The assembly consists of a disk of mass m_D and a bar of mass m_b which is pin connected to the disk. If the system is released from rest, determine the angular acceleration of the disk. The coefficients of static and kinetic friction between the disk and the inclined plane are μ_s and μ_k respectively. Neglect friction at B. Solve if the bar is removed.

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Given: mp 8 kg = mp = 0 kg Hs = 0.15 Mk = 0.1 L = 1 m r = 0.3 m 8 = 30 deg 09 g 9.81 m 2 S