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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

Is obsidian renewable or non renewable?

A renewable resource is something that is still there after we have used it.

Like solar energy, wind power, tidal power, geothermal power. We can take advantage of these today and they will still be there tomorrow to be used again.

Opals take many millions of years to become what they are today. So we say they are NOT renewable.

What gp is an energy resource from hot rocks?

Geothermal power is the energy resource that comes from hot rocks beneath the Earth's surface. It's like tapping into Mother Nature's personal space heater. So, if you want to get your hands on some hot rock energy, geothermal power is where it's at.

What equation can you use to calculate gravitational potential energy?

Potential energy = mgh, or mass x gravity x height.

Potential energy = mgh, or mass x gravity x height.

Potential energy = mgh, or mass x gravity x height.

Potential energy = mgh, or mass x gravity x height.

What type of energy is used when getting dressed?

Well, getting dressed is like painting a beautiful picture, but with clothes instead of colors. The energy you use is called mechanical energy - it's the energy you put into moving your body and putting on your clothes with care and love. Just like every brushstroke adds to a painting, every movement you make while getting dressed adds to the masterpiece of your day.

What energy transfers take place when you watch TV?

The main input energy is electrical energy from mains or power sockets; that energy is transferred to light energy for the pictures, and also there is sound energy (For audio), and all these energy are converted right back at heat energy as there is always a loss of energy in every device.

What is an non example for potential energy?

A non-example of potential energy would be kinetic energy. Potential energy is the energy an object has due to its position or condition, while kinetic energy is the energy of motion. Another non-example could be thermal energy, which is the energy related to the temperature of an object rather than its position or condition.

What is the useful and wasted energy in an electrical iron?

Useful energy in an electrical iron is the electrical energy that is converted into heat to press clothes effectively. Wasted energy in an electrical iron is the energy lost as heat to the surroundings due to inefficiencies in the heating element and insulation.

What is the energy transformation of a sink?

The energy type that a sink uses is mechanical because the water is pushed by the pression.

Is a running refrigerator motor potential or kinetic energy?

Well, isn't that a lovely question! When a refrigerator motor is running, it's using electrical energy to create movement, so that's actually kinetic energy in action. Just like when we paint with gentle brushstrokes, the motor hums along, transforming one form of energy into another to keep our food fresh and cool.

How can you convert electrical energy to mechanical sound and heat energy?

We can convert electrical energy into mechanical energy in mixer and grinder.

We can convert electrical energy into sound energy in various sound systems.

We can convert electrical energy into heat energy in electric water or room heater.

What are facts about chemical energy?

Chemical energy is a form of potential energy stored in the bonds of chemical compounds. When a chemical reaction occurs, these bonds are broken, releasing energy in the form of heat or light. The amount of energy released is determined by the types and arrangement of atoms in the molecules involved. Chemical energy is essential for various processes in living organisms, such as metabolism and cellular respiration.

Input and output energies of a hairdryer?

Really a physics question which could go on for pages to be explained properly by someone in the know. To the layman it is Electron flow in the heating wire (electrical resistance) causing a collision at the atomic level producing radiant heat.

What three components are necessary for an energy conversion?

The 3 components are input energy a converter and out put energy.

What type of energy does an eggbeater have?

An eggbeater primarily possesses mechanical energy. When you manually rotate the handle, you are applying a force to turn the beaters, converting your muscle energy into mechanical energy. This mechanical energy is then transferred to the beaters, allowing them to mix and beat the ingredients in the bowl.

What kind of energy does a lawn mower use?

Lawn mowers are available as electrically powered or gas powered. For an electrically powered mower, the question gets a bit messy. Sure the mower itself is using electricity, but then there's the question where that electricity is coming from. Might be solar, nuclear, hydro, wind or even chemical energy that was used to generate the electricity.

For a gas powered mower, it's easier - that's chemical energy.

There are also the human-powered, hand-pushed mowers. They would be powered by humans, which are powered by chemical energy.

Stored Energy (Electricity, Petrol) to Kinetic Energy (Movement) with the by-product of heat energy.

Light for a torch and kinetic energy are both what?

Those are both kinds of energy. The light from the torch is an energy transformation, the chemical reaction of the burning of the torch creates radiant and thermal energy. Kinetic energy is just the energy when an object is in motion.

The chemical weathering of feldspar produces?

The chemical weathering of feldspar produces clay minerals, such as kaolinite, illite, and smectite. This process involves the breakdown of the feldspar mineral structure through reactions with water and acids in the environment. As feldspar weathers, it releases elements like potassium, sodium, and silica, which contribute to the formation of new clay minerals.

Which form of energy is used to dispense gumball machine?

  • mechanical energy is the form of energy of the gumballs .

Why do mechanical systems need an external energy source in order to maintain motion?

Mechanical systems need an external energy source to overcome frictional forces that inherently slow down motion. Without this external energy input, the system will eventually come to a stop due to friction and other resistive forces. The energy input helps to compensate for the energy lost to these opposing forces, thereby sustaining the motion of the system.

What is the output energy of an electric drill?

The output energy of an electric drill is typically measured in watt-hours (Wh) or joules (J), which indicates the amount of work it can perform over time. This value can vary depending on the power rating of the drill and how long it is used.

What are some non examples of electric energy?

well what I think are some examples are carpet tile window stairs anything that doesn't use energy

What are energy transformations of boy riding tricycle?

The boy on the tricycle is converting chemical energy (from food consumed) into mechanical energy to pedal the tricycle. As the tricycle moves, friction between the wheels and the ground generates heat energy. Additionally, the boy's movement also produces sound energy.

What are the advantages and disadvantages of heat energy?

Heat energy has several advantages, such as its ability to be easily converted into other forms of energy, its widespread availability, and its cost-effectiveness for many applications. However, heat energy also has disadvantages, including its tendency to dissipate quickly, its potential to cause harm if not controlled properly, and its reliance on finite resources such as fossil fuels for generation.

What is it when energy from hot cocoa melts a marshmallow placed in it?

It is a process of heat transfer where the thermal energy from the hot cocoa is transferred to the marshmallow, causing it to heat up and eventually melt. This is due to the higher temperatures of the hot cocoa compared to the melting point of the marshmallow.