Motion in A Plane

Question: An electric fan has blades of length 30 cm as measured from the axis of rotation. If the fan is rotating at 1200 r.p.m. The acceleration of a point on the tip of the blade is about

1) 1600 \[m/{\sec ^2}\]

2) 4740 \[m/{\sec ^2}\]

3) 2370 \[m/{\sec ^2}\]

4) 5055 \[m/{\sec ^2}\]

Solution:

Explanation: Explanation

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