Dynamics -- 2 shafts rotating & connected with a clutch During the operation of a machine, two shafts rotate in opposite directions and are then connected by a clutch system. Shaft 1 has a rotational speed of 800 rev/min, a mass of 35 kg and a radius of gyration of 375 mm. Shaft 2 has a rotational speed of 1100 rev/min, a mass of 45 kg and a radius of gyration of 520 mm. Determine: i) the moment of inertia for each shaft; ii) the final speed and direction of rotation for the connected shafts; iii) the angular torque developed by the connected shafts if the rotational speed increases to 900 rev/min in a time of 3.2 s. iv) the kinetic energy of the connected shafts at the increased speed. Question: (my last question before submitting my work I promise) I managed to work out (i) and (ii) no problem for part (iii) do I use T=Ia and then Impang= Tt? and for (iv) do I use Ekang=1/2 Iω2 with the revs set at 900 rev/min?