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Energy

The Energy category covers the description, definition, and use of all types of energy. Questions of a general nature can be put in the general Energy category. Other sub-categories exist for Fossil fuels, Nuclear energy, and renewables such as Wind, Solar, Hydro, Tidal, and Wave power.

24,905 Questions

What is the source of most of the atmosphere energy?

Complicated question, with many details to think about...

But in short, gravitational power in connection earth and air combined with light from the sun.

Hot air goes up, and thereby change the presure... Cold air head for the low presure areas... And alot of wind is being generated... This is the cause for most of the energy.

But there are many other factors too giving energy to the atmosphere to a less extent... Northern light is nice too, but there the energy also comes from the sun, but via ions end electric fields in combination with the magnetic field created in the ground under influence of the gravitation in connection to the the moon. And there is light and cosmic radiation etc...

Another source of energy for the atmosphere is comming from earth itself... Radioactive decay and also solidification of the molten part of the inner earth releases energy in the form of heat. In turn giving some extra energy for the atmosphere.

Can you describe the events that take place as energy from the sun travels through an energy pyramid?

As energy from the sun travels through an energy pyramid, it is absorbed by producers (plants) through photosynthesis. The producers convert the sun's energy into chemical energy, which is then passed on to primary consumers (herbivores) when they consume the plants. This energy transfer continues through the different trophic levels of the pyramid as organisms are consumed, with energy being lost at each transfer due to respiration and heat loss.

Why two sources of power on the voyager 2?

Voyager 2 carries two power sources to ensure redundancy and increase the chances of mission success. The spacecraft is powered by three radioisotope thermoelectric generators (RTGs) for electrical power and backup power is provided by its solar panels. This dual power source setup allows Voyager 2 to continue its mission even if one power source fails.

Why does the solar uv vary from day to day?

The amount of solar UV radiation that reaches the Earth's surface varies from day to day due to factors such as the position of the sun in the sky, the angle at which the sunlight strikes the atmosphere, and the amount of clouds or pollutants in the atmosphere that can scatter or absorb UV radiation. Other factors like the Earth's tilt and its orbit around the sun also play a role in the seasonal variation of solar UV levels.

Earth loses heat energy to outer space mainly by?

Earth loses heat energy to outer space mainly by radiation. This process involves the transfer of energy in the form of electromagnetic waves, such as infrared radiation. These waves move through the vacuum of space and carry away thermal energy from the Earth's surface and atmosphere.

When did manking first started using solar energy?

That was when the cavemen sat in the Sun, to get warm, or when they dried their firewood, or their meat, in the sun.

That was when the cavemen sat in the Sun, to get warm, or when they dried their firewood, or their meat, in the sun.

That was when the cavemen sat in the Sun, to get warm, or when they dried their firewood, or their meat, in the sun.

That was when the cavemen sat in the Sun, to get warm, or when they dried their firewood, or their meat, in the sun.

What is a solar ecplise?

A solar eclipse occurs when the moon passes between the Earth and the sun, blocking all or part of the sun's light. This creates a temporary shadow on Earth, causing either a partial or total blockage of the sun from view. Solar eclipses can be a rare and spectacular natural phenomenon.

A satellite imaging system that beams electromagnetic at the surface and then records the energy reflected is what?

This system is a synthetic aperture radar (SAR) system, which uses radar to transmit electromagnetic waves towards the Earth's surface and then measures the energy reflected back to create high-resolution images. SAR is commonly used in satellite imaging for various applications such as mapping, monitoring natural disasters, and observing changes in the environment over time.

What gives a star its energy?

A star gets its energy from nuclear fusion in its core. In this process, hydrogen atoms combine to form helium, releasing a tremendous amount of energy in the form of light and heat. This energy sustains the star and allows it to shine brightly.

Why is the sun the ultimate source of energy for all living things?

All plants rely upon the sunlight to photosynthesize the food they need to grow, and more importantly to the food chain, to create the nutritious food animals need to survive. Without sunshine, all plants die.

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Plants support the global food chain for all life. Plants are the original food source for all animals, even for carnivores and omnivores. Meat eaters may eat other animals, but eventually those animals in the food chain eat plants. Without plants, plant eating animals die, and without plant eating animals, all carnivorous animals die. Simply put, without plants, all animals die.

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Without the sun, all life dies.

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The sun also keeps the Earth at a reasonable temperature allowing life to evolve and continue, and it allows plants to grow through photosynthesis, which gives animals the energy they need to live and grow, and in the past to make fossil fuels which we use now.

In what layer is the moon in?

The moon is located in Earth's exosphere. It is outside of Earth's atmosphere, orbiting around our planet.

What kind of force is it when rockets escape from gravity?

If the rocket has a certain speed, it will escape from gravity due to its own momentum. To speed the rocket up, currently chemical combustion is used. The burning gas goes out in one direction, thus pushing the rocket in the opposite direction.

If the rocket has a certain speed, it will escape from gravity due to its own momentum. To speed the rocket up, currently chemical combustion is used. The burning gas goes out in one direction, thus pushing the rocket in the opposite direction.

If the rocket has a certain speed, it will escape from gravity due to its own momentum. To speed the rocket up, currently chemical combustion is used. The burning gas goes out in one direction, thus pushing the rocket in the opposite direction.

If the rocket has a certain speed, it will escape from gravity due to its own momentum. To speed the rocket up, currently chemical combustion is used. The burning gas goes out in one direction, thus pushing the rocket in the opposite direction.

Does Mercury have volcanoes or any other energy sources?

Yes, Mercury has volcanoes, but they are not active like those on Earth. The planet's internal heat also comes from its cooling core and radioactive decay.

Where does the suns energy go?

It radiates into space, never to come back.

It radiates into space, never to come back.

It radiates into space, never to come back.

It radiates into space, never to come back.

You can see all the energy given off the sun with your eyes true or false?

False. While our eyes can perceive sunlight in the visible spectrum, the Sun emits energy in a wide range of wavelengths, including ultraviolet and infrared light, which are not visible to the human eye.

How much energy is needed to convert ice to water on the moon?

To convert ice to water on the moon, energy is needed to break the hydrogen bonds holding the water molecules together in the solid ice lattice. This process requires the input of heat energy to overcome the enthalpy of fusion of water, which is approximately 334 joules per gram.

What's the total energy emitted by the brightest nova explosion?

The total energy emitted by the brightest nova explosions is typically around 10^41 to 10^44 joules, which is equivalent to a few thousand times the total energy output of the sun in a year. Novae are caused by the explosive ignition of accumulated hydrogen on the surface of a white dwarf star in a binary system.

What work is done when ideal gas at 15 ATM and 10 L expands against 2 ATM at constant temp?

The work done in this case is the area under the pressure-volume (P-V) curve. Since the gas is expanding against an external pressure of 2 ATM, the gas must do work to overcome this pressure. The work done is given by the formula: Work = P_ext(V_final - V_initial), where P_ext is the external pressure, and V_final and V_initial are the final and initial volumes of the gas respectively.

Energy is produced in the sun when two?

..particles (nuclei) fuse together to form heavier nuclei. Initially, two protons fuse together (hydrogen atom nuclei) to form deuterium. These in turn may fuse with further protons, or with another deuterium nuclei to for a helium nuclei. As the heavier nuclei form, lots of energy is released.

Why are solar panels so important?

Solar panels are important because they don't cause pollution, and they can increase the production of electricity in the world.

Another Answer:

Solar panels, as of today, produce virtually non of our annual power needs. I also are far from being a pollution free device. There is a variety of very nasty chemicals and gases used to make these panels. They rarely supply as much power as it takes to construct one. They do however, have some very useful applications where they work well.

1. Space. The power they produce can be very useful in keeping our satellites supplied with power.

2. Remote applications. Power far from the grid is needed and solar is a quiet method of getting small amounts of power

3. Back up applications. When the grid fails, solar panels can supply quiet limited power.

It is hoped that solar panels will become more powerful and useful as the technology develops. Until then they still have a working location in our world.

Where do you get solar speed stacks?

Solars, unfortunately, have been discontinued by Speed Stacks. To get them now you should try Ebay. I am lucky enough to have over 20 sets of them on loan from Speed Stacks. Good Luck trying to get a set! (the ones without the label on top and with the label on the side that wears off [aka generation 1 solars] are the fastest all around solars in my opinion) Current world records for sport stacking can be found at worldsportstackingassociation.org

When is total mechanical energy conserved?

Total mechanical energy is conserved in a system when no external forces, such as friction or air resistance, are acting on the system. This often occurs in idealized situations like when an object is in free fall or when no energy is lost due to non-conservative forces.

Does a golf ball on the grass have a potential energy?

Yes, a golf ball on the grass has potential energy due to its position in the Earth's gravitational field. When the ball is raised to a certain height, it gains potential energy which can be converted into kinetic energy when it is in motion.

How does energy saver AC help your electric bill?

Saving energy means you use less energy from the company that supplies your electricity. Hence your bill will be less. You are charged in Watt Hours. If you turn on an incandescent 100 Watt bulb for an hour the electric company will charge you about 12 cents. If you use an LED bulb which gives the same light and only consumes 20 Watts, it only costs about 2.4 cents per hour.

How much of your energy comes from tidal power?

Tidal power accounts for a very small percentage of global energy production, less than 0.1%. It is not currently a major source of energy due to high costs and limited locations where it can be effectively harnessed.