Object rotating at 165 RPM, How long does it take for four revolutions. Could you show me the formula, Thanks

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- Apr 28th 2012, 01:13 PM #1

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- Apr 28th 2012, 02:02 PM #2

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## Re: Need help with RPM question

If an object rotates five times a minute, how long does one rotation take? Two rotations? 4 rotations? n rotations?

If an object rotates 165 times a minute, how long does one rotation take? Two rotations? 4 rotations? n rotations?