An electric fan has blades of length 30 ...

An electric fan has blades of length `30 cm` as measured from the axis of rotation. If the fan is rotating at `1200` rpm, find the acceleration of a point on the tip of a blade.

`1600 ms ^(-2)`

`4740 ms ^(-2)`

`2370 ms ^(-2)`

`5055 ms ^(-2)`

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