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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
Yes. When substances are heated, they expand into liquids, gasses, or plasmas, and conversly, when cooled, they contract in the opposite manner. This is due to thermal properties of atomic structures. Heat causes an atom's electrons to reach higher orbits, and thus spread farther apart.
Yes, RP-1 is a highly refined form of kerosene, which is a liquid hydrocarbon fuel. It is commonly used as rocket fuel in combination with liquid oxygen.
How would removing heat from a system change its state or temperature?
Heat tranfer is the method used to do this. Removing the heat from a system changes its state by changing the molecular structure of the system being used. Say it is water(H2o), if heat is removed from water it changes the energy level of the molecules by removing energy and causing the molecules to hold close to eachother. This creates a solidifying effect creating ice. If the opposite is done and heat is added to water, energy is added. The molecules then are energized and get to the point of not being able to be close to eachother seperating and going off on their own. Thus creating steam.
When a balloon is popped what kind of energy transfer takes place?
When a balloon is popped, the potential energy stored in the stretched rubber is rapidly converted into kinetic energy and sound energy, causing the balloon to burst. This sudden release of energy is a result of the elastic potential energy stored in the balloon being converted into other forms of energy very quickly.
What are natural fertilizers and what are their sources?
Natural fertilizers are organic materials that provide essential nutrients for plant growth, such as nitrogen, phosphorus, and potassium. Sources of natural fertilizers include compost, manure, bone meal, seaweed, and fish emulsion. These fertilizers release nutrients slowly and improve soil structure, making them a sustainable and eco-friendly choice for gardening.
What is energy heat 5.00 g water from 4C to 37C?
To calculate the energy required to heat water, you can use the formula: ( Q = mcΔT ), where Q is the energy, m is the mass (5.00 g), c is the specific heat capacity of water (4.18 J/g°C), and ΔT is the change in temperature (37°C - 4°C = 33°C). Plugging in these values, you can find the energy required to heat the water.
Whose work on heat engines lead to the formulation of the second law of thermodynamics?
The work of Sadi Carnot, a French engineer, on the efficiency of heat engines in the early 19th century led to the formulation of the second law of thermodynamics. Carnot's insights on the limitations of heat engine efficiency laid the foundation for the development of the second law, which eventually became a fundamental principle in thermodynamics.
Why a table fan turn in clockwise direction?
In this way, the shadow of the fan rotating at the floor is clockwise. Ceiling fans can be set up to rotate either way, many of them have a switch that will change the direction. Others can be wired to rotate either way. Typically they are designed to push air rather than pull it.
Solar energy fits this description. It is abundant, renewable, and available nearly everywhere on the planet. Solar power generation does not produce greenhouse gas emissions and cannot be monopolized or rationed by nations.
Teleportation is a theoretical concept in which an object or person is instantaneously transported from one location to another without physically traveling the distance in between. The current scientific understanding suggests that teleportation would require the precise encoding and transmission of the complete quantum state of an object or individual to recreate them at the destination. While teleportation has been achieved at a microscopic level with particles, the technology to teleport larger objects or humans does not currently exist.
The energy used in living organisms to change materials into new forms and move needed material from one place to another is typically chemical energy. This energy is released through various metabolic processes such as cellular respiration and photosynthesis, allowing organisms to carry out essential functions for survival and growth.
What would happen if you applied energy to a liquid?
If you apply energy to a liquid, it can increase the speed of the molecules, causing the temperature to rise and potentially leading to a change in state (e.g., evaporation to form a gas). In some cases, the liquid may also undergo a chemical reaction if the energy input is high enough.
How does mechanical energy help you in your daily life?
machanist is a medium for energy. That energy from fossil fuels. The sun. Wind. water. and... consequencing has come with different means to turn into mechanical energy. And this mechanical energy in a process turned again to prove or electrical energy or movement.
Answer: Improve Here are the different types of mechanical energy: 1) Kinetic energy - the energy associated with moving along a path ("kinetic energy of translation") or spinning ("kinetic energy of rotation") 2) Gravitational potential energy - energy that is stored or released as an object moves up or down in a gravitational field 3) Elastic potential energy - energy that is stored or released as an elastic object (like a spring or a rubber band) is deformed or relaxes --------------------------------------… An example: Imagine you see an uninflated red balloon sitting on the ground. It's not moving, so it has no kinetic energy. It's not inflated, so the rubber isn't stretched at all -- no potential energy has been stored in stretching the rubber. And it's sitting at ground level, so it's gravitational potential energy is zero as well. You are looking at a red balloon with no mechanical energy (remember the mechanical energy is the kinetic and potential energies all added together). You're feeling winsome today, so you pick up the balloon and blow it up and hold the opening pinched between your fingers. Is its mechanical energy still zero? Well, the kinetic energy is still zero, it's sitting right there in your hand. How about potential energy? Aha, you have stretched the rubber and stored up energy that way. Yes, and you also picked it up off the ground and moved it higher -- it now has some gravitational potential energy, too. Now you let the balloon go, and it flies up and away from you. Now, finally, there is some kinetic energy. There's a little more gravitational potential energy than before you let it go (because it is flying higher). And what about the elastic potential energy? It's getting smaller because the balloon is shrinking (becoming less stretched), and that potential energy is being transformed into the kinetic energy and gravitational potential energy of the now-moving balloon. When the balloon is completely deflated, its elastic potential energy will be zero, its gravitational potential energy will peak, and then begin to decrease. Its kinetic energy will increase proportionally as it falls (ignoring air resistance). Just before the balloon reaches the ground, its gravitational potential energy will be zero, and all its energy will be kinetic. After it hits the ground, the sum of its kinetic and potential energies, i.e. its mechanical energy, will again be zero. -------------------- Another example Mechanical energy (more specifically, electrical energy) can be explained by the ever growing sector of hybrid cars that use the energy generated by a typically underpowered engine coupled with a small electric engine. The development of brake energy regeneration, is what recharges the large battery that supplements the gas engine. During braking, the system will store energy in the battery, containing it as potential energy until is it required to power the vehicle, using it as kinetic energy! The principle of potential and kinetic energy is so broad, hundreds, maybe thousands, of examples can be fitted to the idea.
How can charges be transferred between to objects?
Charges can be transferred between two objects through processes such as friction, conduction, and induction. In friction, electrons are transferred when two objects are rubbed together. Conduction occurs when charges move between two objects that are in direct contact. Induction involves the rearrangement of charges in a neutral object when a charged object is brought near it.
How far can a candle be seen in light?
A candle can typically be seen from up to 1 mile away in the dark, depending on atmospheric conditions and line of sight. The flame emits light that can be visible in the surrounding darkness, but this visibility diminishes with distance.
How do icebergs contain thermal energy?
Icebergs contain thermal energy because they are formed from frozen water molecules that have a certain amount of heat energy absorbed from their surroundings. This heat energy is released when the ice melts, contributing to the overall available thermal energy in the iceberg.
Why can't a massive star generate energy through iron fusion?
Iron is on the lowest energy level (for nuclear energy), or near it. Converting other elements to iron or nickel will produce energy; the other way round it costs energy.
Iron is on the lowest energy level (for nuclear energy), or near it. Converting other elements to iron or nickel will produce energy; the other way round it costs energy.
Iron is on the lowest energy level (for nuclear energy), or near it. Converting other elements to iron or nickel will produce energy; the other way round it costs energy.
Iron is on the lowest energy level (for nuclear energy), or near it. Converting other elements to iron or nickel will produce energy; the other way round it costs energy.
Will a spaceship need more or less energy to take off from the moon than the earth?
A spaceship would need less energy to take off from the Moon compared to the Earth due to the Moon's lower gravity. The Moon's gravity is about 1/6th that of Earth, so a spacecraft would require less thrust to overcome gravity and achieve liftoff.
Where does kinetic energy go after it is used?
If you're suggesting something like an auto accident, the energy of the collision is used to deform materials in the structural elements of the vehicle(s). It also heats them. The primary design features of cars includes a lot of thought to where the energy of a collision can go. Bumpers collapse, body panels and their strengthening members fold and become compressed, and a top or roof can collapse down. All this sinks ("sucks up") energy. And if it all works in an optimal way, you can climb out and walk away.
The solar angle is a term that refers to the?
The solar angle refers to the angle between the sun and the horizon at a specific location. It is an important factor in determining the intensity of solar radiation received at that location, influencing factors such as heating and shading.
Are genes composed of hormones?
No, genes are not composed of hormones. Genes are segments of DNA that contain the instructions for producing proteins, while hormones are chemical messengers produced by various glands in the body that regulate different physiological processes. While genes can influence the production and regulation of certain hormones, they are not composed of hormones.
What is the energy source for Hubble Space Telescope?
The Hubble Space Telescope is powered by solar panels that convert sunlight into electricity. These solar panels charge the spacecraft's batteries, which provide power to operate its scientific instruments and communication systems.
Is gravitational energy renewable?
It is renewable because you can always raise an object or raise yourself and gain gravitational potential energy. You cannot run out of gravitational potential energy and even now you have some of the the energy because gravity is always pulling you. It is just a matter of how much gravitational potential energy you have. Go on the top Mt. Everest and you will have more gravitational potential energy than most of the people in the world.
Will solar power work in the future?
Those who are predicting our future tell us that some of our electricity will come from solar. Much of this will be supplied by small, independent, home based producers who tie into the grid and sell it to their power company. The technology is here today and smart people are installing it to lock down future increases in power costs.
How does it increase in solar activity affect the ionosphere?
Increased solar activity can lead to higher fluxes of solar radiation and charged particles reaching the Earth's upper atmosphere, causing the ionosphere to become more ionized and ionospheric electron density to increase. This can affect radio wave propagation and communication, as well as navigation systems that rely on signals passing through the ionosphere.
