The efficiency of a Carnot heat engine is defined to be с E(T) T. where is the temperature of the surrounding environment in Kelvin, and T is the tem- perature of the heat source. For the following questions assume that C = 300 Kelvin is a constant. (a) (5 pts) Determine the linearization of E(T) at T = 500K tam bidang (b) (5 pts. Use the linearization to approximate the change in E if T = 500 = 20K باید اشار اليها الانسان