8.4.6
The reducer consists of a conical and cylindrical gear with the number of teeth of the wheels z1 = 18, z2 = 26, z3 = 28 and z4 = 40. The shaft 1 rotates with angular velocity? 1 = 20 (t + e-t). At the time t = 10 s, determine the angular velocity of shaft 2. (Answer 96.9)