See attached file.
The double pulley below has a moment of inertia of 50 kgm2 and is initially at rest. The outside radius is 500 mm and the inner radius is 250 mm.© BrainMass Inc. brainmass.com October 9, 2019, 4:42 pm ad1c9bdddf
Let us assume the angular acceleration of the pulley = alpha
Hence, the linear acceleration of the block a = alpha*ri
ri = 250 mm = 0.25 m
ro = 500 mm = 0.50 m
mass of the block m = 80 kg
moment of ...
This solution is provided in 175 words. It uses step-by-step equations to solve for angular acceleration and velocity.