A Fan Is Turned Off, and Its Angular Speed Decreases

question 5

Multiple Choice

A fan is turned off, and its angular speed decreases from 10.0 rad/s to 6.3 rad/s in 5.0 s. What is the magnitude of the angular acceleration of the fan?

• A) 086 rad/s²
• B) 0.74 rad/s²
• C) 0.37 rad/s²
• D) 11.6 rad/s²
• E) 1.16 rad/s²

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