8) As shown in figure, a thin uniform rod AB of mass M-10 kg and length...

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8) As shown in figure, a thin uniform rod AB of mass M-10 kg and length L-120 cm is hinged at end A to the flat floor. It initially stands vertically. If it is allowed to fall to the floor as shown in figure, with what angular speed will it strike the floor? Note: (g=10m/s) (ICM-ML2/12) (7p) A)10 rad/s B) 1 rad/s C) 20 rad/s D) 2 rad/s E) 5 rad/s 8) As shown in figure, a thin uniform rod AB of mass M-10 kg and length L-120 cm is hinged at end A to the flat floor. It initially stands vertically. If it is allowed to fall to the floor as shown in figure, with what angular speed will it strike the floor? Note: (g=10m/s) (ICM-ML2/12) (7p) A)10 rad/s B) 1 rad/s C) 20 rad/s D) 2 rad/s E) 5 rad/s