An Atwood machine consists of two masses, mA = 6.7 kg and mB = 8.5 kg , connected by a cord that passes over a pulley free to rotate about a fixed axis. The pulley is a solid cylinder of radius R0 = 0.40 m and mass 0.70 kg

Determine the magnitude of the acceleration a of each mass.

What percentage of error in a would be made if the moment of inertia of the pulley were ignored? Ignore friction in the pulley bearings.