no
No, an object will not be a net radiator of energy when its thermal energy is less than that of its surroundings. In this case, the object will instead absorb thermal energy from its surroundings in an attempt to reach thermal equilibrium.
Thermal energy of the object or body.
no
Any object that is above zero Kelvin - in other words, any object - contains thermal energy. As a simplified explanation, the thermal energy is contained in the movement of its atoms.
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The answer is "partly". Thermal energy consists of the average kinetic energy of the particles (how much they move around, bumping into things and each other) and the average potential energy of the particles (tough to picture - how much they "shake back and forth", or oscillate, from their normal, resting position).
A radiator is a type of heating device. An object will normally be a net radiator of energy when it's temperature is higher than its surroundings.
the movement of energy from a warmer object to a cooler object is called heat transfer
Heat is thermal energy moving from a warmer object to a cooler object.
In that case, heat energy will tend to flow from that object to its surroundings.
An object that absorbs heat well will also emit heat well. The object will emit heat until equilibrium is reached with its surroundings.
Yes, the hotter an object is, the greater the thermal energy it has.
Heat has a tendency to move from hotter to colder substances. To store thermal energy, you need to keep an object hotter (or colder) than its surroundings; and there are no perfect insulators that stop the flow of heat altogether.
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The thermal energy of an object consists of the total kinetic energy of all its atoms and molecules. The temperature of the object is a measured average intensity of its thermal energy.
Heat transfer is the transition of thermal energy from a hotter mass to a cooler mass. When an object is at a different temperature than its surroundings or another object, transfer of thermal energy, also known as heat transfer, or heat exchange, occurs in such a way that the body and the surroundings reach thermal equilibrium; this means that they are at the same temperature. Heat transfer always occurs from a higher-temperature object to a cooler-temperature one as described by the second law of thermodynamics or the Clausius statement.
Thermal energy of the object or body.
thermal equilibrium