Question: A 4-kg block resting on a frictionless horizontal ledge is attached to a string that passes over a pulley and is attached to a hanging

A 4-kg block resting on a frictionless horizontal ledge is attached to a string that passes over a pulley and is attached to a hanging 2-kg block (Figure). The pulley is a uniform disk of radius 8 cm and mass 0.6 kg.

(a) Find the speed of the 2-kg block after it falls from rest a distance of 2.5 m.

(b) What is the angular velocity of the pulley at this time?

Akg 2kg

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