The man has mass M and sits a distance d from the center of the rotating platform. Due to the rotation his speed is increased from rest by the rate v'. If the coefficient of static friction between his clothes and the platform is μ_s, determine the time required to cause him to slip.

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Given: M = 80 kg d = 3 m v' = 0.4 m 2 S Ms = 0.3 D = 10 m g 9.81 m 2 S