A block of mass m = 1.14 kg is suspended above the ground at a height h = 16.0 m by a spool with two arms. The spool-with- arms arrangement is a combination of a solid uniform cylinder of mass M = 3.79 kg and radius R = 0.260 m, and two rods, each of length l = 0.296 m and mass mrod = 0.310 kg. The system is released from rest.
a) How fast will the block be moving just before it hits the ground? Answer in units of m/s.
b) What was in m/s2 the acceleration of the mass m then?
c) What was then, in N . m, the net torque on the cylinder?
d) What was in N the magnitude of the tension on the string?