A Ceiling Fan Is Turned on and Reaches an Angular

question 55

Multiple Choice

A ceiling fan is turned on and reaches an angular speed of 120 rev/min in 20 s.It is then turned off and coasts to a stop in an additional 60 s.The ratio of the average angular acceleration for the first 20 s to that for the last 60 s is which of the following?

• A) 3
• B) -3
• C) 0.3
• D) -0.3

---

Definitions:

Academy Award

Prestigious annual awards presented by the Academy of Motion Picture Arts and Sciences, recognizing excellence in cinematic achievements in the film industry.

Bombing Raids

Military attacks that deploy aircraft to drop bombs over enemy territory, often targeting military installations, industrial sites, or civilian areas.

Food Rationing

The controlled distribution of scarce resources, goods, or services, often implemented during shortages, war, or famine to ensure equitable distribution.

Morally Ambiguous

Pertaining to characters or situations that are not clearly delineated as right or wrong, challenging traditional moral perceptions.