Cylinder A in Figure P13–55 has a diameter of 0.6 m and a mass of 260 kg. Assume that there is no slippage of A and that mass B is released from rest; determine (a) the tension in the rope and (b) the...

Cylinder A in Figure P13–55 has a diameter of 0.6 m and a mass of 260 kg. Assume that there is no slippage of A and that mass B is released from rest; determine (a) the tension in the rope and (b) the distance that B will drop in 20 seconds. (Neglect the mass and inertia of the rope and pulley.)