The position vectors of two particles of mass mi = 3.0 kg and m2 = 2.0 kg are r = 2î + 5ĵ and rz = 4î + 2ĵ respectively. Find: the position vector of their center of mass.

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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.