A Ventilation Fan Has Blades 0

question 77

Multiple Choice

A ventilation fan has blades 0.25 m long rotating at 20 rpm.What is the centripetal acceleration of a point on the outer tip of a blade?

• A)1.1 m/s²
• B)0.87 m/s²
• C)0.55 m/s²
• D)0.23 m/s²

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