If we assume 70% of braked energy from the previous case is transferred to heat into two front brake rotors.How much would the mean temperature of front rotor increase when the vehicle is put to stop. Assume that : 1)rotor's diameter is 3mm. 2)rotor's thickness is 1cm. 3)Density : 7800 kg/m^3. 4)Specific heat (Cp) : 500 J/Kg K. 5)Thermal conductivity (K) : W/mK.