Gears A and B of mass 10 kg and 50 kg have radii of gyration about their respective mass c...

Gears A and B of mass 10 kg and 50 kg have radii of gyration about their respective mass centers of kA = 80 mm and kB = 150 mm. If gear A is subjected to the couple moment M = 10 N•m when it is at rest, determine the angular velocity of gear B when t = 5 s.