A Pencil That Is 15

question 8

Multiple Choice

A pencil that is 15.7 cm Iong 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) 3.70 rad/s
• B) 13.7 rad/s
• C) 24.5 rad/s
• D) 7.23 rad/s
• E) 16.8 rad/s

---

Definitions:

Decreased appetite

A reduction in the desire to eat, affecting nutritional intake and energy levels.

Anxiety, irritability

Psychological states characterized by feelings of tension, worry, and often, a propensity to become easily agitated or frustrated.

NREM sleep

Non-Rapid Eye Movement sleep, a restorative sleep phase characterized by slower brain waves, reduced heart rate, and a lack of dreams.

Body tissue restoration

The medical or biological process of repairing and regenerating damaged tissues in the body, aiming to restore normal function.