In the figure,a mass of 31.77 kg is attached to a light string that is wrapped around a cylindrical spool of radius 10.0 cm and moment of inertia 4.00 kg · m².The spool is suspended from the ceiling,and the mass is then released from rest a distance 5.70 m above the floor.How long does it take to reach the floor? A)3.98 s B)3.83 s C)1.14 s D)5.59 s E)7.89 s

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The Answer of In the figure,a mass of 31.77 kg is attached to a light string that is wrapped around a cylindrical spool of radius 10.0 cm and moment of inertia 4.00 kg · m².The spool is suspended from the ceiling,and the mass is then released from rest a distance 5.70 m above the floor.How long does it take to reach the floor? A)3.98 s B)3.83 s C)1.14 s D)5.59 s E)7.89 s

In the Figure,a Mass of 31