The system in Figure is released from rest. The 30-kg

The system in Figure is released from rest. The 30-kg

The system in Figure is released from rest. The 30-kg block is 2 m above the ledge. The pulley is a uniform disk with a radius of 10 cm and mass of 5 kg. Find
(a) The speed of the 30-kg block just before it hits the ledge,
(b) The angular speed of the pulley at that time,
(c) The tensions in the strings, and
(d) The time it takes for the 30-kg block to reach the ledge. Assume that the string does not slip on thepulley.

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