Compute how long does it take to reach the floor

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Reference no: EM13489945

A mass of 20 kg is attached to a light string which is wrapped around a cylindrical spool of radius 10 cm and moment of inertia 2 kg.m^2. The spool is suspended from the ceiling, and the mass is then released from rest a distance 5 m above the floor. How long does it take to reach the floor.

Reference no: EM13489945

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