The increased heat sends a nerve impulse from the burning area to the spine. Here the somatosensory neurone (the one conveying the heat) activates a motor neurone (one which initiates movement). This motor neurone sends an impulse to the muscle controlling the hand, making the muscle contract and making the hand move away from the heat source.
At the same time, the somatosensory neurone also sends a message to the brain, which is percieved as pain (hence why burning yourself hurts).
Inflammation may occur in the burnt tissue as a response, increasing fluid levels in the damaged tissue, producing a blister. This helps the damaged tissue to heal.
The actual mechanisms of these events are ridiculously complex, this is a simplified version.
Conduction, mostly, though radiation plays a part in it. Just before you touch it you can usually feel the radiation and convection with the air between your hand and the hot thing. If you're lucky enough to work in a vacuum someday you will be able to feel radiative heat from a hot thing by itself, a very unique experience.
When a person touches a hot object and withdraws their hand from it without thinking about it, the heat stimulatestemperature and danger receptors in the skin, triggering a sensory impulse that travels to thecentral nervous system. The sensory neuron thensynapses with interneurons that connect to motor neurons
If you do not touch it, by radiation.
If you touch it then by radiation and conduction.
Hold a rock in the air ... it has potential energy. Drop it ... the potential energy will be converted into kinetic energy. It hits the ground and stop ... the kinetic energy will be converted into thermal energy. Note that the total energy in each case is the same.
energy transfer and energy transformation are different.energy transfer refers to the transfer of energy from one body to another, like energy travelling from one place to another. when we place our hand on a hot iron rod,heat energy is tansfered from the rod to our hand.on the other hand energy transformation means the energy gets converted to another form of energy,much like mechanical energy becoming electrical energy in the case of wind mills.
Depends on the type of rock. The thermal conductivity of most rocks range from 1 to 5 W/mK. (watt per meter kelvin) Compared to other things: Copper, a good conductor, its +-390 W/mK . PUR foam, a good insulator, its +-0,03 W/mK . So to answer your question: heat goes through rock, but not rapidly.
While falling, potential energy gets converted to kinetic energy (movement energy). Some gets lost to air resistance - that gets converted to heat. Once the rock hits the ground, most of the kinetic energy will be converted to heat.
Probably not, as all matter has an energy component associated with it, even when it is at apparent rest. For example, a 1kg rock at Earth's equator is really moving at about 40 000 km/day; and if we consider the motions of the Solar system, and of our Galaxy, then the energy of that apparently stationary rock is quite great.
Thermal energy -apex (:
Thermal energy -apex (:
I want to guess that it is Thermal Energy
I want to guess that it is Thermal Energy
Thermal energy (heat) and pressure or stress (which is also a form of internal energy of a system and is a form of potential energy).
Sedimentary rock is converted into metamorphic rock with exposure to heat, pressure, heated mineral solutions, or a combination of any of them.
Hold a rock in the air ... it has potential energy. Drop it ... the potential energy will be converted into kinetic energy. It hits the ground and stop ... the kinetic energy will be converted into thermal energy. Note that the total energy in each case is the same.
Potential energy is converted into kinetic energy
Thermal energy -apex (:
Thermal energy -apex (:
Thermal energy -apex (:
The movements of mantle rock is a classic example of thermal convection, though there will be some conductivity as well.