A uniform meter stick is pivoted to rotate about a horizontal axis through the 25-cm mark on the stick. The stick is released from rest in a horizontal position. The rotational inertia of a uniform rod about an axis perpendicular to the rod and through the center of mass of the rod is given by (1/12)ML2. Determine the magnitude of the initial angular acceleration of the stick.

A. 17 rad/s2
B. 13 rad/s2
C. 15 rad/s2
D. 19 rad/s2
E. 23 rad/s2


Answer: A

Physics & Space Science

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