The arm and seat of the amusement-park ride have a mass of 1.5 Mg, with the center of ma...

The arm and seat of the amusement-park ride have a mass of 1.5 Mg, with the center of mass located at point G₁. The passenger seated at A has a mass of 125 kg, with the center of mass located at G₂ If the arm is raised to a position where θ = 150° and released from rest, determine the speed of the passenger at the instant θ = 0°. The arm has a radius of gyration of k_G1 = 12 m about its center of mass G₁. Neglect the size of the passenger.