How long does it take to reach the floor

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A mass of 35.3kg is attached to a light string that is wrapped around a cylindrical spool of radius 10cm and moment of inertia 4.00 kg*m^2. The spool is suspended from the ceiling, and the mass is then released from rest a distance 3.50m above the floor. How long does it take to reach the floor?

Reference no: EM13336877

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