A Uniform Meter Stick Is Pivoted to Rotate About a Horizontal

question 79

Multiple Choice

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 moment of 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

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