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:

Electricity

A form of energy resulting from the existence of charged particles such as electrons or protons, either statically as an accumulation of charge or dynamically as a current.

Producer Surplus

The difference between the amount producers are willing to sell a good for and the actual amount they receive, usually represented graphically as the area above the supply curve and below the market price.

Consumer Surplus

The differential between the amount envisioned by consumers to pay for a good or service and the actual amount paid.

Perfectly Competitive

A market structure characterized by many buyers and sellers, free entry and exit, and a homogeneous product.