists, such as on newly formed volcanic islands or after a glacier retreats. In this process, pioneer species such as lichens and mosses begin to colonize the area, gradually building up soil and creating conditions for other plant species to grow. Secondary succession occurs in areas where soil already exists, such as after a forest fire or clear-cutting. In this process, plant and animal species gradually recolonize the area, with some species growing more quickly than others depending on their adaptations and the availability of resources. An example of primary succession is the colonization of the volcanic island of Surtsey by pioneer species, while an example of secondary succession is the regrowth of a forest after a fire.

Explanation:

A community in environmental science is a group of different species living together and interacting in a specific area. For example, a coral reef ecosystem is a community where corals, fish, algae, and invertebrates coexist. To become a member of a community, a species needs to find a suitable habitat and establish interactions with other species.

A habitat is the specific physical environment where organisms live. It includes both living and non-living factors that affect survival and reproduction. Two or more species can inhabit a habitat when they can coexist and share resources without significant competition. For instance, a forest habitat accommodates various trees, understory plants, birds, mammals, and insects, each occupying different niches.

Species diversity is greatest under conditions of high ecological complexity, such as diverse habitats, moderate environmental disturbance, and a wide range of resources. Biodiversity is higher in tropical rainforests, coral reefs, and diverse ecosystems that provide various niches for species to thrive.

Protocooperation is a mutually beneficial interaction between different species without full dependency. An example is oxpecker birds feeding on ticks from zebras, benefiting from food while the mammals get parasite removal. Mutualism is a symbiotic relationship where both species benefit, like flowering plants providing nectar for bees while bees aid in pollination. Commensalism benefits one species without affecting the other, such as orchids growing on tree branches. Parasitism benefits the parasite at the host's expense, like ticks feeding on mammalian blood. Tolerance is the ability of species to withstand challenging conditions, such as plants tolerating extreme temperatures.

Interactions among species influence community composition, structure, and dynamics. Positive interactions like mutualism and protocooperation enhance diversity, while negative interactions like competition and predation limit certain species. Predation affects population dynamics and distribution of prey, which cascades through the community. The removal of a keystone predator disrupts the balance, leading to increased prey abundance and potential negative impacts on other species.

Community changes can result from natural disturbances, human activities, climate change, and evolutionary processes. Primary succession occurs in lifeless areas like bare rock, starting with pioneer species such as lichens. They modify the environment, enabling the establishment of other species. Secondary succession happens in disturbed areas with remnants of the previous community, beginning with fast-growing plants and eventually restoring a diverse community. Examples include the formation of a new island through volcanic activity (primary succession) and forest regeneration after a fire (secondary succession).

The density of a pure gold ring, compared to a bar of pure gold, is the same.

Density is defined as mass per unit volume (density = mass/volume), and it is a physical property of a substance. In this case, the substance is pure gold. Since both the bar and the ring are made of pure gold, their densities will be identical.

Pure gold has a density of 19.3 grams per cubic centimeter (g/cm³). Regardless of the shape or size of the gold object, as long as it is made of pure gold, its density will remain the same at 19.3 g/cm³.

Therefore, the density of a pure gold ring will also be 19.3 g/cm³, just like a bar of pure gold. Keep in mind that in real-life scenarios, gold rings and other jewelry pieces are often alloyed with other metals to increase durability and alter color, which would affect their density.

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Answer:

The Moon itself does not generate light

Explanation:

The Moon itself does not generate light; it is lit up by the Sun. As the Moon orbits the Earth, the portion of illuminated Moon that we see changes – giving rise to the phases of the Moon. Starting at the New Moon phase, the Moon appears to expand in illumination.

The resulting force on an electron placed in an electric field of 60.6 n/c to the left can be calculated using the formula F=qE, where F is the force, q is the charge of the electron and E is the electric field. Since the electric field is to the left, the force is in the opposite direction, to the right. Therefore, the resulting force on the electron is 9.70 ✕ 10−18 n right.

The force experienced by an electron in an electric field can be calculated using the equation F = qE, where F is the force, q is the charge of the electron, and E is the electric field strength. The electric field strength is given as 60.6 N/C to the left, and the charge of an electron is -1.6 x 10^-19 C.

When you plug in these values, you get:

F = (-1.6 x 10^-19 C) * (60.6 N/C)

F ≈ -9.70 x 10^-18 N

Since the electric field is to the left and the electron is negatively charged, the resulting force on the electron is positive, which means it is acting in the opposite direction of the electric field. Therefore, the correct answer is:

9.70 ✕ 10^−18 N to the right.

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The photoelectrons released from platinum will have the highest kinetic energy since it has the highest work function (9.1 x 10-19 J).

In physics, an object's kinetic energy is the energy it has as a result of motion. It is explained as the amount of effort required to move a mass-based body from rest to the indicated velocity. The body retains this kinetic energy until its speed changes after gaining it during its acceleration.

An object's kinetic energy is the energy it has as a result of motion. Applying force is necessary if we wish to accelerate an object. We have to put forth work to apply a force. After the job is finished, the object will be travelling at a new, constant speed because energy has been transferred to it.

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In accordance with the Aufbau principle, electrons occupy atomic orbitals from the lowest energy to a highest energies.

One electron represents the initial energy level. Larger atoms have more electrons. Always start by adding to the lowest energy level until it has all the electrons it can have. Electrons are subsequently filled in at the higher energy level below, and so on.

Nuclear energy is the term used to describe the energy present in the nucleus, or core, of an atom. Nuclear energy can be used to generate electricity, but first it needs to be freed from the atom.

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Answer:

1) Mercury

2) Venus

3) Earth

4) Mars

Explanation:

Answer:

The for inner/terrestrial planets are Mercury, Venus, Earth and Mars

Explanation:

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