Question: the man has a mass of 80 kg and sits 3 m?
Answer: The man has a mass of 80 [kg] and sits 3 [m] from the center of the rotating platform. Due to the rotation, his speed is increased from rest by upsilon = 0.4 [m/s^2]. If the coefficient of static friction between him and the platform is mu_s = 0.3, determine the time required for him to slip.