A Rod of Length L Is Hinged at One End

question 62

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 2.00-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)2.45 rad/s²
• D)4.90 rad/s²

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Definitions:

Defense Mechanism

A means used by the ego to defend against anxiety and to maintain self-esteem.

Metaphor

A figure of speech in which a word or phrase is applied to an object or action to which it is not literally applicable, suggesting a similarity.

Devil

A supernatural entity, often regarded as the chief antagonist of good in various religions and mythologies.

Id

The part of the mind in psychoanalytic theory responsible for instinctual impulses and demands for immediate satisfaction.