Solve the below problem:
Q: A uniform rod AB, of mass 4 kg and length L = 1.5 m, is released from rest in the position shown. Knowing that ß = 20°, determine the values immediately after release of
(a) The angular acceleration of the rod,
(b) The acceleration of end A,
(c) The reaction at A. Neglect the mass and friction of the roller at A.