Thermal Energy

Definition

Thermal energy is defined as the total kinetic energy of a system due to the random molecular motion of the system. The flow of thermal energy from one system to another contributes in heat. The heat can be exchanged through:

• Conduction
• Convection
• Radiation

The thermal energy of a system is given by the formula

$$E_{t}hermal=\frac{3}{2}NkT$$

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Resources

Source: Temperature

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