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An electric fan has blades of length 30c...

An electric fan has blades of length 30cm 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

A

`1600 cm/s^2`

B

`4740 cm/s^2`

C

` 2370 cm/s^2`

D

`5055cm/s^2`

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