Newton's Law for conduction of heat says that dT = k(Te – T) for some constant k > 0. dt Suppose that when the external temperature (T.) is 5 degrees higher than the internal temperature (T), the internal temperature is changing at 2.4 degrees per second. Find the rate that the internal temperature is changing when the external temperature is 6 degrees higher than the internal temperature. Find the rate that the internal temperature is changing when the external temperature is 6 degrees lower than the internal temperature. Find the rate that the internal temperature is changing when the internal and external temperatures are equal.

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Mechanisms of heat transfer

Heat transfer is an essential discipline in thermal engineering that deals with the transfer, conversion, usability, and creation of heat or thermal energy. Transfer of heat occurs through various mechanisms like conduction, convection, radiation, and change of phases. All these mechanisms have distinct characteristics, but these mechanisms can simultaneously occur in an identical system.