A Pencil That Is 15

question 59

Multiple Choice

A pencil that is 15.7 cm long is released from a vertical position with the eraser end resting on a table.The eraser does not slip as it tips over.Treat the pencil like a uniform rod.What is the angular speed of the pencil just before it hits the table?

• A)13.7 rad/s
• B)7.23 rad/s
• C)3.70 rad/s
• D)24.5 rad/s
• E)16.8 rad/s

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Definitions:

Fixed Costs

Expenses that remain constant regardless of production or sales volume, including rent, salaries, and insurance costs.

Total Cost

The complete amount of money required to purchase, produce, execute, or maintain something, including all related expenses and charges.

Contribution Margin

The selling price per unit minus the variable cost per unit, reflecting the amount contributing to covering fixed costs.

Variable Cost

Costs that vary directly with the level of production or with the volume of services provided.