A Ceiling Fan Is Turned on and Reaches an Angular

question 57

Multiple Choice

A ceiling fan is turned on and reaches an angular speed of 60 rev/min in 20 s.It is then turned off and coasts to a stop in 40 s.In the one minute of rotation,through how many revolutions did the fan turn?

• A) 30
• B) 60
• C) 0
• D) 600

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Definitions:

Proactive Interference

The phenomenon where old memories inhibit the capacity to remember new information.

Retrieval Cues

Stimuli or prompts that aid the recall of information stored in memory.

Serial Position Effects

A memory-related phenomenon where people tend to recall the first and last items in a series better than the middle items.

Sensory Memories

The shortest-term element of memory, allowing the retention of impressions of sensory information after the original stimuli have ended.