A Rod of Length L Is Hinged at One End

question 47

Multiple Choice

A rod of length L is hinged at one end.The moment of inertia as the rod rotates around that hinge is ML²/3.Suppose a 2.50 m rod with a mass of 3.00 kg is hinged at one end and is held in a horizontal position.The rod is released as the free end is allowed to fall.What is the angular acceleration as it is released?

• A) 3.70 rad/s²
• B) 7.35 rad/s²
• C) 5.88 rad/s²
• D) 4.90 rad/s²

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