A Ceiling Fan Is Turned on and Reaches an Angular

question 83

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 40 s.The ratio of the average angular acceleration for the first 20 s to that for the last 40 s is which of the following?

• A) 2
• B) 0.5
• C) −0.5
• D) −2

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Definitions:

Standard Precautions

A set of infection control practices used to prevent transmission of diseases that can be acquired by contact with blood, body fluids, non-intact skin (including rashes), and mucous membranes.

Peripheral Intravenous Catheter

A specific type of intravenous catheter placed in a peripheral vein, commonly used for short-term intravenous therapies.

Eating Utensil

Tools used during eating, such as forks, knives, and spoons, designed to aid in the process of consuming food.

Bleach Solution

A diluted mixture of water and bleach commonly used for disinfection and cleaning purposes.