A polymer is subjected to a cyclic stress of 5 MPa at a frequency of 1 Hz for 1 minute. The phase…

A polymer is subjected to a cyclic stress of 5 MPa at a frequency of 1 Hz for 1 minute. The phase angle is 0.05 degrees. Calculate the temperature rise, assuming no loss to the surroundings. E = 2GPa, C = 1.0 J/kg · K and ρ = 1.0 Mg/m3.