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The diameter of a flywheel is 1.2 m and ...

The diameter of a flywheel is 1.2 m and it makes 900 revolutions per minute. Calculate the acceleration at a point on its rim

A

` 540 pi^2 m/s^2`

B

` 270 m/s^2`

C

`360 pi^2 m/s^2`

D

` 540 m/s^2`

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